Side by side comparison and review of Dell Latitude E7440 and Lenovo ThinkPad X1 Carbon Gen 8 (20U9). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad X1 Carbon Gen 8 (20U9) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust build quality
excellent keyboard feel
impressive battery life
reliable performance
high price point
average display brightness
limited graphics power
no HDMI port
DESIGN AND DIMENSIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Product Type | Ultrabook | Ultrabook |
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Dimensions (WxDxH) | 33.7 cm x 23.15 cm x 2.1 cm | 32.3 cm x 21.7 cm |
Weight | 1.63 kg | 1.09 kg |
Case Material | - | Carbon fibre, magnesium alloy |
Colour | Grey | - |
DISPLAY | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Screen Size (Type) | 14" | 14" - IPS |
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LCD Backlight Technology | WLED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | - |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Features | Anti-glare | - |
PROCESSOR | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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CPU | Intel Core i5 (4th Gen) 4310U / 2 GHz | No CPU |
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Max Turbo Speed | 3 GHz | - |
Number of Cores | Dual-Core | - |
Cache | 3 MB | - |
64-bit Computing | Yes | - |
Platform Technology | Intel vPro Platform | - |
Features | Intel Turbo Boost Technology 2.0 | - |
MEMORY | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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RAM | 4 GB (1 x 4 GB) | (provided memory is soldered) |
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Max RAM Supported | 16 GB | - |
RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
Speed | 1600 MHz | 2133 MHz |
Rated Speed | - | 2133 MHz |
Form Factor | SO-DIMM 204-pin | - |
Slots Qty | 2 | - |
Empty Slots | 1 | - |
STORAGE | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Main Storage Size (HDD/SSD) | 128 GB SSD | - |
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AUDIO & VIDEO | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics |
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Camera | Yes | - |
Resolution | 0.92 Megapixel | - |
Camera Features | 720p HD movie recording | - |
Image Sensor Type | CMOS | - |
Sound | Stereo speakers, two microphones | Four speakers, quad array microphone |
Codec | - | USI 4551-513711-00 |
Compliant Standards | - | High Definition Audio, Dolby Atmos |
COMMUNICATIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Wireless | Bluetooth 4.0, 802.11a/b/g/n/ac | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
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Wireless Controller | Intel Dual Band Wireless-AC 7260 | Intel Wi-Fi 6 AX 201 |
Network Interface | Gigabit Ethernet | - |
Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
BATTERY | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Technology | 4-cell Lithium Ion | 4-cell Lithium Ion |
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Installed Qty | 1 | - |
Battery Capacity (Size) | 47 Wh | 51 Wh |
Battery Life | - | Up to 19.5 hours |
AC ADAPTER | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt | - |
INPUT | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Keyboard Backlight | Yes | Yes |
Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Interfaces | LAN 3 x USB 3.0 Headphone/microphone combo jack HDMI Mini DisplayPort Dock |
USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector Dock |
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Memory Card Reader | Yes (SD Card) | - |
SOFTWARE | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 8.1 Licence - Multilingual User Interface (MUI) | No operating system |
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Software Included | Microsoft Office (Trial), Windows 8.1 (DVD) | - |
MISCELLANEOUS | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon Gen 8 (20U9) |
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Dockable | Yes | Yes |
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Included Accessories | Power adapter | USB-C power adapter |
Security | Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
Security Slot Type | Kensington security slot | Kensington mini security slot |
Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
Features | Intel Rapid Start Technology, Intel Smart Connect Technology | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
Compliant Standards | - | RoHS |
SAR Value | - | 1.49 W/kg (body), 1.49 W/kg (limb) |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | - | EPEAT Gold |
TCO Certified | - | TCO Certified Notebooks 8 |
Max Operating Temperature | 35 °C | - |
Min Operating Temperature | 0 °C | - |
Humidity Range Operating | 10 - 90% (non-condensing) | - |
Manufacturer Warranty | Limited warranty - 3 years - on-site - response time: next business day | - |