Detailed comparison and review of Lenovo ThinkPad X1 Tablet (1st Gen) and Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ). 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
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Product Type | Tablet - with detachable keyboard | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) - tablet | 29.15 cm x 20.95 cm x 1.3 cm | 30.41 cm x 22.6 cm x 0.89 cm |
| Dimensions (WxDxH) / Weight Details | 29.15 cm x 20.95 cm x 1.3 cm / 1.1 kg - keyboard dock | 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 |
| Weight | 795 g | 890 g |
| Case Material | - | Aluminum, magnesium alloy |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Screen Size (Type) | 12" - IPS | 13" - 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) | 3000 x 2000 (QHD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 3:2 |
| Image Brightness | - | 400 cd/m² |
| Features | - | Glossy, Corning Gorilla glass, WideView, anti-fingerprint |
| PROCESSOR | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| CPU | Intel Core m7 (6th Gen) 6Y75 / 1.2 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.1 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | - | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR3 SDRAM |
| Speed | - | 1866 MHz |
| Rated Speed | - | 2133 MHz |
| STORAGE | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 | 256 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 515 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes |
| Resolution | 8 Megapixel (rear), 2 Megapixel (front) | 8 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | Rear camera with flash | IR camera, rear camera with auto focus, rear camera with flash |
| Sound | Speaker | Stereo speakers, two microphones |
| Codec | - | Realtek ALC3278 |
| COMMUNICATIONS | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Wireless | Bluetooth, 802.11a/b/g/n/ac, NFC, 802.11ad (WiGig) | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | Intel Dual Band Wireless-AC 8265 - M.2 Card |
| WWAN |
|---|
| Generation | 4G | 4G |
|---|---|---|
| Technology | UMTS, HSPA, HSPA+, DC-HSPA+, LTE Advanced | UMTS, HSPA, HSPA+, DC-HSPA+, LTE Advanced |
| Controller | Sierra Wireless EM7455 | Sierra Wireless EM7455 |
| BATTERY | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Technology | 2-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 42 Wh |
| Battery Life | Up to 10 hours | Up to 9.5 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Input | - | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 20 V, 2.25 A | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, digitizer, TrackPoint, digital pen, UltraNav |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | - | Volume control, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Slots | 1 x Nano-SIM card (1 free) | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | USB 3.0 USB-C Mini DisplayPort Dock Headphone/microphone combo jack |
2 x USB-C 3.1 Gen 1 (Power Delivery 3.0) Pogo keyboard connector Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Tablet (1st Gen) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter, keyboard | Keyboard, ThinkPad Pen Pro, USB-C power adapter, pen holder |
| Integrated Options | - | Ambient light sensor, 3-axis gyro sensor, 3-axis accelerometer, 3-axis compass |
| 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 mini security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | MIMO technology | Reset switch, MIL-STD-810G tested |
| Navigation Receiver | GPS | GPS |
| Compliant Standards | - | RoHS, GREENGUARD, low halogen |
| SAR Value | - | 1.51 W/kg (body), 1.51 W/kg (limb) |
| Manufacturer Warranty | Limited warranty - 2 years | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
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