In depth comparison and review of ASUS ZenBook S UX391UA (ET087T) and ASUS VivoBook 16X (K3605ZV). 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 16X (K3605ZV) based on its technical characteristics, features, user experience, expert reviews and price level.
impressive color accuracy
solid build quality
responsive fingerprint sensor
efficient cooling system
competitive price point
average battery life
no thunderbolt support
limited upgrade options
mediocre webcam quality
| DESIGN AND DIMENSIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.1 cm x 21.3 cm x 1.29 cm | 35.86 cm x 24.91 cm x 1.89 cm |
| Weight | 1 kg | 1.8 kg |
| Case Material | - | Aluminum, plastic |
| Colour | Deep dive blue | Cool silver |
| DISPLAY | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| Screen Size (Type) | 13.3" | 16" |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| V-Sync Rate at Max Res. | - | 120 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 72% NTSC | 100% sRGB |
| Features | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle | Anti-glare, IPS-level, 85% screen-to-body ratio |
| PROCESSOR | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| CPU | Intel Core i7 (8th Gen) 8550U / 1.8 GHz | Intel Core i7 (12th Gen) 12650H |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.7 GHz |
| Number of Cores | Quad-Core | 10-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 VivoBook 16X (K3605ZV) |
|---|
| RAM | 8 GB (provided memory is soldered) | 16 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | - |
| Rated Speed | 2133 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 SATA 6Gb/s | 512 GB SSD M.2 PCIe 4.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | NVIDIA GeForce RTX 4060 / Intel UHD Graphics |
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Camera | Yes - HD | Yes - 720p |
| Camera Features | - | Privacy shutter |
| Sound | Harman/kardon stereo speakers, array microphone | Dual speakers, array microphone |
| Audio Features | ASUS SonicMaster | Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster; Input: AI noise cancelling |
| COMMUNICATIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| 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 16X (K3605ZV) |
|---|
| Technology | 4-cell | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 50 Wh | 70 Wh |
| Battery Life | Up to 13.5 hours | - |
| AC ADAPTER | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V | 120 Watt, 20 V, 6 A |
| INPUT | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | - | Chiclet keyboard, 1.4mm travel distance, ASUS ErgoSense |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| 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 2 x USB 3.2 Gen 1 HDMI 2.1 Thunderbolt 4 (supports DisplayPort) (Power Delivery) |
|---|---|---|
| Memory Card Reader | - | Yes (SD 4.0 card reader) |
| SOFTWARE | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 11 Home |
|---|---|---|
| Software Included | - | McAfee LiveSafe (30 days trial), MyASUS, ScreenXpert, ProArt Creator Hub, Microsoft 365 (1 month trial), GlideX |
| MISCELLANEOUS | ASUS ZenBook S UX391UA (ET087T) | ASUS VivoBook 16X (K3605ZV) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader |
| Features | - | ASUS IceCool design, MIL-STD-810H tested, BIOS protection, ASUS Antimicrobial Guard |
| Compliant Standards | - | RoHS, REACH, TUV Rheinland, Energy Star 8.0 |
| Model Number | - | N1045W |
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