In depth comparison and review of ASUS VivoBook 15 (X515FA) 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.
Advantages and disadvantages of ASUS VivoBook 15 (X515FA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid state drive
full hd display
decent processor
average battery life
limited graphics performance
no backlit keyboard
basic audio quality
| DESIGN AND DIMENSIONS | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 1.99 cm | 36.9 cm x 25.2 cm x 1.995 cm |
| Weight | 1.8 kg | 2.1 kg |
| Case Material | Plastic | Aluminum, polycarbonate ABS |
| Colour | Transparent silver (LCD cover), transparent silver (top), slate grey (bottom) | Black |
| DISPLAY | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Screen Size (Type) | 15.6" | 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 | 200 cd/m² | 250 cd/m² |
| Colour Gamut | 45% NTSC | - |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i5 (8th Gen) 8250U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 3.4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | 6 MB |
| 64-bit Computing | - | Yes |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | Integrated memory controller |
| MEMORY | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 2400 MHz |
| Rated Speed | - | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 - NVM Express (NVMe) | 128 GB SSD M.2 PCIe - NVM Express (NVMe) - Toshiba |
|---|
| AUDIO & VIDEO | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - 720p |
| Sound | Stereo speakers, microphone | Stereo speakers, dual array microphone |
| Codec | - | CX11852 |
| Compliant Standards | - | High Definition Audio, Dolby Advanced Audio |
| Audio Features | ASUS SonicMaster | - |
| COMMUNICATIONS | ASUS VivoBook 15 (X515FA) | 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 | - | Intel Dual Band Wireless-AC 3165 - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| Features | Single stream (1x1) | - |
| BATTERY | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 45 Wh |
| Battery Life | - | Up to 12.23 hours |
| AC ADAPTER | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 65 Watt, 20 V, 3.25 A |
| INPUT | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Features | Chiclet keyboard, 1.4mm travel distance | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Slots | 1 x M.2 (PCI Express 3.0 x4) (0 free) | - |
|---|---|---|
| Interfaces | Headphone/microphone combo jack 2 x USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 HDMI |
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 | - | Yes (microSD) |
| SOFTWARE | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS VivoBook 15 (X515FA) | Lenovo ThinkPad E580 (20KT) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) 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 | System password, hard drive password | Administrator password, hard drive password, power-on password |
| Compliant Standards | - | RoHS |
| SAR Value | - | 0.579 W/kg (body), 0.579 W/kg (limb) |
| Repairability Index | 5.9 (out of 10) | - |
| ENERGY STAR Certified | Yes | Yes |
| Model Number | EJ105W | - |
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