Review Dell Latitude E6420 Laptop I5 25ghz - 8gb - 250gb - Windows 10
Review Dell Latitude E6420 Notebook
Ever Popular. Although it has practically died out in the consumer notebook sector, the compact 14" format is withal i of the most popular styles of business notebooks. The Dell Breadth E6420 has some large shoes to fill in taking the reins from its successful predecessor, the E6410. Is it a credit to the Latitude series or does it bring shame to Dell?
Our teaser article most Dell'south new concern line-upward from a few weeks ago stirred up an unusually high level of controversy in our forums. Amongst the subjects of clashing opinions was the completely new case design. While some saw this as putting a friendlier face up on the notebook, others argued the notebook blueprint has lost all semblance of professionalism. But whatsoever your opinion may exist, i thing'south for sure: the abrupt, rigid design of the previous generation is no more! Now, the E6420 rather resembles the new XPS models.
Taking a wait at the contest, Lenovo's new Thinkpad T420 remains loyal to its predecessor, the T410—the design shows just minor modifications. HP, meanwhile, presents us with the consummate opposite of Dell's design in the form of their new Elitebooks. Its top-model, the HP Elitebook 8460p, brings back the retro, "boxy" mode which is likewise sure to evoke some strong feelings 1 mode or the other.
Technically speaking, all notebooks are very similar. All try to impress with their sophisticated security mechanisms, a wide range of utilize and, of class, the combination of loftier operation and long battery life.
These volition be—among others—the primary criteria for the post-obit review since you can argue virtually which design is better until the cows come habitation.
Like the design or not, this laptop is 1 of the sturdiest looking Latitudes of the series in recent years. The adept choice of materials used in amalgam the case of the Latitude E6420 are to thank for this. We scanned the surfaces, looking for plastic but found it only effectually the keyboard and the screen bezel. The other surfaces consist of an aluminum-magnesium blend. Dell calls this composition Tri-Metal and refers multiple times to its adherence to various—admitting not very convincing—military standards.
The base unit of measurement is unbelievably warp-resistant cheers to the sturdy magnesium frame that tightly cradles all the hardware within. Different many of its competitors, Dell proudly displays a bit of this magnesium frame peeking out of the notebook along the side edges. The base plate and case surface effectually the keyboard are joined to this frame and attached to it with screws: "Unibody Light" if you will.
Our attempts to dent the surface had no issue any. This includes the display lid that won't budge even a millimeter nether pressure. According to Dell, the display chapeau hinges are composed of tough steel, which is however not visible on the surface—equally is the case with Lenovo Thinkpads—but is rather covered up a past a layer of magnesium. The brandish lid takes a scrap of endeavor to tilt back but barely bobs back and forth after being adjusted. Similar HP, Dell is stepping away from the approach of sticking individual safety pads along the display to soften closing. Instead, they've gone with a long rubber strip encompassing the entire screen, which should serve to protect the screen and keyboard from dust particles getting in when the laptop'due south closed. A single claw clasps the display shut.
Repairing or switching out hardware is quite like shooting fish in a barrel. The hard drive is secured by four screws, later removing which it tin slide out from the case sideways. The balance of the hardware can be accessed past removing a cover along the bottom of the base unit which is attached with a few more screws. The fans and heat sinks, the processor, retentivity, PCI module and the CMOS battery are all gear up to be tinkered with one time the cover is off.
Taking another await at the contest (Lenovo T420, HP 8460p), nosotros run across that the other contenders for your money as well counterbalance a similar corporeality. The standard model of Lenovo'due south T420 weighs in at 2.24kg, that is, with a 6-cell battery included. HP's model with the smallest possible iii-jail cell battery comes to two.07kg, the same as the Dell E6420 with a 4-jail cell battery. The particular configuration nosotros reviewed included a ix-cell battery (97Wh), bringing the yard total up to 2.620 Kg. In terms of instance dimensions, E6420 is the widest at 352 mm. The Lenovo T420 is 12 mm less broad and the HP 8640p 14 mm. The same is true for case depth: the front of the E6420 juts out nigh 10 mm when placed side-by-side with its rivals. The Lenovo T420 is the thinnest of the three at 30mm when airtight (E6420 and 8460p both 32mm - all figures based on info from the manufacturers).
At present we get to the selection and placement of ports on the E6420. Particularly the placement of the ports jumps out at you when you first wait at the laptop, which are found around the back corners. On the left side toward the front, we notice the Smartcard Slot followed past an frazzle vent, a combination headphone/microphone jack, a VGA port and a USB 2.0 Port. Around the corner at the back, nosotros go along with an RJ45 Ethernet port and the power connector.
