Dell Latitude 7400 2-in-1 review: 15 hours of battery keep this laptop going (and going)
The Dell Latitude 7400 two-in-1 may become downwards every bit one of the best, admitting heavier, xiv-inch Ultrabooks for 2022. Although Dell aims this squarely at businesses, the line betwixt enterprise and prosumer has been blurred so much that the distinction is at present minimized.
And then, what makes the Latitude 7400 2-in-i so cracking? Solid audio, a camera that auto-locks your laptop, fantabulous core experience, and a battery that can get for xv hours, to start.
Built like a tank
Dell Latitude 7400 2-in-1
From $one,599
Bottom line: The Latitude 7400 two-in-one is built like a tank and it optional 78WHr battery gets the longest battery life of whatever business laptop out there. Ingenious innovations like infrared cameras that automobile-lock and unlock the figurer, 3D positional audio, and a swell inking feel make this one of the all-time, well-nigh well-rounded Ultrabooks of the year.
Pros:
- Excellent low-watt full Hard disk drive screen.
- Adept audio.
- Impressive bombardment life.
- Premium build quality.
Cons:
- Slightly heavy.
- No 2K or 4K display options.
Dell Breadth 7400 2-in-i features
The Breadth 7400 two-in-ane has an all-metallic, unibody design that is rigid and solid. The brushed metallic exterior is forgiving, especially for fingerprints. Dell also uses a new dual-swivel design that many laptop makers are going for this twelvemonth. Letting the display fold dorsum now with two points of articulation lets companies ditch the typically broad display "chin," which when combined with the 4-sided narrow bezel that'south "25 percent thinner than the Latitude 7390 2-in-i" makes the Latitude 7400 quite the looker.
Weight starts at 2.99 lbs (one.3 kg), merely that's for the smaller (and typical) 52Whr bombardment option. Power users will want to grab the significantly larger 78Whr battery, which bumps the weight to 3.iii lbs (1.v kg).
| Category | Spec |
|---|---|
| Brandish | 14-inch FHD (1920x 1080) Touch, anti-cogitating, anti-smudge Low-watt Corning Gorilla Glass five |
| Processor | Intel Core i5-8265U Intel Cadre i5-8365U Intel Core i7-8665U |
| Graphics | Intel UHD 620 |
| RAM | 8GB or 16GB LPDDR3 |
| Storage | 256GB, 512GB, 1TB, or 2TB PCIe SSD |
| Ports | Two USB-C Thunderbolt 3 Ii USB-A, 3.1 Gen1 (with power share) HDMI 1.4 uSD Reader |
| Camera | 720P Windows Hi IR photographic camera |
| Speaker | Dual, bottom MaxxWave |
| Wireless | Intel Dual Band Wireless Ac 9560 (802.11ac) 2x2 Qualcomm Snapdragon X20 LTE (optional) |
| Battery | 52 WHr 78WHr USB-C Rapid Accuse 65W or 90W charger |
| Dimensions | 0.34 to 0.59 in ten 12.59 in 10 7.87 in (8.53 to 14.89 mm 10 320 mm 10 200 mm) |
| Weight | Starting at two.99 lbs (1.3 kg) |
| Availability | Now |
| Price | Starting at $1,599.99 |
Dell used a new low-watt total HD display. The screen can peak at effectually 300 nits of brightness, which is the sweet spot for skilful display experience. Information technology does, however, fall short compared to newer HDR 400 displays that tin range upwards to 500 nits of brightness. But with but effectually one watt of power needed (versus two) and combined with that 78Whr battery, Dell can push bombardment life to new limits.
Being a 2-in-1, the Latitude 7400 tin easily convert to a 14-inch tablet or exist used in presentation mode, or fifty-fifty only be used to picket movies on an aeroplane. There is an optional $99 Dell dual-protocol pen for inking that can stick to the side of the 7400 using magnets.
For CPUs options, Dell lets users configure with Intel Core i5-8265U, Core i5-8365U, or Core i7-8665U 15-watt mobile processors. Those are brand new from Intel, making these some of the first laptops to have them.
RAM is configurable up to 16GB with up to 2GB of PCIe NVMe solid-state bulldoze (SSD) and an optional Qualcomm Snapdragon X20 LTE for always-continued abilities. Dell finds the sweet spot for ports with two USB Blazon-A (3.1) and two USB Blazon-C, both of which are Thunderbolt three and tin can be used for charging. A full HDMI 1.four port along with microSD and headphone jack round out the rest with the SIM card tray congenital-in for optional LTE hardware.
