In depth comparison and review of Lenovo ThinkPad X1 Extreme Gen 3 (20TK) and Lenovo ThinkPad T15g Gen 1 (20US). 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 Extreme Gen 3 (20TK) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful i7 processor
high-resolution display
robust build quality
ample connectivity options
good thermal management
heavy chassis
expensive price point
average battery life
noisy under load
Advantages and disadvantages of Lenovo ThinkPad T15g Gen 1 (20US) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful graphics capabilities
robust build quality
high-resolution display
advanced security features
good thermal management
heavy and bulky
expensive price point
average battery life
limited color accuracy
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.18 cm x 24.57 cm x 1.84 cm | 37.54 cm x 25.23 cm x 3.145 cm |
| Weight | 1.7 kg | 2.74 kg |
| Case Material | Glass-fibre reinforced plastic, carbon fibre reinforced plastic, aluminium alloy | Glass-fibre, glass-fibre reinforced plastic, polyphenylene sulfide |
| Colour | Black weave | Black |
| DISPLAY | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 600 cd/m² | 300 cd/m² |
| Colour Gamut | 100% Adobe RGB | 72% NTSC |
| Features | Anti-glare, Wide Viewing Angle, HDR (high dynamic range), 178° viewing angle, Dolby Vision | Anti-glare, 160° viewing angle, 72% NTSC colour gamut |
| PROCESSOR | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| CPU | Intel Core i7 (10th Gen) 10750H / 2.6 GHz | Intel Core i7 (10th Gen) 10850H / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 5 GHz | 5.1 GHz |
| Number of Cores | 6-core | 6-core |
| Cache | 12 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel WM490 | Mobile Intel WM490 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| RAM | 16 GB (1 x 16 GB) | 16 GB (1 x 16 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 128 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM - non-ECC |
| Speed | 2933 MHz | 2933 MHz |
| Rated Speed | 3200 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 4 |
| Empty Slots | 1 | 3 |
| STORAGE | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - SK Hynix |
|---|---|---|
| RAID Level | - | RAID 0, RAID 1 |
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1650 Ti / Intel UHD Graphics | NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics |
| Video Memory | 4 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | Max-Q design | Max-Q design |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | IR camera, ThinkShutter camera privacy | Fixed focus, ThinkShutter camera privacy |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3286 | Realtek ALC3286 |
| Compliant Standards | High Definition Audio, Dolby Atmos | Dolby Atmos |
| Audio Features | 3-magnet speakers | - |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | Intel Wi-Fi 6 AX 201 | Intel Wi-Fi 6 AX 201 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Dual stream (2x2) | - |
| BATTERY | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Technology | Lithium Ion | 6-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 80 Wh | 94 Wh |
| Battery Life | Up to 15.6 hours | Up to 16.4 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt | 230 Watt, 20 V |
| INPUT | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Slots | - | 2 x M.2 Card (1 free) |
|---|---|---|
| Interfaces | USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) 2 x USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 HDMI Headphone/microphone combo jack LAN |
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card) | Yes (SD Card) |
| SOFTWARE | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme Gen 3 (20TK) | Lenovo ThinkPad T15g Gen 1 (20US) |
|---|
| Included Accessories | Power adapter, Lenovo USB-C to Ethernet Adapter | Power adapter |
|---|---|---|
| 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 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | RoHS | RoHS |
| SAR Value | 2.512 W/kg (body), 0.967 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | EPEAT Gold |
| TCO Certified | TCO Certified Notebooks 8 | TCO Certified Notebooks 8 |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return Limited warranty - battery - 1 year |
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