Detailed comparison and review of Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Product Type | Ultrabook | Tablet - with detachable keyboard |
|---|---|---|
| Dimensions (WxDxH) | 32.35 cm x 21.71 cm x 1.595 cm | - |
| Dimensions (WxDxH) - tablet | - | 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 |
| Weight | 1.13 kg | 890 g |
| Case Material | Glass-fibre reinforced plastic, magnesium alloy, carbon fibre reinforced plastic, polyphenylene sulfide | Aluminum, magnesium alloy |
| Colour | - | Black |
| DISPLAY | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Screen Size (Type) | 14" | 13" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | - | 3000 x 2000 (QHD+) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 3:2 |
| Image Brightness | - | 400 cd/m² |
| Features | Anti-glare | Glossy, Corning Gorilla glass, WideView, anti-fingerprint |
| PROCESSOR | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
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| CPU | No CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| 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 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| RAM | (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR3 SDRAM |
| Speed | 2133 MHz | 1866 MHz |
| Rated Speed | 2133 MHz | 2133 MHz |
| STORAGE | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Main Storage Size (HDD/SSD) | - | 256 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Graphics Processor (GPU) | - | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes |
| Resolution | - | 8 Megapixel (rear), 2 Megapixel (front) |
| Camera Features | - | IR camera, rear camera with auto focus, rear camera with flash |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3286 | Realtek ALC3278 |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | - |
| COMMUNICATIONS | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| 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 | Intel Dual Band Wireless-AC 8265 - M.2 Card |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | - |
| WWAN |
|---|
| Generation | - | 4G |
|---|---|---|
| Technology | - | UMTS, HSPA, HSPA+, DC-HSPA+, LTE Advanced |
| Controller | - | Sierra Wireless EM7455 |
| BATTERY | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Technology | 3-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 42 Wh |
| Battery Life | Up to 19.3 hours | Up to 9.5 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt |
| INPUT | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, TrackPoint, digital pen, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Volume control, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Slots | - | 1 x Nano-SIM card (1 free) |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector Dock |
2 x USB-C 3.1 Gen 1 (Power Delivery 3.0) Pogo keyboard connector Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSDXC UHS-II) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Operating System (OS) | No operating system | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Carbon (6th Gen) (20KH) | Lenovo ThinkPad X1 Tablet (3rd Gen) (20KJ) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Power adapter | 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 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Reset switch, MIL-STD-810G tested |
| Navigation Receiver | - | GPS |
| Compliant Standards | RoHS | RoHS, GREENGUARD, low halogen |
| SAR Value | 1.514 W/kg (body), 1.514 W/kg (limb) | 1.51 W/kg (body), 1.51 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | - | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
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