At the right toward the front end, we have a 45mm Expresscard slot and underneath information technology the DVD drive. Afterward that come two USB two.0 ports and a combined USB/eSATA port. At the back toward the right we find an HDMI port and a Kensington Lock slot. Along the front we as well find an SD card reader.
It's disappointing that no USB 3.0 port is on board. Of course, the eSATA port offers faster transfer rates than USB 2.0, useful for transferring large files like when backing up information onto an external hard drive. Still, the eSATA port isn't used for many devices and doesn't seem to have much of a future to information technology. Newer external hard drives are USB 3.0 compatible, with eSATA slowly disappearing from the market. The optional USB 3.0 offered in place of the DVD bulldoze doesn't sound like a great merchandise-off because one: you'd miss out on the DVD bulldoze and ii: you withal have to pay more than for the USB 3.0 adapter (verbal cost not available). We see, however, that HP wisely chose to include 2 USB 3.0 Ports (+eSATA) in its 8460p, while Lenovo—like Dell—has gone downwardly the eSATA route for the T420.
Another important feature would be the choice of video output—HDMI ane.3 (according to Dell). Hopes of using multi-monitor setups (+2x24" FHD via DualHead2Go) or high-resolution 30-inch (2560x1600) screens become down the drain, the just option being 180 Euro more for the appropriate docking solution. HP and Lenovo, however have the correct thought in this regard, both the 8460p and T420 accept a Displayport.
On the other mitt, the placement of ports is excellent. Fifty-fifty without a docking station, the Latitude E6420 tin can be hooked up to numerous devices at one time without cluttering up the surrounding workspace with cables. Speaking of docking stations: the E6420 can be hooked upward to existing docking stations including: East-Legacy Extender, East-Port and E-Port Plus—if in dubiousness, speak with someone at Dell.
Net and Bluetooth
As is typical of Dell, the Breadth E6420 with a wide array of options for connecting to the internet. At the footing floor there's, of course, a gigabit Ethernet port (Intel 82578LM). You besides take your pick of a Wifi carte du jour from Intel (b/g/n) or from Dell bzw. a/g/n). The Latitude E6420 can too be equipped with a UMTS/HSPA module on request. The spot for the SIM card is constitute in the same slot as the battery, the antenna line for which was already ready-to-employ when we got our review model. With the appropriate module, this likewise can be upgraded later on downward the line. Bluetooth 3.0 is optional, equally is a built-in 56k-modem (V.92), which might come in handy if you're traveling through rural or otherwise remote areas on a business trip, for instance.
Security
Business organization professionals know that security cannot be overlooked when choosing a laptop. To limit admission to the laptop, the Latitude E6420 comes with a smart bill of fare reader (contactless reader too bachelor). You can even request a fingerprint scanner (FIPS standard bachelor).
It'due south also possible to install anti-theft software to track the laptop if stolen or remotely delete sensitive information. Note: you must opt into such service Earlier the act of theft and there are unremarkably regularly scheduled payments associated with such services.
Warranty
Since we're dealing with a premium business laptop hither, Dell gives you your coin's worth past throwing in a standard three-yr on-site service warranty with adjacent-business organisation-twenty-four hours repair. This minimizes the corporeality of time the laptop has to exist out of commission in example of a defect so that you won't exist delayed much in your work. If this level of service doesn't cutting information technology, y'all can e'er upgrade to Dell ProSupport (+145 Euro) which tacks on around-the-clock technical support over the phone including questions concerning software developed by third parties.
For the aggressive or perpetually clumsy at that place's boosted coverage for damage inflicted past fluids spilled onto the laptop, power surges, dropping the laptop down long flights of stairs, etc. This coverage volition run you an boosted 150 Euro without theft protection or 240 Euro with theft protection for three years (excluding VAT).
Keyboard
With the change in case design comes a new keyboard layout to get used to. Amid the changes is the box of special role buttons at the top right corner, including the buttons "insert", "delete", and so along. These buttons are now arranged in a unmarried row in which the individual buttons are bit more bunched together than before. Also, the "page upward" and "page down" buttons accept made their fashion downward to simply above the arrow keys. Although information technology might take some getting used to, the new layout doesn't bring many restrictions with it—although the keys are definitely bunched together more.
Typing on this keyboard is quite comfy. Keystrokes are firm, requiring a off-white corporeality of pressure before they plop down, which gives them a very like shooting fish in a barrel-to-experience pressure point. Fifty-fifty when jabbing away at the keys, the noise they brand remains subtle and tolerable. A slap-up feature is the keyboard backlight, which costs an additional twoscore Euro merely makes for easy-to-recognize keys no matter the lighting situation around you (convenient on the train, motorcoach, plane, etc.). Naturally, this includes a water-resistant keyboard cover.
