Side by side comparison and review of Lenovo ThinkPad E580 (20KS) and Lenovo ThinkPad T490. 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 T490 based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
good security features
reliable performance
average display quality
limited graphics power
noisy under load
heavier than competitors
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.9 cm x 25.2 cm x 1.995 cm | - |
| Weight | 2.1 kg | - |
| Case Material | Aluminum, polycarbonate ABS | - |
| Colour | Black | - |
| DISPLAY | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | - |
| Image Brightness | 250 cd/m² | - |
| Features | Anti-glare | - |
| PROCESSOR | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| CPU | Intel Core i3 (8th Gen) 8130U / 2.2 GHz | Intel Core i5 (8th Gen) 8365U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 4.1 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Integrated memory controller | - |
| MEMORY | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | - |
| Speed | 2400 MHz | - |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | - |
| Sound | Stereo speakers, dual array microphone | - |
| Codec | CX11852 | - |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio | - |
| COMMUNICATIONS | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | - |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 3165 - M.2 Card | - |
| Network Interface | Gigabit Ethernet | - |
| Ethernet Controller | Realtek R8111GUS | - |
| BATTERY | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Technology | Lithium Ion | - |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | - |
| Battery Life | Up to 12.23 hours | - |
| AC ADAPTER | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 65 Watt | - |
| INPUT | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | - |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| 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 |
Dock |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Pro |
|---|---|---|
| Software Included | Lenovo Companion, McAfee LiveSafe (30 days trial), PC Manager | - |
| MISCELLANEOUS | Lenovo ThinkPad E580 (20KS) | Lenovo ThinkPad T490 |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | USB-C power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | Administrator password, hard drive password, power-on password | - |
| Compliant Standards | RoHS | ISO 9001, ISO 14001, ISO 27001, GDPR |
| SAR Value | 0.579 W/kg (body), 0.579 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |
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