Detailed comparison and review of Lenovo ThinkPad X280 (20KF) and Lenovo ThinkPad E490 (20N8). 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 E490 (20N8) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
reliable performance
good security features
competitive price point
average battery life
modest display quality
no thunderbolt support
heavier design
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 30.77 cm x 20.98 cm x 1.78 cm | 32.9 cm x 24.2 cm x 1.99 cm |
| Weight | 1.26 kg | 1.75 kg |
| Case Material | Glass-fibre, magnesium-aluminum alloy | Aluminum, polycarbonate ABS |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Screen Size (Type) | 12.5" | 14" - IPS |
|---|---|---|
| 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 | 250 cd/m² |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| CPU | Intel Core i5 (8th Gen) 8250U / 1.6 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| 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 E490 (20N8) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | Conexant CX11880 |
| Compliant Standards | High Definition Audio, Dolby Audio Premium | High Definition Audio, Dolby Advanced Audio |
| COMMUNICATIONS | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 8265 - M.2 Card | Intel Dual Band Wireless-AC 9260 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter | - |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE | - |
| Controller | FIBOCOM L830-EB - M.2 Card | - |
| BATTERY | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Technology | 6-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 48 Wh | 45 Wh |
| Battery Life | Up to 16.6 hours | Up to 13 hours |
| AC ADAPTER | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 65 Watt |
| INPUT | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Slots | Nano-SIM card | - |
|---|---|---|
| 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 2 USB 2.0 HDMI LAN Headphone/microphone combo jack |
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X280 (20KF) | Lenovo ThinkPad E490 (20N8) |
|---|
| Dockable | Yes | - |
|---|---|---|
| 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 |
| SAR Value | - | 0.47 W/kg (body), 0.47 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 3 years - pick-up and return | Limited warranty - 1 year - pick-up and return |
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