In depth comparison and review of Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) and Lenovo Miix 520-12IKB (Lenovo Miix 520). 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Product Type | Tablet - with detachable keyboard | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) - tablet | 29.15 cm x 20.95 cm x 0.845 cm | 30 cm x 20.5 cm x 0.99 cm |
| Dimensions (WxDxH) / Weight Details | 29.15 cm x 20.95 cm x 0.845 cm / 770 g - tablet 29.15 cm x 20.95 cm x 1.415 cm / 1.07 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 | 770 g | 880 g |
| Case Material | Glass-fibre reinforced plastic, magnesium alloy | Magnesium-aluminum alloy |
| Colour | Black | Iron grey |
| DISPLAY | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Screen Size (Type) | 12" - IPS | 12.2" - 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 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 16:10 |
| Image Brightness | 360 cd/m² | 320 cd/m² |
| Features | Glossy, Corning Gorilla glass, WideView, anti-fingerprint | - |
| PROCESSOR | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| CPU | Intel Core i5 (7th Gen) 7Y57 / 1.2 GHz | Intel Core i3 (7th Gen) 7130U / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | - |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 4 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Hyper-Threading Technology, integrated memory controller, Intel Smart Cache |
| MEMORY | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| 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 | 1866 MHz | 2133 MHz |
| STORAGE | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Intel | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 615 | Intel HD Graphics 620 |
|---|---|---|
| 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 | Rear camera with auto focus |
| Video Resolutions | 1080p | - |
| Sound | Stereo speakers, three microphones | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3268 | - |
| Compliant Standards | - | High Definition Audio, Dolby Audio X2 |
| COMMUNICATIONS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Dual Band Wireless-AC 8265 - M.2 Card |
| WWAN |
|---|
| Generation | 4G | 4G |
|---|---|---|
| Technology | LTE Advanced | WCDMA, LTE, FDD LTE |
| Controller | Sierra Wireless EM7455 | FIBOCOM L831-EAU |
| BATTERY | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Technology | 2-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 39 Wh |
| Battery Life | Up to 10 hours | Up to 8 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 15 / 20 V | 45 Watt, 20 V, 2.25 A |
| INPUT | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| 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 (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | USB-C 3.1 Gen 1 (Power Delivery 2.0) USB 3.1 Gen 1/USB 3.0 Mini DisplayPort Dock Headphone/microphone combo jack VGA (on supplied adapter) |
USB 3.0 USB-C 3.1 Gen 1 (supports DisplayPort, VGA, HDMI) Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo Miix 520-12IKB (Lenovo Miix 520) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Keyboard, ThinkPad Pen Pro, USB-C power adapter, pen holder | Power adapter, keyboard, Lenovo Active Pen 2 |
| Cables Included | Mini DisplayPort-VGA adapter | - |
| Integrated Options | Ambient light sensor, 3-axis gyro sensor, digital compass, 3-axis accelerometer | Gyro sensor, G-sensor, hall sensor, inertial measurement unit (IMU) |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Reset switch, MIL-STD-810G tested | - |
| Compliant Standards | RoHS, GREENGUARD, low halogen | RoHS |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 12IKB 20M3 |
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