Trackpoint/Touchpad
For moving the cursor beyond the screen, Dell provides usa with two options hither: trackpoint (aka pointstick) and touchpad. A few things have changed hither from the previous model. The color of the keys has changed equally well as the fact that the safe circle of the pointstick is no longer completely black. The trackpoint works incredibly well. The trackpoint on the Thinkpad T420 reacted very similarly in side-past-side testing. Only the shape of the trackpoint on the Thinkpad is (in our stance) meliorate.
The multi-touch pad measures a conveniently large 8x4.5 cm and has a nice, smooth surface. The multi-touch functions tin can be configured to your personal preferences via pre-installed software. The touchpad buttons are just equally comfortable to apply, having just the correct depression depth and clicking almost silently.
The Dell Latitude E6420 comes with ane of iii types of 14" displays, that is, the screen measures 36 cm diagonally. On Dell's website, the starter configuration with an LED screen has an HD resolution of 1366x768 pixels. This model can be upgraded to respond to multi-touch gestures for an extra seventy Euro. For users who'd similar to take more windows open at once, there'southward likewise an Hard disk+ screen available with a resolution of 1600x900 pixels (+40 Euro). This was the screen in our test model and is worth the extra price in our opinion
Just by looking at information technology, yous tin tell that this brandish shines very bright. This is confirmed by our measurement of a maximum of 320 cd/m² at the center of the screen and is quite high for a laptop of its class. The boilerplate screen brightness is somewhat lower at 277 cd/m², the driblet existence owing by and large to the dimmer corners of the screen. The brightness distribution comes to an okay 79.7%. Nevertheless, because of the overall very vivid screen, differences in illumination cannot exist detected with the naked center.
The Lenovo Thinkpad T420 with an Hard disk drive+ display shines a bit dimmer (max. 223 cd/chiliad²) but has amend flick contrast (162:1)—review coming soon.
Before long we'll also have a review of the lower-resolution Hard disk display version (1366x768) of the E6420. Likewise coming soon is a review of the less expensive Latitude E5420, likewise a 14" concern notebook with an Hard disk drive brandish. Near likely the aforementioned display is in place in the E5420 equally comes standard for the E6420 series.
| 278 cd/m² | 263 cd/m² | 255 cd/m² | ||
| 280 cd/1000² | 320 cd/g² | 279 cd/one thousand² | ||
| 269 cd/m² | 291 cd/m² | 264 cd/m² | ||
Distribution of effulgence
SEC544B
Gossen Mavo-Monitor
Maximum: 320 cd/m² (Nits) Boilerplate: 277.vii cd/grand²
Brightness Distribution: fourscore %
Center on Battery: 320 cd/m²
Contrast: 127:i (Blackness: 2.52 cd/m²)36.68% AdobeRGB 1998 (Argyll two.2.0 3D)
52.1% sRGB (Argyll 2.2.0 3D)
35.38% Brandish P3 (Argyll ii.2.0 3D)
So how good does the picture expect on this screen? Blacks appear not very saturated and the picture show has a sort of common cold color tone, that is, more than of a bluish tone. Measuring the blackness level, nosotros get an undesirably high 2.52 cd/m². Therefore, despite its high level of effulgence, the screen just manages to reach a low dissimilarity ratio of 127:1 (max. brightness, centre screen).
As far as the colour infinite goes (spectrum of colors that can be displayed), Dell isn't serving up any delicacy, rather just the usual. neither Adobe RGB nor sRGB are covered. The WXGA+ display from the preceding model, the E6410, is but nigh on par with this. It'due south the same story with the HD+ screen in the Lenovo Thinkpad T420. Compared to the Apple MacBook Pro 13 or the Dell XPS 15, the much narrower variety of colors that can exist displayed on this screen is like shooting fish in a barrel to encounter.
Every bit far equally using the Latitude E6420 on the go, the display remains fairly readable regardless of your surroundings. The matte screen surface prevents reflections from overshadowing the picture and combined with the high brightness, it makes for always discernible screen contents, even in direct sunlight.
The last thing nosotros examination for regarding the display was the range of viewing angles. The picture remains undistorted at fairly big angles looking from the left or right. At that place's much less jerk room when it comes to tilting the screen dorsum and along, even so. The screen contents remain easily readable for a while when tilting the screen downward, but tilting it up by the ideal viewing angle quickly results in an overexposed-looking moving-picture show and later like a negative of the actual picture. During the review, we oftentimes had to accommodate the tilt in social club to be able to see the screen clearly.
