In depth comparison and review of Dell Latitude E7440 and Lenovo Miix 520-12IKB (81CG). 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 Miix 520-12IKB (81CG) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 2-in-1 design
responsive touch screen
solid build quality
decent processing power
affordable price
average battery life
heavier than competitors
no thunderbolt support
limited graphics performance
| DESIGN AND DIMENSIONS | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.7 cm x 23.15 cm x 2.1 cm | - |
| Dimensions (WxDxH) - tablet | - | 30 cm x 20.5 cm x 0.99 cm |
| Dimensions (WxDxH) / Weight Details | - | 30.39 cm x 21.91 cm x 0.6 cm / 380 g - keyboard dock 30 cm x 20.5 cm x 0.99 cm / 880 g - tablet |
| Weight | 1.63 kg | 880 g |
| Case Material | - | Magnesium-aluminum alloy |
| Colour | Grey | Platinum |
| DISPLAY | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Screen Size (Type) | 14" | 12.2" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | WLED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 320 cd/m² |
| Features | Anti-glare | Glossy |
| PROCESSOR | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| CPU | Intel Core i5 (4th Gen) 4310U / 2 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Intel Turbo Boost Technology 2.0 | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| RAM | 4 GB (1 x 4 GB) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | - |
| RAM Type | DDR3L SDRAM | DDR4 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 Miix 520-12IKB (81CG) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD | 256 GB SSD M.2 PCIe |
|---|
| AUDIO & VIDEO | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | 0.92 Megapixel | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | 720p HD movie recording | Rear camera with auto focus, front camera with fixed focus |
| Image Sensor Type | CMOS | - |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Compliant Standards | - | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Wireless | Bluetooth 4.0, 802.11a/b/g/n/ac | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 7260 | M.2 Card |
| Network Interface | Gigabit Ethernet | - |
| Features | - | Dual stream (2x2) |
| BATTERY | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Technology | 4-cell Lithium Ion | 2-cell lithium polymer |
|---|---|---|
| Installed Qty | 1 | - |
| Battery Capacity (Size) | 47 Wh | 39 Wh |
| Battery Life | - | Up to 8 hours |
| AC ADAPTER | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Type | Keyboard, touchpad | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Interfaces | LAN 3 x USB 3.0 Headphone/microphone combo jack HDMI Mini DisplayPort Dock |
Headphone/microphone combo jack USB-C 3.1 Gen 1 (supports DisplayPort 1.2, VGA, HDMI) USB 3.1 Gen 1 |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | Yes (microSD) |
| SOFTWARE | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Operating System (OS) | Microsoft Windows 7 Professional 64-bit Edition + Windows 8.1 Licence - Multilingual User Interface (MUI) | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | Microsoft Office (Trial), Windows 8.1 (DVD) | Microsoft Office (Trial) |
| MISCELLANEOUS | Dell Latitude E7440 | Lenovo Miix 520-12IKB (81CG) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter, keyboard, Lenovo Active Pen 2 |
| Integrated Options | - | G-sensor, hall sensor, gyroscope |
| Security | Trusted Platform Module (TPM) Security Chip | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Intel Rapid Start Technology, Intel Smart Connect Technology | - |
| Compliant Standards | - | RoHS |
| 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 | Limited warranty - 1 year - pick-up and return |
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