Side by side comparison and review of Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) 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 X1 Tablet (3rd Gen) (20KK) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent battery life
ample storage options
good processor performance
average display quality
modest graphics card
lacks USB-C charging
heavier design
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 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Product Type | Tablet - with detachable keyboard | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) - tablet | 30.41 cm x 22.6 cm x 0.89 cm | 28.33 cm x 20.35 cm x 0.88 cm |
| Dimensions (WxDxH) / Weight Details | 30.41 cm x 22.6 cm x 0.89 cm / 890 g - tablet 30.41 cm x 22.6 cm x 1.44 cm / 1.27 kg - tablet with keyboard |
28.33 cm x 21.78 cm x 0.57 cm / 340 g - keyboard dock |
| Weight | 890 g | 760 g |
| Case Material | Magnesium-aluminum alloy | Magnesium-aluminum alloy |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Screen Size (Type) | 13" - IPS | 12.3" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3000 x 2000 (QHD+) | 1920 x 1280 (Full HD Plus) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 3:2 |
| Image Brightness | 400 cd/m² | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | Glossy, Corning Gorilla glass, WideView, anti-fingerprint | Anti-reflective, Direct Bonding technology, anti-smudge, Corning Gorilla glass 5, 178° viewing angle, capacitive touch screen |
| PROCESSOR | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| CPU | No CPU | Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | - | 4 GHz |
| Number of Cores | - | Quad-Core |
| Cache | - | 8 MB |
| Features | - | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| RAM | 0 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR4X SDRAM |
| Speed | 1866 MHz | 4266 MHz |
| Rated Speed | 2133 MHz | 4266 MHz |
| STORAGE | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Camera | Yes | Yes |
| Resolution | 8 Megapixel (rear), 2 Megapixel (front) | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | Rear camera with auto focus, rear camera with flash | Privacy shutter, rear camera with auto focus, IR/RGB camera |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3278 | Realtek ALC3306-GRT |
| Compliant Standards | - | Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Wireless | - | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 |
| Features | - | Dual stream (2x2), MU-MIMO |
| BATTERY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 42 Wh |
| Battery Life | Up to 9.5 hours | Up to 12.42 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Volume control, multi-touch touchpad, buttonless touchpad | 3-level backlight |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Interfaces | 2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3) (Power Delivery 3.0) Headphone/microphone combo jack Pogo keyboard connector |
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 | Yes (microSD, microSDHC, microSDXC, microSDXC UHS) | - |
| SOFTWARE | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Operating System (OS) | No operating system | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Keyboard, USB-C power adapter | Keyboard, USB-C power adapter, Lenovo Digital Pen |
| Integrated Options | Ambient light sensor, 3-axis gyro sensor, digital compass, 3-axis accelerometer | Accelerometer, hall sensor, gyroscope, inclinometer |
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington mini security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Reset switch, MIL-STD-810G tested, built-in easel kickstand | RapidCharge, MIL-STD-810H tested |
| Compliant Standards | RoHS, GREENGUARD, low halogen | RoHS, low halogen, Energy-Related Products (ErP) Lot 3 |
| SAR Value | 1.51 W/kg (body), 1.51 W/kg (limb) | - |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | - | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
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