In depth comparison and review of ASUS ZenBook S UX391UA (ET087T) and ASUS BR1402C (i381XA). 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 BR1402C (i381XA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
compact design
solid build quality
efficient multitasking
decent battery life
average display quality
limited storage capacity
no backlit keyboard
basic graphics card
| DESIGN AND DIMENSIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.1 cm x 21.3 cm x 1.29 cm | 33.29 cm x 22.89 cm x 2.1 cm |
| Weight | 1 kg | 1.56 kg |
| Case Material | - | Plastic |
| Colour | Deep dive blue | Mineral grey |
| DISPLAY | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Screen Size (Type) | 13.3" | 14" |
|---|---|---|
| LCD Backlight Technology | 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 | 45% NTSC |
| Features | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle | Anti-glare |
| PROCESSOR | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| CPU | Intel Core i7 (8th Gen) 8550U / 1.8 GHz | Intel Core i3 N305 |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.8 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 8 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | - |
| Rated Speed | 2133 MHz | - |
| Form Factor | - | SO-DIMM 262-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 SATA 6Gb/s | 128 GB |
|---|
| AUDIO & VIDEO | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - HD | Yes - 720p |
| Camera Features | - | Privacy shutter |
| Sound | Harman/kardon stereo speakers, array microphone | Dual speakers, microphone |
| Audio Features | ASUS SonicMaster | Output: Audio by Dirac |
| COMMUNICATIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.3 |
|---|---|---|
| Features | - | Dual stream (2x2) |
| BATTERY | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Technology | 4-cell | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 50 Wh |
| Battery Life | Up to 13.5 hours | - |
| AC ADAPTER | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V | 65 Watt, 20 V, 2.25 A |
| INPUT | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | - | Spill-resistant, chiclet keyboard, 1.5mm travel distance |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| 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 USB 2.0 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 (Power Delivery) Headphone/microphone combo jack |
|---|
| SOFTWARE | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Pro Education |
|---|---|---|
| Software Included | - | MyASUS, Microsoft 365 (1 month trial) |
| MISCELLANEOUS | ASUS ZenBook S UX391UA (ET087T) | ASUS BR1402C (i381XA) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | - | System password, LED indicator, rubber bumper, MIL-STD-810H tested |
| Compliant Standards | - | RoHS, REACH |
| Model Number | - | 3Y |
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