In depth comparison and review of ASUS VivoBook S14 (M433IA) and ASUS ZenBook S UX391UA (ET087T). 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 VivoBook S14 (M433IA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
robust processing power
comfortable keyboard
ample storage capacity
decent battery life
average display quality
heavier design
no backlit keyboard
limited graphics performance
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
| DESIGN AND DIMENSIONS | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.4 cm x 21.3 cm x 1.59 cm | 31.1 cm x 21.3 cm x 1.29 cm |
| Weight | 1.4 kg | 1 kg |
| Case Material | Aluminum | - |
| Colour | Indie black | Deep dive blue |
| DISPLAY | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Screen Size (Type) | 14" - IPS | 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 |
| Image Brightness | 250 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 72% NTSC |
| Features | Anti-glare | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle |
| PROCESSOR | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| CPU | AMD Ryzen 5 4500U / 2.3 GHz | Intel Core i7 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | 8 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Intel Turbo Boost Technology 2.0 |
| MEMORY | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | DDR4 SDRAM | LPDDR3 SDRAM |
| Speed | - | 2133 MHz |
| Rated Speed | - | 2133 MHz |
| STORAGE | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 SATA 6Gb/s |
|---|
| AUDIO & VIDEO | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - 720p | Yes - HD |
| Sound | Speaker, microphone | Harman/kardon stereo speakers, array microphone |
| Audio Features | - | ASUS SonicMaster |
| COMMUNICATIONS | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|
| BATTERY | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 50 Wh |
| Battery Life | - | Up to 13.5 hours |
| AC ADAPTER | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Input | AC 120/230 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 S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Chiclet keyboard | - |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Interfaces | HDMI 2 x USB 2.0 USB 3.2 Gen 1 USB-C 3.2 Gen 1 Headphone/microphone combo jack |
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) |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home |
|---|---|---|
| Software Included | Microsoft 365 (30 days trial), MyASUS | - |
| MISCELLANEOUS | ASUS VivoBook S14 (M433IA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | System password | - |
| Model Number | EB508T | - |
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