Detailed comparison and review of Lenovo ThinkPad X1 Tablet (1st Gen) and Lenovo ThinkPad X12 Detachable (20UW). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of Lenovo ThinkPad X1 Tablet (1st Gen) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile detachable design
robust build quality
excellent keyboard accessory
impressive display clarity
reliable performance
limited battery life
higher price point
modest storage capacity
no dedicated graphics
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 (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Product Type | Tablet - with detachable keyboard | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) - tablet | 29.15 cm x 20.95 cm x 1.3 cm | 28.33 cm x 20.35 cm x 0.88 cm |
| Dimensions (WxDxH) / Weight Details | 29.15 cm x 20.95 cm x 1.3 cm / 1.1 kg - keyboard dock | 28.33 cm x 21.78 cm x 0.57 cm / 340 g - keyboard dock |
| Weight | 795 g | 760 g |
| Case Material | - | Magnesium-aluminum alloy |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Screen Size (Type) | 12" - IPS | 12.3" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2160 x 1440 (Full HD Plus) | 1920 x 1280 (Full HD Plus) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 3:2 |
| Image Brightness | - | 400 cd/m² |
| Colour Gamut | - | 100% sRGB |
| Features | - | Anti-reflective, Direct Bonding technology, anti-smudge, Corning Gorilla glass 5, 178° viewing angle, capacitive touch screen |
| PROCESSOR | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| CPU | Intel Core m7 (6th Gen) 6Y75 / 1.2 GHz | Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.1 GHz | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 8 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR4X SDRAM |
| Speed | - | 4266 MHz |
| Rated Speed | - | 4266 MHz |
| STORAGE | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 515 | 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 flash | Privacy shutter, rear camera with auto focus, IR/RGB camera |
| Sound | Speaker | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3306-GRT |
| Compliant Standards | - | Dolby Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac, NFC, 802.11ad (WiGig) | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 |
| Features | - | Dual stream (2x2), MU-MIMO |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | UMTS, HSPA, HSPA+, DC-HSPA+, LTE Advanced | - |
| Controller | Sierra Wireless EM7455 | - |
| BATTERY | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Technology | 2-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 42 Wh |
| Battery Life | Up to 10 hours | Up to 12.42 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 20 V, 2.25 A | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | - | 3-level backlight |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.0 USB-C Mini DisplayPort Dock 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 | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X12 Detachable (20UW) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter, keyboard | Keyboard, USB-C power adapter, Lenovo Digital Pen |
| Integrated Options | - | Accelerometer, hall sensor, gyroscope, inclinometer |
| Security | Trusted Platform Module (TPM) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | MIMO technology | RapidCharge, MIL-STD-810H tested |
| Navigation Receiver | GPS | - |
| Compliant Standards | - | RoHS, low halogen, Energy-Related Products (ErP) Lot 3 |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Manufacturer Warranty | Limited warranty - 2 years | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site |
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