In depth comparison and review of Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) 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 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 X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Product Type | Tablet - with detachable keyboard | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) - tablet | 30.41 cm x 22.6 cm x 0.89 cm | 30 cm x 20.5 cm x 0.99 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 1.51 cm / 1.27 kg - tablet with keyboard |
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 | 890 g | 880 g |
| Case Material | Aluminum, magnesium alloy | Magnesium-aluminum alloy |
| Colour | Black | Platinum |
| DISPLAY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Screen Size (Type) | 13" - IPS | 12.2" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 3000 x 2000 (QHD+) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 16:10 |
| Image Brightness | 400 cd/m² | 320 cd/m² |
| Features | Glossy, Corning Gorilla glass, WideView, anti-fingerprint | Glossy |
| PROCESSOR | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 1866 MHz | 2133 MHz |
| Rated Speed | 2133 MHz | 2133 MHz |
| STORAGE | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) - Samsung | 256 GB SSD M.2 PCIe |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | 8 Megapixel (rear), 2 Megapixel (front) | 8 Megapixel (rear), 5 Megapixel (front) |
| Camera Features | IR camera, rear camera with auto focus, rear camera with flash | Rear camera with auto focus, front camera with fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3278 | - |
| Compliant Standards | - | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | M.2 Card |
| Features | - | Dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | UMTS, HSPA, HSPA+, DC-HSPA+, LTE Advanced | - |
| Controller | Sierra Wireless EM7455 | - |
| BATTERY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Technology | Lithium Ion | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 39 Wh |
| Battery Life | Up to 9.5 hours | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt |
| INPUT | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Volume control, multi-touch touchpad, buttonless touchpad | Multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | - |
|---|---|---|
| Interfaces | 2 x USB-C 3.1 Gen 1 (Power Delivery 3.0) Pogo keyboard connector Headphone/microphone combo jack |
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, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo Miix 520-12IKB (81CG) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Keyboard, ThinkPad Pen Pro, USB-C power adapter, pen holder | Power adapter, keyboard, Lenovo Active Pen 2 |
| Integrated Options | Ambient light sensor, 3-axis gyro sensor, 3-axis accelerometer, 3-axis compass | 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 mini security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Reset switch, MIL-STD-810G tested | - |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS, GREENGUARD, low halogen | RoHS |
| SAR Value | 1.51 W/kg (body), 1.51 W/kg (limb) | - |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
Limited warranty - 1 year - pick-up and return |
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