In depth comparison and review of Dell Latitude E7440 and Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB). 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.
DESIGN AND DIMENSIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Product Type | Ultrabook | Tablet - with detachable keyboard |
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Dimensions (WxDxH) | 33.7 cm x 23.15 cm x 2.1 cm | - |
Dimensions (WxDxH) - tablet | - | 29.15 cm x 20.95 cm x 0.845 cm |
Dimensions (WxDxH) / Weight Details | - | 29.15 cm x 20.95 cm x 0.845 cm / 770 g - tablet 29.15 cm x 20.95 cm x 1.415 cm / 1.07 kg - tablet with keyboard |
Weight | 1.63 kg | 770 g |
Case Material | - | Glass-fibre reinforced plastic, magnesium alloy |
Colour | Grey | Black |
DISPLAY | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Screen Size (Type) | 14" | 12" - IPS |
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Touchscreen | - | Yes (10-point multi-touch) |
LCD Backlight Technology | WLED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 2160 x 1440 (Full HD Plus) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 3:2 |
Image Brightness | - | 360 cd/m² |
Features | Anti-glare | Glossy, Corning Gorilla glass, WideView, anti-fingerprint |
PROCESSOR | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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CPU | Intel Core i5 (4th Gen) 4310U / 2 GHz | Intel Core i5 (7th Gen) 7Y57 / 1.2 GHz |
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Max Turbo Speed | 3 GHz | 3.3 GHz |
Number of Cores | Dual-Core | Dual-Core |
Cache | 3 MB | 4 MB |
64-bit Computing | Yes | Yes |
Platform Technology | Intel vPro Platform | - |
Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
MEMORY | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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RAM | 4 GB (1 x 4 GB) | 8 GB (provided memory is soldered) |
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Max RAM Supported | 16 GB | - |
RAM Type | DDR3L SDRAM | LPDDR3 SDRAM |
Speed | 1600 MHz | 1866 MHz |
Rated Speed | - | 1866 MHz |
Form Factor | SO-DIMM 204-pin | - |
Slots Qty | 2 | - |
Empty Slots | 1 | - |
STORAGE | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Main Storage Size (HDD/SSD) | 128 GB SSD | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Intel |
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AUDIO & VIDEO | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel HD Graphics 615 |
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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 | - |
Video Resolutions | - | 1080p |
Sound | Stereo speakers, two microphones | Stereo speakers, three microphones |
Codec | - | Realtek ALC3268 |
COMMUNICATIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Wireless | Bluetooth 4.0, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.1 |
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Wireless Controller | Intel Dual Band Wireless-AC 7260 | M.2 Card |
Network Interface | Gigabit Ethernet | - |
WWAN |
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Generation | - | 4G |
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Technology | - | LTE Advanced |
Controller | - | Sierra Wireless EM7455 |
BATTERY | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Technology | 4-cell Lithium Ion | 2-cell Lithium Ion |
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Installed Qty | 1 | - |
Battery Capacity (Size) | 47 Wh | 37 Wh |
Battery Life | - | Up to 10 hours |
AC ADAPTER | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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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 | 45 Watt, 5 / 9 / 15 / 20 V |
INPUT | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Type | Keyboard, touchpad | Keyboard, digitizer, TrackPoint, digital pen, UltraNav |
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Keyboard Backlight | Yes | Yes |
Features | - | Volume control, multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Slots | - | 1 x Nano-SIM card (1 free) |
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Interfaces | LAN 3 x USB 3.0 Headphone/microphone combo jack HDMI Mini DisplayPort Dock |
USB-C 3.1 Gen 1 (Power Delivery 2.0) USB 3.1 Gen 1/USB 3.0 Mini DisplayPort Dock Headphone/microphone combo jack VGA (on supplied adapter) |
Memory Card Reader | Yes (SD Card) | Yes (microSD, microSDHC, microSDXC) |
SOFTWARE | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 8.1 Licence - Multilingual User Interface (MUI) | Windows 10 Pro 64-bit Edition |
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Software Included | Microsoft Office (Trial), Windows 8.1 (DVD) | - |
MISCELLANEOUS | Dell Latitude E7440 | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) |
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Dockable | Yes | Yes |
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Included Accessories | Power adapter | Keyboard, ThinkPad Pen Pro, USB-C power adapter, pen holder |
Cables Included | - | Mini DisplayPort-VGA 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, fingerprint reader |
Security Slot Type | Kensington security slot | Kensington 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 |
Compliant Standards | - | RoHS, GREENGUARD, low halogen |
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 | - |