Latitude 7400 ii-in-ane low-power display gets loftier marks
The Breadth's fourteen-inch total Hard disk display is zip world-shattering, particularly when compared to the benefaction of OLED options these days or even HDR-panels similar on the Lenovo IdeaPad S940. Yet, it does bring some unique features, including being a low-watt option, which sips battery life compared to many other laptop screens. Low Ability Display Engineering science (LPDT) is a projection past Intel, Abrupt, and Innolux designed to halve the amount of power a typical screen draws from the battery. Dropping from 2 watts to ane may not seem like a lot, but when your screen is responsible for a quarter of agile battery life, that reduction adds hours back. When combined with a large internal bombardment, it is no wonder why the Latitude 7400 2-in-1 does so well for longevity.
Performance and battery life put the Latitude 7400 ii-in-1 in a league of its own.
This screen, though, is no slouch either. Brightness is simply shy of 300 nits, which is skilful enough for everyday utilise without it ever feeling dim. Color accurateness is infrequent with 100 percent sRGB and 77 pct AdobeRGB – both very respectable numbers for a non-media focused laptop. Gamut and color accuracy are well in a higher place average, making this and fantabulous display, even if it'due south but 1920 x 1080 in resolution.
The Latitude 7400 2-in-one also supports inking with the optional $95 Dell Premium Agile Pen (PN579X). The pen is excellent with multi-protocol AES 2 support and strong magnets for attaching to the Latitude.
Protecting the screen is Corning Gorilla Glass 5, which is also anti-smudge and anti-glare (though yet technically sleeky, non matte).
Latitude 7400 2-in-i photographic camera detects your presence
1 potential killer-feature for the Latitude 7400 2-in-1: ExpressSign-In. This laptop is the outset commercial one with a proximity sensor enabled with Intel Context Sensing Technology. That hardware "senses when you're nigh and wakes your PC from slumber to log you in with facial recognition instantly. It also detects when you lot walk away and locks." The ExpressSign-In software can be ready anywhere from one to iii minutes to auto-lock the laptop when information technology does not find you. When it is locked, the display turns off to salve power, only the infrared (IR) lenses stay active. When the system sees you take returned, information technology powers back on and unlocks, all hands-costless.
Such a organisation sounds ripe for constant failures, just the technology worked flawlessly in my fourth dimension with it. Information technology is remarkable to see a PC reacting to your presence, and it'southward clear Intel and Dell are not pushing this out too soon. One time you get used to the convenience, you'll never want to live without ExpressSign-In.
The Latitude 7400 two-in-1 ExpressSign-In feature knows when you're at that place.
For those concerned with privacy, there should be little worry. The software is non enabled by default and is a simple app that can be removed. The spider web photographic camera, notwithstanding, falls into the withal bones range of laptop offerings; it gets the job done and is better than boilerplate but falls short of Microsoft's Surface cameras.
Latitude 7400 ii-in-1 keyboard, trackpad, and audio
Dell used a no-frills keyboard for the Latitude. I find the chicklet style all-around to fast typing, though the expect of it is ho-hum. Typing feels practiced, though. The inclusion of total-sized arrow keys is also a squeamish touch, and the recessed design keeps the keys from touching the brandish when closed. The two-stage backlight works well and makes typing in depression light areas a cakewalk. The trackpad is likewise a skilful size with decent clicking, smooth glass texture, and Microsoft Precision drivers. At that place is a very slight rattle when clicking from the trackpad mechanism, but this is nitpicking.
Audio is typically Dell's worst-performing area, merely the dual speakers are loud, well-baked, brilliant, and vibrant. While they still do non compare to quad-speaker systems or Microsoft'due south Surface line, they are much better than average. The speakers are on the bottom border of the laptop, which keeps sound consistent when transforming to a tablet or presentation mode. Additional top-firing speakers would have been excellent, but there's no reason to ding this laptop for the lack of them.
The Maxxwave software is likewise smart with an option to use the web camera to detect caput position to shape the sound contour. However, this tech, which Maxxwave dubs WAVE Nx, does not work with proper Universal Windows Platform (UWP) apps from the Microsoft Store, and then its usefulness is somewhat diminished.
Latitude 7400 2-in-1 is a power and battery champ
The Intel Cadre i7-8665U in our review unit is one of the newest 8th Generation U-series processors. Performance is quite skillful and falls in line with expectations. Those looking to relieve some money can opt for one of ii Core i5 processors, which are likewise excellent.
While information technology would accept been nice to see a discrete NVIDIA GeForce MX150 or MX250 choice for a graphics boost, the Intel UHD 620 GPU gets the job done without taking a hit on the battery.
