Detailed comparison and review of Lenovo ThinkPad X280 (20KF) and Lenovo ThinkPad T490s (20NX). 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.
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
DESIGN AND DIMENSIONS | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 30.77 cm x 20.98 cm x 1.78 cm | 32.9 cm x 22.615 cm x 1.67 cm |
Weight | 1.26 kg | 1.35 kg |
Case Material | Glass-fibre, magnesium-aluminum alloy | Magnesium alloy, carbon fibre reinforced plastic |
Colour | Black | Black |
DISPLAY | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Screen Size (Type) | 12.5" | 14" - IPS |
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Touchscreen | - | Yes (10-point multi-touch) |
LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | 220 cd/m² | 300 cd/m² |
Colour Gamut | - | 72% NTSC |
Features | Anti-glare | Anti-glare, on-cell touch technology, 170° viewing angle, 72% NTSC colour gamut |
PROCESSOR | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
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Max Turbo Speed | 3.4 GHz | 3.9 GHz |
Number of Cores | Quad-Core | Quad-Core |
Cache | 6 MB | 6 MB |
64-bit Computing | Yes | Yes |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
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RAM Type | DDR4 SDRAM | DDR4 SDRAM |
Speed | 2400 MHz | 2400 MHz |
Rated Speed | 2400 MHz | 2666 MHz |
STORAGE | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 256 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption - Toshiba |
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AUDIO & VIDEO | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
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Camera | Yes - 720p | Yes - 720p |
Camera Features | ThinkShutter camera privacy | IR camera, ThinkShutter camera privacy |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3287 |
Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Audio Premium |
COMMUNICATIONS | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
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Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | Intel Wireless-AC 9560 |
Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | Gigabit Ethernet via optional Ethernet (RJ-45) adapter |
WWAN |
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Generation | 4G | - |
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Technology | LTE | - |
Controller | FIBOCOM L830-EB - M.2 Card | - |
BATTERY | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Technology | 6-cell Lithium Ion | 3-cell Lithium Ion |
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Battery Capacity (Size) | 48 Wh | 57 Wh |
Battery Life | Up to 16.6 hours | Up to 20 hours |
AC ADAPTER | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
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Output | 65 Watt, 20 V, 3.25 A | 65 Watt, 5 / 9 / 15 / 20 V |
INPUT | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Slots | Nano-SIM card | - |
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Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB-C 3.1 Gen 1 USB-C 3.1 Gen 2 (supports Thunderbolt 3) HDMI Lenovo Ethernet extension connector Dock Headphone/microphone combo jack |
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 |
Memory Card Reader | Yes (microSD) | Yes (microSD) |
SOFTWARE | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition |
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MISCELLANEOUS | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad T490s (20NX) |
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Dockable | Yes | Yes |
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Included Accessories | USB-C power adapter | USB-C 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 mini 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 |
ENERGY STAR Certified | Yes | Yes |
EPEAT Compliant | - | EPEAT Gold |
Manufacturer Warranty | Limited warranty - 3 years - pick-up and return | - |