Side by side comparison and review of Lenovo ThinkPad T490s (20NX) and Lenovo ThinkPad X1 Extreme Gen 4 (20Y6). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad T490s (20NX) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
impressive battery life
lightweight design
good security features
average display brightness
limited graphics performance
no HDMI port
higher price point
Advantages and disadvantages of Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful processor performance
robust build quality
excellent 4k display
ample connectivity options
advanced security features
high price point
average battery life
heavier than competitors
noisy under load
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.9 cm x 22.615 cm x 1.67 cm | 35.95 cm x 25.38 cm x 1.77 cm |
| Weight | 1.35 kg | 1.81 kg |
| Case Material | Magnesium alloy, carbon fibre reinforced plastic | Carbon fibre hybrid (top), aluminium alloy (bottom) |
| Colour | Black | Black paint |
| DISPLAY | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Screen Size (Type) | 14" - IPS | 16" - IPS |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (WQUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 600 cd/m² |
| Colour Gamut | 72% NTSC | 100% Adobe RGB |
| Features | Anti-glare, on-cell touch technology, 170° viewing angle, 72% NTSC colour gamut | Anti-glare, HDR 400 compatible, Low Blue Light technology, 170° viewing angle, X-Rite Pantone factory color calibration, Dolby Vision |
| PROCESSOR | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i7 (11th Gen) 11850H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 4.8 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 6 MB | 24 MB |
| 64-bit Computing | Yes | - |
| Chipset | - | Intel WM590 |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 GB (2 x 16 GB) |
|---|---|---|
| Max RAM Supported | - | 64 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 3200 MHz |
| Rated Speed | 2666 MHz | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 0 |
| STORAGE | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Toshiba | 1 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Samsung |
|---|---|---|
| RAID Level | - | RAID 0, RAID 1 |
| AUDIO & VIDEO | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce RTX 3050 Ti / Intel UHD Graphics |
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Video System Features | - | Max-Q design, NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0 |
| Camera | Yes - 720p | Yes - 1080p |
| Camera Features | IR camera, ThinkShutter camera privacy | Privacy shutter, IR camera, Windows Hello, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | Realtek ALC3306 |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Atmos |
| COMMUNICATIONS | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 | Intel Wi-Fi 6E AX 210 |
| Network Interface | - | Gigabit Ethernet |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | - |
| BATTERY | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 90 Wh |
| Battery Life | Up to 20 hours | Up to 12.8 hours |
| AC ADAPTER | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 5 / 9 / 15 / 20 V | 170 Watt, 20 V |
| INPUT | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Slots | - | 2 x M.2 Card (1 free) |
|---|---|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Dock Headphone/microphone combo jack Lenovo Ethernet extension connector |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI Headphone/microphone combo jack LAN (on supplied adapter) |
| Memory Card Reader | Yes (microSD) | Yes (SD Card, SDXC UHS-II Card) |
| SOFTWARE | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T490s (20NX) | Lenovo ThinkPad X1 Extreme Gen 4 (20Y6) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter, Lenovo USB-C to Ethernet Adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS | RoHS, TCG Certified |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Gold | 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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