Side by side comparison and review of Lenovo ThinkPad X1 Carbon (1st Gen) and Lenovo ThinkPad X12 Detachable (20UW). 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.
Advantages and disadvantages of Lenovo ThinkPad X12 Detachable (20UW) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
detachable flexibility
sharp display clarity
responsive touch screen
decent battery life
limited port selection
moderate storage capacity
higher price point
average graphics performance
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 1.88 cm | - |
| Dimensions (WxDxH) - tablet | - | 28.33 cm x 20.35 cm x 0.88 cm |
| Dimensions (WxDxH) / Weight Details | - | 28.33 cm x 21.78 cm x 0.57 cm / 340 g - keyboard dock |
| Weight | 1.36 kg | 760 g |
| Case Material | Carbon fibre, magnesium-aluminum alloy | Magnesium-aluminum alloy |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Screen Size (Type) | 14" | 12.3" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1280 (Full HD Plus) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 3:2 |
| Image Brightness | - | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Premium | Anti-reflective, Direct Bonding technology, anti-smudge, Corning Gorilla glass 5, 178° viewing angle, capacitive touch screen |
| PROCESSOR | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| CPU | Intel Core i5 (3rd Gen) 3427U / 1.8 GHz | Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 2.8 GHz | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 3 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel QS77 Express | - |
| Platform Technology | Intel vPro Platform | - |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| RAM | 4 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR3L SDRAM | LPDDR4X SDRAM |
| Speed | 1333 MHz / PC3L-10600 | 4266 MHz |
| Rated Speed | 1333 MHz | 4266 MHz |
| Form Factor | Integrated | - |
| STORAGE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD SATA 6Gb/s | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4000 | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes | Yes |
| Resolution | - | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | Face tracking | Privacy shutter, rear camera with auto focus, IR/RGB camera |
| Video Resolutions | 1280 x 720 | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3202 | Realtek ALC3306-GRT |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Wireless | 802.11a/b/g/n, Bluetooth 4.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Centrino Advanced-N 6205S - PCI Express Mini Card | Intel Wi-Fi 6 AX 201 |
| Features | - | Dual stream (2x2), MU-MIMO |
| WWAN |
|---|
| Generation | 3G | - |
|---|---|---|
| Technology | GPRS, WCDMA, HSPA, HSPA+ | - |
| Controller | Ericsson H5321gw - PCI Express Mini Card | - |
| Max Transfer Rate | 21 Mbps | - |
| BATTERY | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Technology | 4-cell lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 45.8 Wh | 42 Wh |
| Battery Life | Up to 8.2 hours | Up to 12.42 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 90 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Volume control, spill-resistant, multi-touch touchpad, buttonless touchpad | 3-level backlight |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Interfaces | USB 3.0 PoweredUSB 2.0 Mini DisplayPort Headphone/microphone combo jack |
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack Pogo keyboard connector |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Operating System (OS) | Windows 8 64-bit Edition | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Keyboard, USB-C power adapter, Lenovo Digital Pen |
| Integrated Options | - | Accelerometer, hall sensor, gyroscope, inclinometer |
| Security | Trusted Platform Module (TPM 1.2) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, ThinkPad Roll Cage, Intel Active Management Technology (iAMT), RapidCharge | RapidCharge, MIL-STD-810H tested |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS | RoHS, low halogen, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
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