The reason fourteen" business notebooks are so popular is probably the balance betwixt portability and performance. Whereas 12" and 13" laptops are normally restricted in their hardware, 14" laptops tin usually be equipped with standard processors and fifty-fifty dedicated graphics cards. Which brings us to the configurations available for this notebook: ranging from the weakest and least expensive Intel Core i3-2310M CPU all the way up to the i7-2720QM quad-core CPU, Dell makes the unabridged Sandy Span line of processors bachelor for the Latitude E6420.
The case has two RAM chip slots that can address a maximum of 8GB. Price: having the best hardware in place tin run you an extra 194 Euro depending on the basic configuration yous become regarding other features (e.g. display).
System Properties Dell Breadth E6420
There's also a lot of selection when it comes to the graphics bill of fare. With the basic configuration, the CPU comes with an integrated Intel Hd Graphics 3000 graphics carte. This configuration should suffice for typical office work. With higher demands regarding 3D graphics or special software, you lot tin definitely benefit from the power of a dedicated graphics carte like the optional Nvidia NVS 4200M graphics carte du jour (Optimus). Dell's online shop makes things a flake disruptive here: the NVS 4200M supposedly comes in two version, ane listed as "35W" and another at the aforementioned price listed equally "512MB (45W)". Speaking over the telephone with a Dell representative, nosotros were told this was a mistake and that simply the "35W" NVS is available for the E6420. This was the version of graphics card in the laptop we reviewed, but the Nvidia settings identified it however as having 512MB DDR3 video memory, which co-ordinate to Dell's website is only available in the "45W" version.
According to official Nvidia specifications, the NVS 4200M runs at a clock rate (speed) of up to 810 MHz, while the processor can supposedly reach as loftier every bit 1620 MHz. In the system properties menu of the model we reviewed, the clock rates were displayed every bit 740/1480 MHz. This seems to betoken that a watered-down version of the NVS 4200M was in place in the particular Dell Latitude E6420M model we reviewed. During our hardware stress test, we measured a GPU temperature of upwards to 99°C, which seems to high for the 45W version of the NVS 4200M running at its maximum clock rate (and this seems to become along with what the Dell representative told u.s. over the phone nigh in that location not being a 45W version available for the E6420).
You can find more than details almost the Nvidia NVS 4200M in our Comparing of Mobile Graphics Cards.
System Performance
Our in-review configuration consists of the Intel Cadre i3-2310M, the smallest of the bachelor Sandy Span CPUs, paired with the Nvidia NVS 4200M ("35W"). The CPU functioning really could have been better. According to measurements in previous reviews, switching from a i3-2310M CPU to a 2630QM CPU—all other hardware remaining the same—results in a jump of about 45% in the overall score in the PCMark Vantage (64 scrap) benchmark. In terms of price-to-performance ratio, the i5-2410M und i5-2520M give you the most bang for your buck.
Our Dell Latitude E6420 managed an overall score of 5534 points, tested in the "loftier performance" contour. This lands the notebook an average spot in our database, placing it on par with the Lenovo T410 (620M/NVS 3100M) and the Acer Travelmate 8472TG (350M/GT330M). When equipped with an i7-CPU, the Breadth E6420's score shoots upward to 8000 points in PCMark Vantage. For a huge boost in application performance, choosing a Solid Land Drives (SSD) could exist a great determination, which should hands break the 10,000 indicate barrier in PCMark Vantage. The best example of this is the Thinkpad T410s (580M/NVS 3100M), which boasted an impressive 10926 points when equipped with a solid state bulldoze.
Speaking of performance, nosotros were curious to endeavor out a certain new option in Dell's Command Point software called "Ultra Performance", which claims to "reduce CPU throttling" while raising the fan speed. We weren't really able to measure out the effect very well, however, considering test results were not significantly different nether the "Ultra Performance" profile and since the Intel Cadre i3-2310M CPU does non have the Turbo Boost function.
| PCMark Vantage Result | 5534 points | |
| Help | ||
5.6
Windows 7 Feel Index
Processor
Calculations per second
6.4
Retentivity (RAM)
Memory operations per second
5.nine
Graphics
Desktop performance for Windows Aero
five.six
Gaming graphics
3D business and gaming graphics
half-dozen.iv
Primary hard disk
Disk data transfer rate
five.9
CPU Performance
It'due south already well known what the Intel Core i3-2310M is capable of. At a base of operations clock rate of 2100 MHz, the chip lacks the appealing Turbo Boos feature of its i5 and i7 cousins, but thanks to Hyper-Threading can yet simulate ii virtual cores in addition to its two real cores, thereby making multicore-optimized applications run a good bargain faster. The CPU's functioning is alike to older peak-of-the-line Penryn processors (P9600) and in some ways can even outdo some of AMD's currently nearly powerful processors (N640, N660).
