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- Lenovo ThinkPad E440 vs Microsoft Surface Pro 4
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| key specs | ||||
| Display size | 14.00-inch | 12.50-inch | ||
| Display resolution | 1366x768 pixels | 2736x1824 pixels | ||
| Processor | Core i3 | Core i7 | ||
| RAM | 4GB | 16GB | ||
| OS | Windows 8.1 | Windows 10 | ||
| Hard disk | 500GB | No | ||
| SSD | No | 256GB | ||
| Weight | 3.38 kg | - | ||
| Touchscreen | - | Yes | ||
| Graphics | - | Intel Integrated HD Graphics 520 | ||
| general | ||||
| Brand | Lenovo | Microsoft | ||
| Model | ThinkPad E440 | Surface Pro 4 | ||
| Model Number | E440 | 4 | ||
| Series | ThinkPad | Surface Pro | ||
| Dimensions (mm) | 49.40 x 33.80 x 9.20 | 292.10 x 201.42 x 8.45 | ||
| Weight (kg) | 3.38 | - | ||
| Colours | Black | Silver | ||
| Operating system | Windows 8.1 | Windows 10 | ||
| Battery Cell | 6 | - | ||
| Battery Life (up to hours) | - | 9 | ||
| display | ||||
| Size | 14.00-inch | 12.50-inch | ||
| Resolution | 1366x768 pixels | 2736x1824 pixels | ||
| Touch Screen | - | Yes | ||
| processor | ||||
| Processor | Intel Core i3 4200M | Intel Core i7 6th Gen 6300U | ||
| Base Clock Speed | 2.5 GHz | 2.4 GHz | ||
| Cache | - | 3MB | ||
| memory | ||||
| RAM | 4GB | 16GB | ||
| storage | ||||
| Hard disk | 500GB | No | ||
| SSD | No | 256GB | ||
| connectivity | ||||
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 ac | ||
| Bluetooth version | 4 | 4 | ||
| inputs | ||||
| Finger Print Sensor | No | No | ||
| Web Camera | - | 5-megapixel | ||
| Pointer Device | - | Touchpad | ||
| Touchpad | - | Yes | ||
| Internal Mic | - | Yes | ||
| Speakers | - | Stereo Speakers | ||
| ports and slots | ||||
| HDMI Port | Standard | - | ||
| Number of USB Ports | - | 1 | ||
| USB Ports | - | 1 x USB 3.0 | ||
| Multi Card Slot | - | 1 Micro SD Card Reader | ||
| graphics | ||||
| Graphics Processor | - | Intel Integrated HD Graphics 520 | ||
| Dedicated Graphics | - | No | ||
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