In depth comparison and review of ASUS 14 (M409DA) 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.
| DESIGN AND DIMENSIONS | ASUS 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.5 cm x 21.6 cm x 2.29 cm | 31.1 cm x 21.3 cm x 1.29 cm |
| Weight | 1.6 kg | 1 kg |
| Case Material | Plastic | - |
| Colour | Transparent silver | Deep dive blue |
| DISPLAY | ASUS 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Screen Size (Type) | 14" | 13.3" |
|---|---|---|
| LCD Backlight Technology | LED backlight | 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 | 220 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 72% NTSC |
| Features | ASUS Splendid Video Intelligence Technology, anti-glare, NanoEdge display | Ultra Slim Design, anti-glare, WideView, 178° horizontal and vertical viewing angle |
| PROCESSOR | ASUS 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| CPU | AMD Ryzen 3 3200U / 2.6 GHz | Intel Core i7 (8th Gen) 8550U / 1.8 GHz |
|---|---|---|
| Max Turbo Speed | 3.5 GHz | 4 GHz |
| Number of Cores | Dual-Core | Quad-Core |
| Cache | L3 - 4 MB | 8 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Intel Turbo Boost Technology 2.0 |
| MEMORY | ASUS 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| RAM | 4 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 14 (M409DA) | 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 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Graphics Processor (GPU) | AMD Radeon Vega 3 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - VGA | Yes - HD |
| Sound | Stereo speakers, microphone | Harman/kardon stereo speakers, array microphone |
| Audio Features | ASUS SonicMaster | ASUS SonicMaster |
| COMMUNICATIONS | ASUS 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|
| BATTERY | ASUS 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Technology | 2-cell lithium polymer | 4-cell |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 50 Wh |
| Battery Life | - | Up to 13.5 hours |
| AC ADAPTER | ASUS 14 (M409DA) | 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 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | - |
| CONNECTIONS & EXPANSIONS | ASUS 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 USB-C 3.2 Gen 1 HDMI |
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, microSDHC, microSDXC) | - |
| SOFTWARE | ASUS 14 (M409DA) | ASUS ZenBook S UX391UA (ET087T) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home |
|---|---|---|
| Software Included | ASUS Splendid, Microsoft 365 (30 days trial), MyASUS | - |
| MISCELLANEOUS | ASUS 14 (M409DA) | 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 |
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Compliant Standards | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R | - |
| ENERGY STAR Certified | Yes | - |
| Manufacturer Warranty | Limited warranty - 1 year | - |
| Model Number | EK124T | - |
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