Product code: 81UE0051CK
| Design | |
|---|---|
| Product colour | Grey |
| Product type | Hybrid (2-in-1) |
| Form factor | Convertible (Folder) |
| Display | |
| Display diagonal | 13.3 inch |
| Display brightness | 400 cd/m² |
| Panel type | IPS |
| HD type | Full HD |
| LED backlight | Yes |
| Touchscreen | Yes |
| Display resolution | 1920 x 1080 pixels |
| Native aspect ratio | 16:9 |
| Brand | Lenovo |
| Family | Yoga |
| Series | C |
| Model name | C640 |
| Part Number | 81UE0051CK |
| Release Date | 12 March 2021 |
| EAN/UPC code | 0194778423489, 194778423489 |
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| Processor | |
| Processor manufacturer | Intel |
| Processor family | Intel Core i7 |
| Processor frequency | 1.8 GHz |
| Motherboard chipset | Intel SoC |
| Processor boost frequency | 4.9 GHz |
| Processor model | i7-10510U |
| Processor cores | 4 |
| Configurable TDP-up frequency | 2.3 GHz |
| Configurable TDP-up | 25 W |
| Processor generation | 10th gen Intel Core i7 |
| Memory | |
| Internal memory type | DDR4-SDRAM |
| Internal memory | 16 GB |
| Memory form factor | On-board |
| Memory clock speed | 2400 MHz |
| Maximum internal memory | 16 GB |
| Graphics | |
| On-board graphics card | Yes |
| Discrete graphics card | No |
| Discrete graphics card model | Not available |
| On-board graphics card model | Intel UHD Graphics |
| On-board GPU manufacturer | Intel |
| Storage | |
| Total storage capacity | 512 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 512 GB |
| Total SSDs capacity | 512 GB |
| Card reader integrated | No |
| Storage media | SSD |
| Optical drive | |
| Optical drive type | No |
| Networking | |
| Ethernet LAN | No |
| Top Wi-Fi standard | Wi-Fi 5 (802.11ac) |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Antenna type | 2x2 |
| Bluetooth | Yes |
| Bluetooth version | 5.0 |
| Ports & interfaces | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| Combo headphone/mic port | Yes |
| Audio | |
| Built-in microphone | Yes |
| Number of built-in speakers | 2 |
| Audio system | Dolby Atmos |
| Speaker power | 2 W |
| Number of microphones | 2 |
| Camera | |
| Front camera | Yes |
| Front camera HD type | HD |
| Keyboard | |
| Numeric keypad | No |
| Keyboard backlit | Yes |
| Pointing device | Touchpad |
| Keyboard language | Czech, Slovakian |
| Performance | |
| Electronic compass | No |
| Ambient light sensor | No |
| Accelerometer | Yes |
| Gyroscope | No |
| Software | |
| Operating system installed | Windows 10 Home |
| Operating system language | Czech, English, Slovak |
| Operating system architecture | 64-bit |
| Battery | |
| Battery technology | Lithium Polymer (LiPo) |
| Battery life (max) | 20 h |
| Battery capacity | 60 Wh |
| Weight & dimensions | |
| Weight | 1.35 kg |
| Height | 16.9 mm |
| Depth | 204.5 mm |
| Width | 306 mm |
| Power | |
| AC adapter power | 45 W |
| Security | |
| Fingerprint reader | Yes |
| Trusted Platform Module (TPM) | Yes |
| Password protection | Yes |
| Password protection type | Power on, Supervisor, User |
Disclaimer: Although we try to make the information as accurate as posible we do not guarantee it is 100% correct.