In depth comparison and review of Lenovo ThinkPad A275 (20KD) and Lenovo ThinkPad E580 (20KT). 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 30.55 cm x 20.85 cm x 2.03 cm | 36.9 cm x 25.2 cm x 1.995 cm |
| Weight | 1.36 kg | 2.1 kg |
| Case Material | Glass-fibre reinforced plastic | Aluminum, polycarbonate ABS |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Screen Size (Type) | 12.5" - TN | 15.6" - 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 |
| PROCESSOR | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| CPU | AMD A10 PRO-8730B / 2.4 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.3 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 2 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 16 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 1866 MHz | 2400 MHz |
| Rated Speed | 2400 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD 2.5" (7 mm) SATA | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Toshiba |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Graphics Processor (GPU) | AMD Radeon R5 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3268 | CX11852 |
| Compliant Standards | High Definition Audio | High Definition Audio, Dolby Advanced Audio |
| COMMUNICATIONS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Realtek RTL8822BE - M.2 Card | Intel Dual Band Wireless-AC 3165 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111EPV | Realtek R8111GUS |
| WWAN |
|---|
| Generation | 4G | - |
|---|---|---|
| Technology | LTE Advanced | - |
| Controller | Sierra Wireless EM7455 - M.2 Card | - |
| BATTERY | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Technology | 3-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Installed Qty | 2 | - |
| Battery Capacity (Size) | 23 Wh | 45 Wh |
| Battery Life | Up to 10.1 hours | Up to 12.23 hours |
| AC ADAPTER | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 65 Watt, 20 V, 3.25 A |
| INPUT | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| 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 A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Slots | 1 x Micro-SIM card (1 free) | - |
|---|---|---|
| Interfaces | USB 3.1 Gen 1/USB 3.0 USB 3.1 Gen 1/USB 3.0 (Always On) USB-C 3.1 Gen 1 HDMI LAN Headphone/microphone combo jack |
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 |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (microSD) |
| SOFTWARE | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Operating System (OS) | FreeDOS | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad A275 (20KD) | Lenovo ThinkPad E580 (20KT) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM 2.0) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| 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 |
| Navigation Receiver | GPS | - |
| Compliant Standards | RoHS | RoHS |
| SAR Value | - | 0.579 W/kg (body), 0.579 W/kg (limb) |
| ENERGY STAR Certified | Yes | Yes |
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