In depth comparison and review of Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) and Lenovo ThinkPad X1 Carbon Gen 9 (20XX). 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 Gen 9 (20XX) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
robust build quality
excellent keyboard feel
impressive battery life
fast ssd storage
high price point
average graphics performance
no HDMI port
limited color options
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| Product Type | Tablet - with detachable keyboard | Ultrabook |
|---|---|---|
| Dimensions (WxDxH) | - | 31.5 cm x 22.16 cm x 1.49 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 | 1.133 kg |
| Case Material | Glass-fibre reinforced plastic, magnesium alloy | Carbon fibre, magnesium alloy |
| Colour | Black | Black weave |
| DISPLAY | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| 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) | 3840 x 2400 (WQUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 3:2 | 16:10 |
| Image Brightness | 360 cd/m² | 500 cd/m² |
| Colour Gamut | - | 100% DCI-P3 |
| Features | Glossy, Corning Gorilla glass, WideView, anti-fingerprint | Glossy, Low Blue Light technology, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| CPU | Intel Core i5 (7th Gen) 7Y57 / 1.2 GHz | Intel Core i5 (11th Gen) 1145G7 / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 4.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 8 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR4X SDRAM |
| Speed | 1866 MHz | 4266 MHz |
| Rated Speed | 1866 MHz | 4266 MHz |
| STORAGE | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Intel | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Toshiba |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 615 | Intel Iris Xe Graphics |
|---|---|---|
| Memory Allocation Technology | - | Shared Video Memory (UMA) |
| Max Monitors Supported | - | 3 external monitor(s) |
| Camera | Yes | Yes - 720p |
| Resolution | 8 Megapixel (rear), 2 Megapixel (front) | - |
| Camera Features | Rear camera with auto focus, rear camera with flash | IR camera, fixed focus, ThinkShutter camera privacy |
| Video Resolutions | 1080p | - |
| Sound | Stereo speakers, three microphones | Four speakers, quad array microphone |
| Codec | Realtek ALC3268 | Realtek ALC3306 |
| Compliant Standards | - | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Wi-Fi 6 AX 201 |
| Network Interface | - | Gigabit Ethernet |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE Advanced | - |
| Controller | Sierra Wireless EM7455 | - |
| BATTERY | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| Technology | 2-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 57 Wh |
| Battery Life | Up to 10 hours | Up to 26 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 5 / 9 / 15 / 20 V | 65 Watt, 5 / 9 / 15 / 20 V |
| INPUT | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| 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, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| 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 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Tablet (2nd Gen) (20JB) | Lenovo ThinkPad X1 Carbon Gen 9 (20XX) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Keyboard, ThinkPad Pen Pro, USB-C power adapter, pen holder | USB-C power adapter, Lenovo USB-C to Ethernet 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 nano 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 | Administrator password, power-on password, RapidCharge, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS, GREENGUARD, low halogen | RoHS |
| ENERGY STAR Certified | - | Yes |
| EPEAT Compliant | - | EPEAT Gold |
| TCO Certified | - | TCO Certified Notebooks 8 |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
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