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- Lenovo B51 80 vs Lenovo Flex 2
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| key specs | ||||
| Display size | 15.60-inch | 13.90-inch | ||
| Display resolution | 1366x768 pixels | - | ||
| Touchscreen | No | Yes | ||
| Processor | Core i7 | Core i3 | ||
| RAM | 8GB | 4GB | ||
| OS | Windows 10 | Windows 8.1 | ||
| Hard disk | 1TB | No | ||
| SSD | No | 512GB | ||
| Graphics | AMD Radeon R5 M330 | Nvidia GeForce | ||
| Weight | 2.30 kg | 1.90 kg | ||
| general | ||||
| Brand | Lenovo | Lenovo | ||
| Model | B51 80 | Flex 2 | ||
| Model Number | B51 80 | 2 | ||
| Dimensions (mm) | 24.89 x 379.98 x 10.31 | 343.00 x 255.00 x 22.40 | ||
| Weight (kg) | 2.3 | 1.9 | ||
| Colours | Black | Grey | ||
| Operating system | Windows 10 | Windows 8.1 | ||
| Battery Life (up to hours) | 4 | 5 | ||
| Series | - | Flex | ||
| Battery Cell | - | 4 | ||
| display | ||||
| Size | 15.60-inch | 13.90-inch | ||
| Resolution | 1366x768 pixels | - | ||
| Touch Screen | No | Yes | ||
| processor | ||||
| Processor | Intel Core i7 6th Gen 6500U | Intel Core i3 4th Gen 4210U | ||
| Base Clock Speed | 2.5 GHz | 1.7 GHz | ||
| Cache | 4MB | 3MB | ||
| memory | ||||
| RAM | 8GB | 4GB | ||
| RAM Slots | 2 | 1 | ||
| Expandable RAM up to (GB) | 16GB | 16GB | ||
| graphics | ||||
| Graphics Processor | AMD Radeon R5 M330 | Nvidia GeForce | ||
| Dedicated Graphic Memory Type | - | DDR3 | ||
| storage | ||||
| Hard disk | 1TB | No | ||
| SSD | No | 512GB | ||
| connectivity | ||||
| Wi-Fi standards supported | 802.11 ac | 802.11 n | ||
| Bluetooth version | 4 | 4 | ||
| inputs | ||||
| Pointer Device | Trackpad | Touchpad | ||
| Speakers | Stereo Speakers | 2 Speakers | ||
| Optical Disk Drive | CD/DVD Reader | - | ||
| Finger Print Sensor | No | No | ||
| Web Camera | - | 1-megapixel | ||
| Backlit Keyboard | - | Yes | ||
| Touchpad | - | Yes | ||
| Internal Mic | - | Yes | ||
| ports and slots | ||||
| Number of USB Ports | 2 | 3 | ||
| USB Ports | 2 x USB 3.0 | 2 x USB 2.0, 1 x USB 3.0 | ||
| HDMI Port | Standard | Standard | ||
| Multi Card Slot | SD Card Reader | SD Card Reader | ||
| Headphone and Mic Combo Jack | Yes | - | ||
| VGA Port | Yes | - | ||
| RJ45 (LAN) | Yes | Yes | ||
| Mic In | - | Yes | ||
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