The results of the Cinebench Rendering benchmarks are equally to be expected for the CPU. If the software yous're using requires meliorate CPU performance, it's best to consider an i5 or i7 CPU instead: CPU-intensive software (circuitous calculations, virtual machines, etc.).
Cinebench R10 Rendering Single 32Bit
2760
Cinebench R10 Rendering Multiple CPUs 32Bit
6193
Cinebench R10 Shading 32Bit
4836
Cinebench R10 Rendering Single CPUs 64Bit
3399 Points
Cinebench R10 Rendering Multiple CPUs 64Bit
7466 Points
Cinebench R10 Shading 64Bit
4471 Points
Cinebench R11.5 OpenGL 64Bit
xv.57 fps
Cinebench R11.5 CPU Multi 64Bit
2.03 Points
Assistance
GPU Performance
We'll stick with the Cinebench benchmarks, which in addition to the CPU Rendering examination too has an OpenGL operation exam for checking the performance of the graphics menu in place here. In the Cinebench R10 64bit Shading exam, our laptop managed 4471 points. Scores in this range are quite popular in our database, comparable GPUs being the ATI Mobility Radeon HD 5650 and the Nvidia NVS 3100M (Thinkpad T510 – 4563 points and T410s with 4445 points).
The Nvidia NVS 4200M doesn't quite stand for a phenomenon on the CAD front end, which is confirmed by the SPEC Viewperf 11 criterion. Near every resulting value placed the GPU beneath boilerplate, merely alee of the NVS 3100M. Quadro FX or FirePro graphics can run laps around the NVS 4200M.
The performance bank check wouldn't be complete without the 3DMark score. At 4601 points in the 3DM 2006 Test (1280x1024), the GPU here is on par with the Geforce 320M and the GT 130M. Interestingly enough, our database shows that even Intel's on-board HD Graphics 3000 sometimes approaches the 4000 point marker, depending on the hardware configuration at hand.
| 3DMark 05 Standard | 9189 points | |
| 3DMark 06 Standard Score | 4601 points | |
| 3DMark Vantage P Result | 2231 points | |
| Help | ||
Transfer Rate Minimum: 37.ix MB/s
Transfer Rate Maximum: 103.2 MB/s
Transfer Charge per unit Average: 79.six MB/due south
Sequential Read: 83.ane MB/southward
Sequential Write: 78.iv MB/s
Difficult Drive Performance
For a business notebook similar the Breadth E6420, there are naturally lots of options available regarding the hard drive. On Dell's website, they advertise conventional HDDs with rotational speeds of 5400 RPM and 7200 RPM as well as solid state drives (SSDs) with a capacity of upwardly to 256GB. In terms of performance, there's no question that an SSD is the all-time way to go, simply these come at a high cost. Dell lists the 128GB SSD every bit costing 330 Euro extra, while the 256GB SSD will run you lot an additional 650 Euro on top of the starting price in Dell's online store. The item model of SSD is not mentioned on the website, which is cause for business organisation since SSDs can differ quite considerably in their cost-to-operation ratios. The fastest SSDs, like the OCZ Vertex 3 (click here for review) and the Intel Elmcrest 510 serial price 500 Euro for a 240GB-250GB model. Keeping this in listen, the cost fix by Dell seems exorbitant and swapping out the hard bulldoze yourself might be the all-time pick.
The Seagate ST9250410AS in our test laptop has a chapters of 250GB and a rotational speed of 7200 RPM. Its functioning in our benchmarks comes as no surprise, but its hum remained constantly aural and the read caput seemed to be making some loud noises when retrieving information.
Old-school businessmen might milk shake their heads at the following few paragraphs, but nosotros still want to meet how the Nvidia NVS 4200M graphics menu tin handle some newer video games. Our expectations are by no means loftier, but after a difficult day'due south piece of work, tin can you lot utilise this laptop to unwind by edifice upward a metropolis, racing through the mud or playing a game of football?
We played three games on the Dell Latitude E6420. Nosotros commencement tried out Anno 1404— which might be getting on in years but is still very nice—and it ran smoothly with depression graphics settings, which isn't the case with the resolution and graphics settings prepare to high. The verdict is, you have to make a compromise betwixt graphics and operation.
