In depth comparison and review of Lenovo ThinkPad T580 and Lenovo ThinkPad T490 (20N3). 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 T580 based on its technical characteristics, features, user experience, expert reviews and price level.
flexible 360-degree hinge
affordable price point
lightweight design
solid battery life
chrome os integration
limited storage capacity
average display quality
fewer port options
moderate performance levels
Advantages and disadvantages of Lenovo ThinkPad T490 (20N3) 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
mediocre display color
limited storage capacity
no dedicated GPU
heavier than competitors
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.58 cm x 25.28 cm x 2.02 cm | 32.9 cm x 22.7 cm x 1.79 cm |
| Weight | 1.95 kg | 1.46 kg |
| Case Material | Glass-fibre reinforced plastic, polyphenylene sulfide | Glass-fibre, polyphenylene sulfide, polyamide |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| 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 | 400 cd/m² |
| Colour Gamut | - | 72% |
| Features | Anti-glare, 170° viewing angle | Anti-glare, 170° viewing angle, Low Power |
| PROCESSOR | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| 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 T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| RAM | 8 GB | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | 40 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2666 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Main Storage Size (HDD/SSD) | 240 GB SSD | 128 GB SSD M.2 2242 PCIe 3.0 x2 - SK Hynix |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | ThinkShutter camera privacy | 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 T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Wireless | Bluetooth, Wi-Fi | 802.11a/b/g/n/ac, Bluetooth 5.0 |
|---|---|---|
| Wireless Controller | - | Intel Wireless-AC 9560 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| BATTERY | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Technology | Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | - | 50 Wh |
| Battery Life | - | Up to 16.11 hours |
| AC ADAPTER | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt |
| INPUT | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| 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 LAN Headphone/microphone combo jack Dock |
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 LAN |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T580 | Lenovo ThinkPad T490 (20N3) |
|---|
| Dockable | Yes | Yes |
|---|---|---|
| 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, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested |
| Compliant Standards | ISO 9001, ISO 14001, ISO 27001 | RoHS |
| ENERGY STAR Certified | Yes | Yes |
| EPEAT Compliant | EPEAT Silver | EPEAT Gold |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | - |
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