CPU
Geekbench four.0 Benchmarks (higher is better)
| Device | CPU | Single cadre | Multi core |
|---|---|---|---|
| Dell Latitude 7400 2-in-1 | Cadre i7-8665U | 5,469 | fifteen,800 |
| Lenovo IdeaPad S940 | Core i7-8565U | five,101 | 14,089 |
| Huawei MateBook 14 | Core i7-8565U | v,327 | 17,522 |
| Huawei MateBook X Pro (new) | Cadre i7-8565U | 5,192 | sixteen,757 |
| Huawei MateBook xiii | Cadre i7-8565U | v,336 | 17,062 |
| HP EliteBook x360 1040G5 | Core i7-8565U | 4,928 | 13,524 |
| HP Spectre x360 13t | Core i7-8565U | 5,056 | 14,767 |
| Surface Laptop 2 | Core i5-8250U | 4,203 | thirteen,233 |
| LG gram 14 2-in-1 | Cadre i7-8565U | 4,829 | xiii,889 |
| Lenovo Yoga C930 | Cadre i7-8550U | 4,787 | 15,028 |
| Dell XPS xiii (9370) | Core i7-8550U | 4,681 | 14,816 |
SSD
CrystalDiskMark (higher is amend)
| Device | Read | Write |
|---|---|---|
| Dell Latitude 7400 2-in-1 | iii,110 MB/s | 2,825 MB/s |
| Lenovo IdeaPad S940 | 3,383 MB/s | 1,979 MB/s |
| Huawei MateBook xiv | 3,470 MB/s | 1,920 MB/south |
| Huawei MateBook X Pro (new) | 3,416 MB/s | two,779 MB/s |
| Huawei MateBook xiii | 3,436 MB/s | 2,553 MB/southward |
| HP Spectre x360 13t | 3,085 MB/due south | one,182 MB/s |
| LG gram 14 2-in-one | 558.1 MB/s | 523.1 MB/s |
| Lenovo Yoga C930 | ii,596 MB/s | 806 MB/s |
| Lenovo IdeaPad 730S | iii,450 MB/s | ane,463 MB/due south |
| Lenovo Yoga C630 | 791 MB/s | 220 MB/s |
| ASUS ZenBook 15 | ane,725 MB/s | 1,447 MB/due south |
.
For storage performance, we had a 512GB SSD that pulled in a very salubrious 3,110 MB/s for read and 2,825MB/s for write, making this one of the amend-performing solutions in this category.
Only actually where the Latitude 7400 ii-in-1 shines is battery life. We tested the 78WHr bombardment ($21 more), which is exceptionally massive for this form of laptop, which typically ships with a 52WHr. Dell claims over 24 hours of video playback, but for real-globe usage nosotros saw closer to xiii hour to xv hours, which is still crazy.
Dell did an outstanding job with the Breadth 7400 2-in-1.
When combined with the 90-watt charger ($fourteen more), users can recharge up to 80 percent of the battery in an 60 minutes. If you need even more power, Dell's 65WHr PW7018LC Notebook Power Depository financial institution Plus tin peak you off when traveling.
All of that performance and bombardment tech identify the Latitude 7400 2-in-1 a league of its own for productivity-based laptops.
Dell Latitude 7400 two-in-1 bottom line
Dell did an outstanding job with the Latitude 7400 2-in-1, and information technology is like shooting fish in a barrel to recommend even if it is pricey. Our review unit with a Core i7, 78WHr battery, 90-watt charger, Dell pen, 16GB of RAM, and 512GB of storage tops off effectually $two,700. Toss in some other extras like the excellent $330 Dell Thunderbolt Dock (WD19TB) and a display, and y'all can come across just how expensive things can get.
The Latitude 7400 2-in-one is easily i of the all-time Ultrabooks on the market.
But few – if whatsoever – 14-inch Ultrabooks with this precise engineering, robust hardware, and flexibility in part tin as well merits to accept the longest bombardment life. The choice for a 78WHr battery, when combined with a low-wattage display, is an outstanding combination for road warriors, especially if y'all opt for 4G LTE (+$140). All this combined with stiff fundamentals (typing, screen quality, trackpad, and audio) make the Latitude 7400 2-in-1 one of the all-time Ultrabooks on the market place.
Areas for time to come comeback would be a switch to a slightly taller sixteen:10 aspect for the display, a better trackpad, and ii actress speakers on the top deck. All said, I accept institute information technology difficult to put this laptop down since 24-hour interval one.
A tank that lasts all mean solar day
Dell Latitude 7400 2-in-1
Excellent battery, super adaptive
Dell's revamped Latitude 7400 2-in-1 for 2022 leads the pack for 14-inch Ultrabooks and overall battery life. Combined with an excellent keyboard, reliable performance, quality brandish with inking, and slick-looking hardware, this laptop is one of our favorites, though it'southward expensive.
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