In depth comparison and review of Dell Latitude E7440 and Lenovo ThinkPad X1 Carbon (7th Gen) (20QE). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) 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
fast ssd storage
average graphics performance
no dedicated GPU
limited storage capacity
higher price point
| DESIGN AND DIMENSIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Product Type | Ultrabook | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | 33.7 cm x 23.15 cm x 2.1 cm | 32.3 cm x 21.7 cm x 1.495 cm |
| Weight | 1.63 kg | 1.09 kg |
| Case Material | - | Carbon fibre, magnesium alloy |
| Colour | Grey | - |
| DISPLAY | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Screen Size (Type) | 14" | 14" |
|---|---|---|
| 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 (7th Gen) (20QE) |
|---|
| CPU | Intel Core i5 (4th Gen) 4310U / 2 GHz | No CPU |
|---|---|---|
| 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 (7th Gen) (20QE) |
|---|
| RAM | 4 GB (1 x 4 GB) | (provided memory is soldered) |
|---|---|---|
| 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 (7th Gen) (20QE) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD | - |
|---|
| AUDIO & VIDEO | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics 620 |
|---|---|---|
| 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 | - | Realtek ALC3286 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Wireless | Bluetooth 4.0, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 7260 | - |
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Installed Qty | 1 | - |
| Battery Capacity (Size) | 47 Wh | 51 Wh |
| Battery Life | - | Up to 18.3 hours |
| AC ADAPTER | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | - |
| INPUT | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| 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 |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | - |
| SOFTWARE | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 8.1 Licence - Multilingual User Interface (MUI) | - |
|---|---|---|
| Software Included | Microsoft Office (Trial), Windows 8.1 (DVD) | - |
| MISCELLANEOUS | Dell Latitude E7440 | Lenovo ThinkPad X1 Carbon (7th Gen) (20QE) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | USB-C power adapter |
| Security | Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| 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 |
| ENERGY STAR Certified | Yes | Yes |
| 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 | - |
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