The same is true for the DirectX11-capable racer, Colin McRae Dirt 2. With the resolution and graphics settings set low enough, the game runs smoothly. Once again, setting the graphics settings high, similar turning on DirectX11, will but event in inclement video.
You lot don't accept to cede graphics quite as much with Fifa11. The very resource-efficient football archetype can even exist played in HD (1366x768) while retaining a polish plenty frame rate.
| low | med. | high | ultra | ||
| Anno 1404 (2009) | 100.7 | 12.9 | fps | ||
| Colin McRae: DIRT 2 (2009) | 43.two | 19.1 | fps | ||
| Fifa 11 (2010) | 108.6 | 74 | fps |
Arrangement Noise
Under calorie-free use, like when running elementary function programs, the Dell Breadth remains subtly in the background but even so always audible. A pocket-size portion of the noise is attributable to the 7200 RPM hard disk drive, the hum of which is piece of cake to hear. That's not all, though. Each fourth dimension the hard bulldoze retrieves a piece of data, you hear this clatter, which can be irritating within an otherwise repose surroundings. Every now and then, when under light apply, we heard the fans start to whir as it picks up speed and drives warm air out of the case.
Under heavy use, peculiarly using the 3DMark 2006 benchmark, we measured noise levels up to 39.half-dozen dB(A). In the stress test, that is, with CPU und GPU at 100% load, the noise rose to 42.nine dB(A). The "Ultra Performance" profile mentioned earlier pushes the racket level still higher to a maximum of 44.0 dB(A) during the stress test.
Noise Level
| Idle | 31.9 / 31.ix / 34.2 dB(A) | |
| HDD | 32.7 dB(A) | |
| DVD | 37.4 / dB(A) | |
| Load | 39.6 / 42.9 dB(A) | |
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| xxx dB 40 dB(A) 50 dB(A) | ||
| min: | ||
, med: 
, max: 
Temperature
Fifty-fifty after several hours of light office use, the surfaces of the Dell Latitude E6420 remain comfortable to the touch. Only in the worst case scenario with both the GPU and CPU running at full blast for more an hour does the temperature reach up to 37°C abreast the keyboard and 41°C on the bottom of the instance, which isn't incredibly hot. The hardware within does non stay quite as cool, all the same.
After an hour of the stress test (100% load on CPU and GPU), we measured 84°C for the CPU and a disquisitional 99°C for the graphics card. The GPU'southward cooling potential at this point also doesn't seem very high. Consider what would happen to a model of the Breadth E6420 equipped with one of the new i7 quad-core processors which take a Thermal Design Power (TDP) of 45W—10W more the dual-core CPUs. On top of that, due to a possible error in the description of the GPU, the online shop offers 45W TDP graphics bill of fare, how will the laptop be sufficiently cooled with such powerful hardware in place? Our particular model's configuration (i3-2310M / NVS 4200M – "35W") had already reached its limit regarding the graphics menu. The clock rates of the GPU and CPU remain steady throughout the stress test, however, with no throttling observed. This leads us to the determination that the CoreTemp tool must have misread the temperature.
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| Maximum: 37.vi °C = 100 F Average: 32.5 °C = 91 F | |||||||||||||||||||||||||
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| Maximum: 41 °C = 106 F Average: 35.2 °C = 95 F | |||||||||||||||||||||||||
Power Supply (max.) 49.7 °C = 121 F | Room Temperature 21.8 °C = 71 F | Raytek Raynger ST
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| Maximum: 27.iv °C = 81 F Boilerplate: 26.7 °C = 80 F | |||||||||||||||||||||||||
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| Maximum: 29.6 °C = 85 F Average: 28.3 °C = 83 F | |||||||||||||||||||||||||
Room Temperature 21.9 °C = 71 F | Raytek Raynger ST
(±) The average temperature for the upper side under maximal load is 32.5 °C / 91 F, compared to the average of 29.iv °C / 85 F for the devices in the form Office.
(+) The maximum temperature on the upper side is 37.6 °C / 100 F, compared to the average of 34 °C / 93 F, ranging from 21.2 to 62.5 °C for the form Part.
(±) The bottom heats up to a maximum of 41 °C / 106 F, compared to the average of 36.half dozen °C / 98 F
(+) In idle usage, the average temperature for the upper side is 26.7 °C / eighty F, compared to the device average of 29.4 °C / 85 F.
(+) The palmrests and touchpad are cooler than skin temperature with a maximum of 31.viii °C / 89.2 F and are therefore absurd to the touch on.
(-) The average temperature of the palmrest area of similar devices was 27.eight °C / 82 F (-iv °C / -vii.2 F).
