In depth comparison and review of Lenovo ThinkPad X12 Detachable (20UW) and Lenovo Miix 520-12IKB (81CG). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
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
Advantages and disadvantages of Lenovo Miix 520-12IKB (81CG) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 2-in-1 design
responsive touch screen
solid build quality
decent processing power
affordable price
average battery life
heavier than competitors
no thunderbolt support
limited graphics performance
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Product Type | Tablet - with detachable keyboard | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) - tablet | 28.33 cm x 20.35 cm x 0.88 cm | 30 cm x 20.5 cm x 0.99 cm |
| Dimensions (WxDxH) / Weight Details | 28.33 cm x 21.78 cm x 0.57 cm / 340 g - keyboard dock | 30.39 cm x 21.91 cm x 0.6 cm / 380 g - keyboard dock 30 cm x 20.5 cm x 0.99 cm / 880 g - tablet |
| Weight | 760 g | 880 g |
| Case Material | Magnesium-aluminum alloy | Magnesium-aluminum alloy |
| Colour | Black | Platinum |
| DISPLAY | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Screen Size (Type) | 12.3" - IPS | 12.2" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1280 (Full HD Plus) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 16:10 |
| Image Brightness | 400 cd/m² | 320 cd/m² |
| Colour Gamut | 100% sRGB | - |
| Features | Anti-reflective, Direct Bonding technology, anti-smudge, Corning Gorilla glass 5, 178° viewing angle, capacitive touch screen | Glossy |
| PROCESSOR | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| CPU | Intel Core i5 (11th Gen) 1130G7 / 1.8 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 6 MB |
| Features | Integrated memory controller | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR4X SDRAM | DDR4 SDRAM |
| Speed | 4266 MHz | 2133 MHz |
| Rated Speed | 4266 MHz | 2133 MHz |
| STORAGE | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Memory Allocation Technology | Shared Video Memory (UMA) | - |
| Camera | Yes | Yes |
| Resolution | 8 Megapixel (rear), 5 Megapixel (front) | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | Privacy shutter, rear camera with auto focus, IR/RGB camera | Rear camera with auto focus, front camera with fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3306-GRT | - |
| Compliant Standards | Dolby Audio | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | M.2 Card |
| Features | Dual stream (2x2), MU-MIMO | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Technology | Lithium polymer | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 39 Wh |
| Battery Life | Up to 12.42 hours | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Type | Keyboard, digitizer, touchpad, digital pen | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | 3-level backlight | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Interfaces | 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 |
Headphone/microphone combo jack USB-C 3.1 Gen 1 (supports DisplayPort 1.2, VGA, HDMI) USB 3.1 Gen 1 |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X12 Detachable (20UW) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Keyboard, USB-C power adapter, Lenovo Digital Pen | Power adapter, keyboard, Lenovo Active Pen 2 |
| Integrated Options | Accelerometer, hall sensor, gyroscope, inclinometer | G-sensor, hall sensor, gyroscope |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete 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) | - |
| Features | RapidCharge, MIL-STD-810H tested | - |
| Compliant Standards | RoHS, low halogen, Energy-Related Products (ErP) Lot 3 | RoHS |
| 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 |
Limited warranty - 1 year - pick-up and return |
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