Lenovo ThinkPad X X1 Carbon 21KC0049US
Specs
+11
Main specs
| Processor | |
|---|---|
| Screen | 14" 1920x1200 IPS 60Hz |
| Hard drive | 512GB SSD M.2 |
| RAM | 16GB LPDDR5x-SDRAM |
| Operating system | Windows 11 Pro |
| Graphics card |
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Full specifications of Lenovo ThinkPad X X1 Carbon 21KC0049US
Reference / Part Number
21KC0049US
Release date
April 2024, 2 years ago
Design
| Product type | Laptop |
|---|---|
| Product colour | Black |
| Form factor | Clamshell |
| Housing material | Aluminium,Carbon fibre |
Image gallery
Screen
| Display diagonal | 35,6 cm |
|---|---|
| Display resolution | 1920 x 1200 pixels |
| Touchscreen | Yes |
| HD type | WUXGA |
| Panel type | IPS |
| LED backlight | Yes |
| Native aspect ratio | 16:10 |
| Anti-glare screen | Yes |
| Display brightness | 400 cd/m² |
| RGB colour space | sRGB |
| Colour gamut | 100 % |
| Maximum refresh rate | 60 Hz |
| Contrast ratio (typical) | 1000:1 |
Processor
| Processor family | Intel Core Ultra 5 |
|---|---|
| Processor manufacturer | Intel |
| Processor model | 135U |
| Processor generation | Intel Core Ultra (Series 1) |
| Processor cores | 12 |
| Processor boost frequency | 4,4 GHz |
| Performance cores | 2 |
| Efficient cores | 8 |
| Low Power Efficient-cores | 2 |
| Performance-core Max Turbo Frequency | 4,4 GHz |
| Efficient-core Max Turbo Frequency | 3,6 GHz |
| Low Power Efficient-core Max Turbo Frequency | 2,1 GHz |
| Performance-core base frequency | 1,6 GHz |
| Efficient-core base frequency | 1,1 GHz |
| Low Power Efficient-core Base Frequency | 700 MHz |
| Processor cache | 12 MB |
| Processor cache type | Smart Cache |
| Processor base power | 15 W |
| Maximum turbo power | 57 W |
Neural processor unit (NPU)
| Neural processor unit (NPU) | Intel AI Boost |
|---|---|
| Maximum frequency NPU | 1,4 GHz |
| Sparsity support | Yes |
| Windows Studio effects support | Yes |
| AI datatype support on NPU | FP16,FP32,Int8 |
| AI software frameworks supported by NPU | DirectML,ONNX RT,OpenVINO,Windows ML |
Memory
| Internal memory | 16 GB |
|---|---|
| Maximum internal memory | 16 GB |
| Internal memory type | LPDDR5x-SDRAM |
| Memory clock speed | 6400 MHz |
| Memory form factor | On-board |
| Memory channels | Dual-channel |
Storage
| Total storage capacity | 512 GB |
|---|---|
| Storage media | SSD |
| Optical drive type | No |
| Total SSDs capacity | 512 GB |
| Number of SSDs installed | 1 |
| SSD capacity | 512 GB |
| SSD interface | PCI Express 4.0 |
| NVMe | Yes |
| SSD form factor | M.2 |
| Card reader integrated | No |
Graphics
| On-board graphics card | Yes |
|---|---|
| Discrete graphics card | No |
| Discrete graphics card model | Not available |
| On-board graphics card model | Intel Graphics |
| On-board GPU manufacturer | Intel |
Audio
| Audio chip | Realtek ALC3306 |
|---|---|
| Audio system | Dolby Atmos |
| Number of built-in speakers | 2 |
| Speaker power | 2 W |
| Built-in microphone | Yes |
| Number of microphones | 2 |
Camera
| Front camera | Yes |
|---|---|
| Front camera resolution | 1920 x 1080 pixels |
| Front camera HD type | Full HD |
| Infrared (IR) camera | Yes |
| Privacy camera | Yes |
| Privacy type | Privacy shutter |
Network
| Mobile network connection | No |
|---|---|
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
| Antenna type | 2x2 |
| WLAN controller model | Intel Wi-Fi 6E AX211 |
| WLAN controller manufacturer | Intel |
| Ethernet LAN | No |
| Bluetooth | Yes |
| Bluetooth version | 5.3 |
Ports & interfaces
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
|---|---|
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| Thunderbolt 4 ports quantity | 2 |
| Intel® Thunderbolt 4 | Yes |
| Combo headphone/mic port | Yes |
| USB Type-C DisplayPort Alternate Mode | Yes |
| USB Power Delivery | Yes |
| USB Sleep-and-Charge | Yes |
| USB Sleep-and-Charge ports | 1 |
Performance
| Motherboard chipset | Intel SoC |
|---|
Keyboard
| Numeric keypad | No |
|---|---|
| Pointing device | ThinkPad UltraNav |
| Keyboard language | US English |
| Keyboard backlit | Yes |
| Spill-resistant keyboard | Yes |
Software
| Operating system installed | Windows 11 Pro |
|---|---|
| Operating system architecture | 64-bit |
Battery
| Battery capacity | 57 Wh |
|---|---|
| Battery technology | Lithium Polymer (LiPo) |
Security
| Cable lock slot | Yes |
|---|---|
| Cable lock slot type | Kensington |
| Fingerprint reader | Yes |
| Smart card reader | No |
| Trusted Platform Module (TPM) | Yes |
| Trusted Platform Module (TPM) version | 2.0 |
| Password protection | Yes |
| Password protection type | BIOS,Power on,Supervisor,SSD |
Operational conditions
| Operating temperature (T-T) | 5 - 35 °C |
|---|---|
| Storage temperature (T-T) | 5 - 43 °C |
| Operating relative humidity (H-H) | 8 - 95 % |
| Storage relative humidity (H-H) | 5 - 95 % |
| Maximum shipping altitude | 3048 m |
Certificates
| Compliance certificates | RoHS |
|---|---|
| Certification | MIL-STD-810H military test passed |
Sustainability
| Sustainability certificates | TCO,ENERGY STAR,EPEAT Gold,ErP |
|---|
Weight & dimensions
| Weight | 1,08 kg |
|---|---|
| Width | 312,8 mm |
| Depth | 214,8 mm |
| Height | 15 mm |