In depth comparison and review of ASUS ZenBook S UX391UA (ET087T) and Lenovo ThinkPad E585 (20KV). 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 | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.1 cm x 21.3 cm x 1.29 cm | 36.9 cm x 25.2 cm x 1.995 cm |
| Weight | 1 kg | 2.1 kg |
| Case Material | - | Aluminum |
| Colour | Deep dive blue | Black |
| DISPLAY | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Screen Size (Type) | 13.3" | 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 | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | - |
| Features | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle | Anti-glare |
| PROCESSOR | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| CPU | Intel Core i7 (8th Gen) 8550U / 1.8 GHz | AMD Ryzen 5 2500U / 2 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.6 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 32 GB |
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | 2400 MHz |
| Rated Speed | 2133 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 2 |
| Empty Slots | - | 1 |
| STORAGE | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 SATA 6Gb/s | 256 GB SSD M.2 PCIe - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | AMD Radeon Vega 8 |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| Sound | Harman/kardon stereo speakers, array microphone | Stereo speakers, dual array microphone |
| Codec | - | CX11852 |
| Compliant Standards | - | High Definition Audio, Dolby Advanced Audio |
| Audio Features | ASUS SonicMaster | - |
| COMMUNICATIONS | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | - | Qualcomm 435-AC - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek R8111GUS |
| BATTERY | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Technology | 4-cell | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 45 Wh |
| Battery Life | Up to 13.5 hours | Up to 8.63 hours |
| AC ADAPTER | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V | 65 Watt |
| INPUT | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Spill-resistant, multi-touch touchpad |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Interfaces | Headphone/microphone combo jack USB-C 3.1 Gen 1 (Power Delivery/data/video) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3) (Power Delivery/data/video) |
USB 3.1 USB 3.1 (Always On) USB 2.0 HDMI LAN USB-C 3.1 Gen 2 (Power Delivery/data/video) Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Pro 64-bit Edition |
|---|---|---|
| Software Included | - | Lenovo Companion, McAfee LiveSafe (30 days trial), PC Manager |
| MISCELLANEOUS | ASUS ZenBook S UX391UA (ET087T) | Lenovo ThinkPad E585 (20KV) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | - |
| 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 |
| ENERGY STAR Certified | - | Yes |
| Manufacturer Warranty | - | Limited warranty - 1 year - pick-up and return |
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