In depth comparison and review of Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) and Lenovo ThinkPad X1 Carbon (7th Gen). 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 ThinkPad X1 Carbon (7th Gen) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust build quality
excellent keyboard
impressive battery life
fast performance
limited storage capacity
average graphics
no HDMI port
higher price point
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Product Type | Tablet - with detachable keyboard | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | - | 32.3 cm x 21.7 cm x 1.495 cm |
| Dimensions (WxDxH) - tablet | 29.15 cm x 20.95 cm x 0.845 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 |
- |
| Weight | 770 g | 1.09 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium alloy | Carbon fibre, magnesium alloy |
| Colour | Black | - |
| DISPLAY | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Screen Size (Type) | 12" - IPS | 14" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2160 x 1440 (Full HD Plus) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 16:9 |
| Image Brightness | 360 cd/m² | 400 cd/m² |
| Colour Gamut | - | 72% |
| Features | Glossy, Corning Gorilla glass, WideView, anti-fingerprint | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| CPU | Intel Core i5 (7th Gen) 7Y57 / 1.2 GHz | Intel Core i7 (8th Gen) 8665U / 1.9 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 4.8 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 8 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 (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR3 SDRAM |
| Speed | 1866 MHz | 2133 MHz |
| Rated Speed | 1866 MHz | 2133 MHz |
| STORAGE | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Intel | 512 GB SSD M.2 2280 |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 615 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes | Yes - 720p |
| Resolution | 8 Megapixel (rear), 2 Megapixel (front) | - |
| Camera Features | Rear camera with auto focus, rear camera with flash | ThinkShutter camera privacy |
| Video Resolutions | 1080p | - |
| Sound | Stereo speakers, three microphones | Four speakers, quad array microphone |
| Codec | Realtek ALC3268 | Realtek ALC3286 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | M.2 Card | - |
| Features | - | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
| WWAN |
|---|
| Generation | 4G | 4G upgradable |
|---|---|---|
| Technology | LTE Advanced | - |
| Controller | Sierra Wireless EM7455 | - |
| BATTERY | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Technology | 2-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | - |
| Battery Life | Up to 10 hours | - |
| AC ADAPTER | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 15 / 20 V | - |
| INPUT | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Type | Keyboard, digitizer, TrackPoint, digital pen, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Volume control, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Slots | 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 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector Dock |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon (7th Gen) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| Included Accessories | Keyboard, ThinkPad Pen Pro, USB-C power adapter, pen holder | USB-C power adapter |
| Cables Included | Mini DisplayPort-VGA adapter | - |
| Integrated Options | 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, 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 | Reset switch, MIL-STD-810G tested | - |
| Compliant Standards | RoHS, GREENGUARD, low halogen | ISO 9001, ISO 14001, ISO 27001, GDPR |
| Manufacturer Warranty | - | Limited warranty - 2 years - pick-up and return |
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