Side by side comparison and review of Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) and Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK). 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Product Type | Tablet - with detachable keyboard | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) - tablet | 30.41 cm x 22.6 cm x 0.89 cm | 30.41 cm x 22.6 cm x 0.89 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 |
30.41 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 |
| Weight | 890 g | 890 g |
| Case Material | Aluminum, magnesium alloy | Magnesium-aluminum alloy |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Screen Size (Type) | 13" - IPS | 13" - 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+) | 3000 x 2000 (QHD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 3:2 |
| Image Brightness | 400 cd/m² | 400 cd/m² |
| Features | Glossy, Corning Gorilla glass, WideView, anti-fingerprint | Glossy, Corning Gorilla glass, WideView, anti-fingerprint |
| PROCESSOR | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | No CPU |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | - |
| Number of Cores | Quad-Core | - |
| Cache | 6 MB | - |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| RAM | 8 GB (provided memory is soldered) | 0 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR3 SDRAM |
| Speed | 1866 MHz | 1866 MHz |
| Rated Speed | 2133 MHz | 2133 MHz |
| STORAGE | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) - Samsung | - |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | 8 Megapixel (rear), 2 Megapixel (front) | 8 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | IR camera, rear camera with auto focus, rear camera with flash | Rear camera with auto focus, rear camera with flash |
| Sound | Stereo speakers, two microphones | Stereo speakers, two microphones |
| Codec | Realtek ALC3278 | Realtek ALC3278 |
| COMMUNICATIONS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | - |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | - |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | UMTS, HSPA, HSPA+, DC-HSPA+, LTE Advanced | - |
| Controller | Sierra Wireless EM7455 | - |
| BATTERY | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Technology | Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 42 Wh |
| Battery Life | Up to 9.5 hours | Up to 9.5 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | - |
| INPUT | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Volume control, multi-touch touchpad, buttonless touchpad | Volume control, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| 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 |
2 x USB-C 3.1 Gen 1 (supports Thunderbolt 3) (Power Delivery 3.0) Headphone/microphone combo jack Pogo keyboard connector |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD, microSDHC, microSDXC, microSDXC UHS) |
| SOFTWARE | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | No operating system |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KK) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Keyboard, ThinkPad Pen Pro, USB-C power adapter, pen holder | Keyboard, USB-C power adapter |
| Integrated Options | Ambient light sensor, 3-axis gyro sensor, 3-axis accelerometer, 3-axis compass | Ambient light sensor, 3-axis gyro sensor, digital compass, 3-axis accelerometer |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington mini security slot | Kensington mini 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 | Reset switch, MIL-STD-810G tested, built-in easel kickstand |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS, GREENGUARD, low halogen | RoHS, GREENGUARD, low halogen |
| SAR Value | 1.51 W/kg (body), 1.51 W/kg (limb) | 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 |
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