In depth comparison and review of ASUS ZenBook S UX391UA (ET087T) and ASUS Zenbook Pro 14 Duo OLED (UX8402VU). 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 Zenbook Pro 14 Duo OLED (UX8402VU) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
superb oled display
powerful performance setup
premium build quality
advanced connectivity options
higher price point
moderate battery life
heavier than competitors
complex for some users
| DESIGN AND DIMENSIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.1 cm x 21.3 cm x 1.29 cm | 32.25 cm x 22.47 cm x 1.96 cm |
| Weight | 1 kg | 1.75 kg |
| Colour | Deep dive blue | Tech black |
| DISPLAY | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Screen Size (Type) | 13.3" | 14.5" OLED |
|---|---|---|
| Touchscreen | - | Yes |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 2880 x 1800 (2.8K) |
| V-Sync Rate at Max Res. | - | 120 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 550 cd/m² |
| Colour Gamut | 72% NTSC | 100% DCI-P3 |
| Colour Support | - | 1.07 billion colours |
| Features | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle | Glossy, Corning Gorilla glass, NanoEdge display, Pantone Validated, HDR 500 True Black, Dolby Vision, 0.2 ms response rate, 93% screen-to-body ratio, VESA DisplayHDR |
| PROCESSOR | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| CPU | Intel Core i7 (8th Gen) 8550U / 1.8 GHz | Intel Core i7 (13th Gen) 13700H / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 5 GHz |
| Number of Cores | Quad-Core | 14-core |
| Cache | 8 MB | L3 - 24 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | Intel Smart Cache |
| MEMORY | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 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 Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 SATA 6Gb/s | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce RTX 4050 / Intel Iris Xe Graphics |
| Video Memory | - | 6 GB GDDR6 SDRAM |
| Video System Features | - | MUX Switch, NVIDIA DLSS 3, NVIDIA Studio |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | - | IR camera, Windows Hello, ASUS 3D Noise Reduction (3DNR) Technology, ASUS AiSense Camera |
| Sound | Harman/kardon stereo speakers, array microphone | Harman/kardon stereo speakers, 4-microphone array |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | ASUS SonicMaster | Output: Smart Amplification technology, Asus Audio Booster; Input: AI noise cancelling |
| COMMUNICATIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Features | - | Dual stream (2x2) |
| BATTERY | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Technology | 4-cell | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 76 Wh |
| Battery Life | Up to 13.5 hours | - |
| AC ADAPTER | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V | 180 Watt, 20 V, 9 A |
| INPUT | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, ScreenPad Plus |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Chiclet keyboard, 4096 pressure levels, 1.4mm travel distance, ASUS ErgoSense, 12.7" (2880x864) IPS-level touch display |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| 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) |
Headphone/microphone combo jack HDMI 2.1 USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) |
|---|---|---|
| Memory Card Reader | - | Yes (microSD Express Card) |
| SOFTWARE | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Home |
|---|---|---|
| Software Included | - | MyASUS, ScreenXpert, NVIDIA Studio drivers, ProArt Creator Hub, Microsoft 365 (1 month trial), GlideX |
| MISCELLANEOUS | ASUS ZenBook S UX391UA (ET087T) | ASUS Zenbook Pro 14 Duo OLED (UX8402VU) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip |
| Features | - | MIL-STD-810H tested, ASUS IceCool Plus, compatible with stylus, Cortana support, ASUS Antimicrobial Guard, AAS Ultra mechanism |
| Compliant Standards | - | RoHS, REACH, TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification |
| Max Operating Temperature | - | 49 °C |
| Min Operating Temperature | - | -37 °C |
| Humidity Range Operating | - | 95% RH |
| Model Number | - | P1026W |
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