In depth comparison and review of Lenovo ThinkPad E580 (20KT) and Lenovo ThinkPad E490 (20N8). 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 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 E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.9 cm x 25.2 cm x 1.995 cm | 32.9 cm x 24.2 cm x 1.99 cm |
| Weight | 2.1 kg | 1.75 kg |
| Case Material | Aluminum, polycarbonate ABS | Aluminum, polycarbonate ABS |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 250 cd/m² |
| Features | Anti-glare | Anti-glare, 170° viewing angle |
| PROCESSOR | Lenovo ThinkPad E580 (20KT) | 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 E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| RAM | 8 GB (1 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 32 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 1 | 1 |
| STORAGE | Lenovo ThinkPad E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Toshiba | 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | CX11852 | Conexant CX11880 |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio | High Definition Audio, Dolby Advanced Audio |
| COMMUNICATIONS | Lenovo ThinkPad E580 (20KT) | 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 3165 - M.2 Card | Intel Dual Band Wireless-AC 9260 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek R8111GUS | Realtek R8111GUS |
| BATTERY | Lenovo ThinkPad E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| Technology | 3-cell Lithium Ion | Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 45 Wh |
| Battery Life | Up to 12.23 hours | Up to 13 hours |
| AC ADAPTER | Lenovo ThinkPad E580 (20KT) | 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 E580 (20KT) | 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 E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) USB 2.0 HDMI LAN USB-C 3.1 Gen 2 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 E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E580 (20KT) | Lenovo ThinkPad E490 (20N8) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip | 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 | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | RoHS | RoHS |
| SAR Value | 0.579 W/kg (body), 0.579 W/kg (limb) | 0.47 W/kg (body), 0.47 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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