In depth comparison and review of Lenovo ThinkPad E580 (20KS) and Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520). 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 E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.9 cm x 25.2 cm x 1.995 cm | 37.8 cm x 26 cm x 2.2 cm |
| Weight | 2.1 kg | 2.2 kg |
| Case Material | Aluminum, polycarbonate ABS | Metal |
| Colour | Black | Gold |
| DISPLAY | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - 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 |
| PROCESSOR | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| CPU | Intel Core i3 (8th Gen) 8130U / 2.2 GHz | Intel Core i5 (7th Gen) 7200U / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 3.4 GHz | 3.1 GHz |
| Number of Cores | Dual-Core | Dual-Core |
| Cache | 4 MB | 3 MB |
| 64-bit Computing | Yes | Yes |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| RAM | 4 GB (1 x 4 GB) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 32 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 2133 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Main Storage Size (HDD/SSD) | 128 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD 2.5" SATA 6Gb/s |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce 940MX / Intel HD Graphics 620 |
| Video Memory | - | 2 GB GDDR5 SDRAM |
| Camera | Yes - 720p | Yes - 720p |
| Resolution | - | 1 Megapixel |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | CX11852 | - |
| Compliant Standards | High Definition Audio, Dolby Advanced Audio | High Definition Audio, Dolby Audio |
| Audio Features | - | Harman audio technology |
| COMMUNICATIONS | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Dual Band Wireless-AC 3165 - M.2 Card | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek R8111GUS | - |
| BATTERY | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Technology | Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 45 Wh | 30 Wh |
| Battery Life | Up to 12.23 hours | Up to 6 hours |
| AC ADAPTER | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | - |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| 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-C 3.0 2 x USB 3.0 HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 10 Home 64-bit Edition - English |
|---|---|---|
| Software Included | Lenovo Companion, McAfee LiveSafe (30 days trial), PC Manager | - |
| MISCELLANEOUS | Lenovo ThinkPad E580 (20KS) | Lenovo IdeaPad 520-15IKB (Lenovo IdeaPad 520) |
|---|
| 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 | Kensington mini 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 |
| Compliant Standards | RoHS | RoHS |
| SAR Value | 0.579 W/kg (body), 0.579 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | Yes |
| Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | Limited warranty - 1 year - pick-up and return |
| Model Number | - | 15IKB 80YL |
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