Detailed comparison and review of ASUS VivoBook 15 (X515FA) and ASUS ZenBook S UX391UA (ET053R). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
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
Advantages and disadvantages of ASUS ZenBook S UX391UA (ET053R) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
ample storage options
good graphic capabilities
average battery life
dim display brightness
limited viewing angles
no backlit keyboard
| DESIGN AND DIMENSIONS | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 1.99 cm | 31.1 cm x 21.3 cm x 1.29 cm |
| Weight | 1.8 kg | 1 kg |
| Case Material | Plastic | - |
| Colour | Transparent silver (LCD cover), transparent silver (top), slate grey (bottom) | Deep dive blue |
| DISPLAY | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Screen Size (Type) | 15.6" | 13.3" |
|---|---|---|
| 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 | - |
| Colour Gamut | 45% NTSC | 72% NTSC |
| Features | Anti-glare | Anti-glare, 178° horizontal and vertical viewing angle |
| PROCESSOR | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| CPU | Intel Core i3 (10th Gen) 10110U / 2.1 GHz | Intel Core i7 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.1 GHz | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | 4 MB | - |
| 64-bit Computing | - | Yes |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
| MEMORY | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| RAM | 8 GB (1 x 4 GB + 4 GB (soldered)) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR3 SDRAM |
| Speed | - | 2133 MHz |
| Rated Speed | - | 2133 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 3.0 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe |
|---|
| AUDIO & VIDEO | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Sound | Stereo speakers, microphone | Harman/kardon stereo speakers, array microphone |
| Audio Features | ASUS SonicMaster | ASUS SonicMaster |
| COMMUNICATIONS | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Features | Single stream (1x1) | - |
| BATTERY | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Technology | 2-cell Lithium Ion | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 37 Wh | 50 Wh |
| Battery Life | - | Up to 13.5 hours |
| AC ADAPTER | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| 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 |
| INPUT | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard, 1.4mm travel distance | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| 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 |
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) |
| SOFTWARE | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS VivoBook 15 (X515FA) | ASUS ZenBook S UX391UA (ET053R) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Fingerprint reader |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | System password, hard drive password | - |
| Repairability Index | 5.9 (out of 10) | - |
| ENERGY STAR Certified | Yes | - |
| Model Number | EJ105W | - |
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