Speakers
Nosotros were pleasantly surprised with the unmarried speaker in this laptop. Despite the Dell Latitude E6420 being equipped with only one speaker (see the picture with the bottom of the case open up), we were fairly satisfied with the resulting sound quality. No driver settings were found. There'southward notwithstanding the possibility of a electrical contact problem hiding an elusive 2nd speaker.
The sound quality of the one speaker was decent and could have made for skillful sound quality with the potential 2nd speaker working when you consider the expectations of a business laptop similar the Dell Latitude E6420.
Two factors are mainly responsible for the laptop'due south battery life: one is the capacity of the bombardment and the other is the ability consumption of the system under various levels of stress.
With the Dell Latitude E9240, you lot have a few choices when it comes to the bombardment: the smallest is a iv-cell battery with a 40Wh capacity, next a six-cell battery with a 60Wh capacity, a 9-prison cell battery with a 87Wh capacity and a 3-year warranty and finally a 9-cell battery with a 97Wh capacity—this was the battery in the model we reviewed. The actress 60 Euro (excl. VAT) for the 6-cell battery might exist something you'd like to consider for on-the-go use. Other than that, Dell mentions the option of a spare bombardment, likewise 97Wh, every bit well every bit a second battery (30Wh) in identify at the same fourth dimension as the starting time and taking the place of the DVD bulldoze. Depending on your needs and the amount of money yous take to spend, you lot're the boss!
Our model'due south 97Wh battery was subjected to the BatteryEater Reader Test: minimum screen brightness, deactivated wifi/bluetooth and the "Energy-Saver" contour activated (which is supposed to simulate the user reading a document on the screen). The issue was a high 741 minutes, that is, more than 12 hours. The OpenGL computation of the BatteryEater Archetype Exam simulates heavy use: maximum screen effulgence, wifi/bluetooth on and the "high performance" contour activated. Hither you can count on 165 minutes, a decent battery life.
While browsing the spider web (fair screen effulgence, "Energy-Saver" profile), the laptop huffed and puffed for about 530 minutes on battery ability. This means, you can become an entire workday on battery power out of this laptop if you keep in mind the screen brightness and energy-saving settings.
Battery Runtime
| Idle (without WLAN, min brightness) | 12h 21min | |
| WiFi Surfing | 8h 50min | |
| DVD | 4h 10min | |
| Load (maximum effulgence) | 2h 45min |
Besides the 9-prison cell battery (about half a kilogram) contributing to the long battery life, we also have the system's low energy consumption to give thanks. Especially during low-demand office work, the laptop has almost no toll on the electric nib. Eating upwardly only vii-13W of power makes the above-mentioned battery life values possible. Primarily responsible for this is the Nvidia Optimus graphics-card-switching technology, which automatically activates the on-board Hard disk Graphics 3000 and shuts off the NVS 4200M GPU under low system demands. The user meanwhile remains unaware.
Nether heavy use, the ability consumption rises to 49.3W during mixed CPU and GPU use (3DMark) and all the way up to 67.3W in the stress test (CPU and GPU at 100% load). The 90W power supply has no problem handling this.
It'south true that our excitement had already come up and gone past the fourth dimension our forums became the scene of a heated debate about the Latitude's new pattern. And even though minds volition continue to clash for years to come near which looks better, the new or the erstwhile, Dell has crafted a fine case in terms of workmanship, sturdiness and experience. The case design is harmonious (magnesium-aluminum) and has a first-charge per unit experience to it.
The placement of the ports is quite convenient, most ports relegated to the far corners of the example. The variety of ports on the E6420, all the same, still leaves some things to be desired: the combination headphone/microphone port is not uniform with most existing headsets (dissever connectors), a USB 3.0 adapter tin can optionally exist congenital in to supplant the DVD drive (or fastened via ExpressCard adapter). And for attaching an external monitor there'south only 1 way to go, HDMI.
To the likely frustration of current Latitude users, the keyboard layout has inverse, the keys a bit more bunched together. The feel of typing on the keyboard is splendid and the multi-touch pad works flawlessly.
The display in our exam model was the higher-resolution Hard disk+ version, which is useful for keeping multiple windows open on the screen at once. The bright, matte screen makes using the laptop outdoors possible, even in direct sunlight. On the downside, the poor picture contrast and few vertical viewing angles can be frustrating.
In terms of its functioning, the 14" office notebook leaves piffling to exist desired. CPUs equally powerful as Intel Sandy Bridge quad-core processors and the optional dedicated Nvidia NVS 4200M graphics card let for a wide spectrum of use. Conscientious though, the Latitude can't quite manage tougher CAD projects—the Precision series is meliorate for that.
