Detailed comparison and review of Dell Latitude E7440 and Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
ample storage options
good processor performance
average display quality
modest graphics card
lacks USB-C charging
heavier design
| DESIGN AND DIMENSIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.7 cm x 23.15 cm x 2.1 cm | - |
| Dimensions (WxDxH) - tablet | - | 30.41 cm x 22.6 cm x 0.89 cm |
| Dimensions (WxDxH) / Weight Details | - | 30.41 cm x 22.6 cm x 0.89 cm / 890 g - tablet 30.41 cm x 22.6 cm x 1.44 cm / 1.27 kg - tablet with keyboard |
| Weight | 1.63 kg | 890 g |
| Case Material | - | Magnesium-aluminum alloy |
| Colour | Grey | Black |
| DISPLAY | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Screen Size (Type) | 14" | 13" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | WLED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 3000 x 2000 (QHD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 3:2 |
| Image Brightness | - | 400 cd/m² |
| Features | Anti-glare | Glossy, Corning Gorilla glass, WideView, anti-fingerprint |
| PROCESSOR | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| 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 Tablet (3rd Gen) (20KK) |
|---|
| RAM | 4 GB (1 x 4 GB) | 0 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
| Speed | 1600 MHz | 1866 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | SO-DIMM 204-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD | - |
|---|
| AUDIO & VIDEO | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | 0.92 Megapixel | 8 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | 720p HD movie recording | Rear camera with auto focus, rear camera with flash |
| Image Sensor Type | CMOS | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, two microphones |
| Codec | - | Realtek ALC3278 |
| COMMUNICATIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Wireless | Bluetooth 4.0, 802.11a/b/g/n/ac | - |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 7260 | - |
| Network Interface | Gigabit Ethernet | - |
| BATTERY | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Technology | 4-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Installed Qty | 1 | - |
| Battery Capacity (Size) | 47 Wh | 42 Wh |
| Battery Life | - | Up to 9.5 hours |
| AC ADAPTER | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| 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 Tablet (3rd Gen) (20KK) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Volume control, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Interfaces | LAN 3 x USB 3.0 Headphone/microphone combo jack HDMI Mini DisplayPort Dock |
2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3) (Power Delivery 3.0) Headphone/microphone combo jack Pogo keyboard connector |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | Yes (microSD, microSDHC, microSDXC, microSDXC UHS) |
| SOFTWARE | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 8.1 Licence - Multilingual User Interface (MUI) | No operating system |
|---|---|---|
| Software Included | Microsoft Office (Trial), Windows 8.1 (DVD) | - |
| MISCELLANEOUS | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, USB-C power adapter |
| Integrated Options | - | Ambient light sensor, 3-axis gyro sensor, digital compass, 3-axis accelerometer |
| 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 | Reset switch, MIL-STD-810G tested, built-in easel kickstand |
| Compliant Standards | - | RoHS, GREENGUARD, low halogen |
| SAR Value | - | 1.51 W/kg (body), 1.51 W/kg (limb) |
| ENERGY STAR Certified | 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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