Side by side comparison and review of Lenovo ThinkPad X13s Gen 1 (21BX) and Lenovo ThinkPad X1 Carbon Gen 10 (21CB). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 29.87 cm x 20.64 cm x 1.34 cm | 31.56 cm x 22.25 cm x 1.536 cm |
| Weight | 1.06 kg | 1.12 kg |
| Case Material | Glass-fibre reinforced plastic (bottom), magnesium-aluminium alloy (top) | Aluminium (bottom), carbon fibre (top) |
| Colour | Thunder black | Deep black weave |
| DISPLAY | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Screen Size (Type) | 13.3" - IPS | 14" OLED |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1200 (WUXGA) | 2880 x 1800 (2.8K) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 300 cd/m² | 400 cd/m² |
| Colour Gamut | 100% sRGB | 100% DCI-P3 |
| Features | Anti-glare, 170° viewing angle | Anti-glare, anti-reflective, anti-smudge, 170° viewing angle, Eyesafe technology, HDR 500 True Black |
| PROCESSOR | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| CPU | Qualcomm Snapdragon 8cx Gen 3 | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 3 GHz | 4.4 GHz |
| Number of Cores | 8-core | 10-core |
| Cache | L2 - 1 MB | 12 MB |
| Platform Technology | - | Intel Evo |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| RAM | 16 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4X SDRAM | LPDDR5 SDRAM |
| Speed | 4266 MHz | 5200 MHz |
| Rated Speed | 4266 MHz | 5200 MHz |
| STORAGE | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe), Performance |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Graphics Processor (GPU) | Qualcomm Adreno 690 | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | 3 external monitor(s) |
| Camera | Yes | Yes - 1080p |
| Resolution | 5 Megapixel | - |
| Camera Features | IR camera, fixed focus, e-camera shutter, MIPI | Privacy shutter, IR camera, fixed focus, MIPI, Computer Vision |
| Sound | Stereo speakers, 3-microphone array | Two tweeters, two woofers, quad array microphone |
| Codec | Qualcomm WCD9385 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos, Dolby Voice |
| COMMUNICATIONS | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | NFC, Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Qualcomm WCN6855 Wi-Fi 6E | Intel Wi-Fi 6E AX 211 |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 5G | 4G upgradable |
|---|---|---|
| Controller | Qualcomm Snapdragon X55 - M.2 Card | - |
| BATTERY | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 49.5 Wh | 57 Wh |
| Battery Life | Up to 28 hours | Up to 24.9 hours |
| AC ADAPTER | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad, air intake key design |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack |
| SOFTWARE | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Operating System (OS) | Windows 11 Pro (on ARM) - English | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Glance by Mirametrix, Intel Connectivity Performance Suite |
| MISCELLANEOUS | Lenovo ThinkPad X13s Gen 1 (21BX) | Lenovo ThinkPad X1 Carbon Gen 10 (21CB) |
|---|
| Included Accessories | USB-C power adapter | USB-C slim power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, power-on password, MIL-STD-810H tested, self-healing BIOS | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, USB FIDO (Fast Identity Online) device integration, Firmware Resiliency 3.0 |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | EPEAT Gold |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 8 - 95% |
| Manufacturer Warranty | Base warranty - 3 years - pick-up and return Limited warranty - battery - 1 year Extended warranty - 1 year - on-site |
Base warranty - 3 years - pick-up and return Limited warranty - battery - 1 year Extended warranty - 3 years - on-site |
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