In depth comparison and review of ASUS ZenBook S UX391UA (ET087T) and ASUS Vivobook Go 15 (E1504FA). 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 ZenBook S UX391UA (ET087T) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
decent processor performance
ample storage capacity
good keyboard layout
average display quality
no backlit keyboard
limited graphics performance
mediocre battery life
Advantages and disadvantages of ASUS Vivobook Go 15 (E1504FA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
decent battery life
solid build quality
good connectivity options
mediocre display resolution
limited storage capacity
average processor performance
no backlit keyboard
| DESIGN AND DIMENSIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.1 cm x 21.3 cm x 1.29 cm | 36.03 cm x 23.25 cm x 1.79 cm |
| Weight | 1 kg | 1.63 kg |
| Case Material | - | Plastic |
| Colour | Deep dive blue | Cool silver |
| DISPLAY | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Screen Size (Type) | 13.3" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 250 cd/m² |
| Colour Gamut | 72% NTSC | 45% NTSC |
| Features | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle | Anti-glare, 84% screen-to-body ratio |
| PROCESSOR | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| CPU | Intel Core i7 (8th Gen) 8550U / 1.8 GHz | AMD Ryzen 5 7520U / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.3 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | L3 - 4 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | LPDDR5 SDRAM |
| Speed | 2133 MHz | - |
| Rated Speed | 2133 MHz | - |
| STORAGE | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 SATA 6Gb/s | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | AMD Radeon 610M |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| Camera Features | - | Privacy shutter, ASUS 3D Noise Reduction (3DNR) Technology |
| Sound | Harman/kardon stereo speakers, array microphone | Dual speakers, array microphone |
| Audio Features | ASUS SonicMaster | Output: ASUS SonicMaster, Audio by DTS; Input: AI noise cancelling |
| COMMUNICATIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Features | - | Single stream (1x1) |
| BATTERY | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Technology | 4-cell | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 42 Wh |
| Battery Life | Up to 13.5 hours | - |
| AC ADAPTER | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V | 45 Watt, 19 V, 2.37 A |
| INPUT | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | - | Precision touchpad, chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| 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) |
HDMI 1.4 Headphone/microphone combo jack USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 |
|---|
| SOFTWARE | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Home Plus in S mode |
|---|---|---|
| Software Included | - | MyASUS, Microsoft 365 (1 month trial), GlideX |
| MISCELLANEOUS | ASUS ZenBook S UX391UA (ET087T) | ASUS Vivobook Go 15 (E1504FA) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | - | MIL-STD-810H tested, BIOS protection |
| Compliant Standards | - | RoHS, REACH, TUV Rheinland, Energy Star 8.0 |
| Model Number | - | NJ649W |
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