The level of system dissonance and temperature nether light part utilize is acceptable. Nether heavy utilize, notwithstanding, the GPU can't quite stay cool. Still, this state of affairs won't arise during everyday office work, though.
One of the big strengths of the Dell Latitude E6420 is its potential battery life. With the nine-cell battery, it'southward possible to get a whole day's work done without ever having to charge upwardly the laptop—depending on the applications yous're using.
It all comes down to your individual needs and preferences whether the Latitude E6420 is right for you. The competition, in the form of the Lenovo Thinkpad T420 and HP'southward Elitebook 8460p, tin can give the Latitude a run for its money and their reviews will be up shortly.
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I am one of the founders of Notebookcheck, which I dedicated myself with after my studies at the Vienna Technical University were completed. Computers accept been an integral office of my daily activities since the time of the Commodore C64 and Atari 1040ST. Besides new technologies such as electric mobility and ecology engineering science, I am also interested in compages and construction engineering.
Specifications
Graphics adapter
NVIDIA NVS 4200M - 510 MB, Cadre: 740 MHz, Memory: 800 MHz, Forceware 266.96
Memory
4096 MB
, PC3-10700,2x2048MB, max. 8192MB
Display
14.00 inch 16:nine, 1600 x 900 pixel, SEC544B, LED TFT, glossy: no
Storage
Seagate Momentus 7200.iv ST9250410AS, 250 GB
, 7200 rpm
Connections
1 Limited Menu 54mm, 4 USB 2.0, optional USB 3.0 / 3.1 Gen1, 1 VGA, one HDMI, optional Modem, ane Kensington Lock, one eSata, Audio Connections: combination microphone/headphone jack, Carte Reader: SD Card Reader, one SmartCard, optional Fingerprint Reader
Networking
Intel 82579LM Gigabit Network Connection (ten/100/1000/2500/5000MBit/s), Intel Centrino Advanced-N 6205 (a/b/g/n = Wi-Fi iv), Bluetooth iii.0 optional, optional
Optical drive
TSSTcorp CDDVDW TS-U633J
Size
summit x width 10 depth (in mm): 32 10 352 ten 241 ( = 1.26 x 13.86 10 9.49 in)
Battery
97 Wh Lithium-Ion, 11.1V viii.55Ah
Operating Organization
Microsoft Windows 7 Professional 64 Bit
Additional features
36 Months Warranty
Weight
2.67 kg ( = 94.eighteen oz / 5.89 pounds), Ability Supply: 440 g ( = 15.52 oz / 0.97 pounds)
Devices with the aforementioned GPU and/or Screen Size
Devices with the same GPU
Devices with Same Screen Size and/or Weight
- Tips for buying a notebook - notebookCHECK Purchase Advisory
- Detect the correct notebook - notebookCHECK Hardware Guide
- Brandish resolution comparison - DPI (grain size) of displays
- Our examination criteria
- Manufacturer's information
Pros | |
| + | Incredibly Sturdy Instance |
| + | High-Quality Metallic Blueprint |
| + | Very Proficient Craftsmanship and First-class Feel |
| + | Conveniently Placed Ports |
| + | Many Options for Internet Access Available |
| + | Comprehensive Warranty |
| + | Comfortable Input Devices |
| + | Backlit Keyboard |
| + | Bright Display |
| + | Very Customizable |
| + | Long Battery Life Possible |
Cons | |
| - | No Displayport or USB3.0 Ports |
| - | Low Screen Contrast |
| - | Limited Vertical Viewing Angles |
| - | Loftier GPU Temperature Possible |
What we like
Although its await may be a matter of sense of taste, the sturdiness, craftsmanship and feel of the Breadth E6420's case are offset-charge per unit.
What we'd similar to see
USB 3.0 port and a Displayport. This would be a skillful mode to distinguish it from the less expensive E5420.
What surprises u.s.
The newly forged path Dell is taking with the design of their business concern notebooks. Dell makes 'em curvy, HP keeps the corners pointy and its the same old story with Lenovo.
The contest
Lenovo Thinkpad T420, HP Elitebook 8460p. Nosotros can even recommend the Acer Travelmate 8472TG, albeit reluctantly.
Dell Breadth E6420 - 2011-04-02 04/02/2011 v2(erstwhile)
J. Simon Leitner
Part - Weighted Average
J. Simon Leitner, 2011-04-thirteen (Update: 2013-06- vi)
Source: https://www.notebookcheck.net/Review-Dell-Latitude-E6420-Notebook.51152.0.html
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