In depth comparison and review of ASUS VivoBook S14 (S431FA) and ASUS 14 (X409JA). 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 (S431FA) based on its technical characteristics, features, user experience, expert reviews and price level.
compact lightweight design
vivid full hd display
fast ssd storage
efficient intel processor
reasonable price point
average battery life
no dedicated gpu
limited port selection
mediocre sound quality
Advantages and disadvantages of ASUS 14 (X409JA) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 360-degree hinge
responsive touchscreen display
solid build quality
efficient Chrome OS
good battery life
limited app compatibility
modest storage capacity
no high-end graphics
fewer ports available
| DESIGN AND DIMENSIONS | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.33 cm x 21.37 cm x 1.8 cm | 32.5 cm x 21.6 cm x 2.29 cm |
| Weight | 1.4 kg | 1.5 kg |
| Colour | Transparent silver | Transparent silver |
| DISPLAY | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Screen Size (Type) | 14" | 14" |
|---|---|---|
| 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 | 250 cd/m² | - |
| Colour Gamut | 72% NTSC | 45% NTSC |
| Features | Anti-glare, NanoEdge display, 178° viewing angle | Anti-glare |
| PROCESSOR | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 3.4 GHz |
| Number of Cores | Quad-Core | Dual-Core |
| Cache | - | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 12 GB |
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - HD | Yes - VGA |
| Camera Features | IR camera | - |
| Sound | Harman/kardon stereo speakers, array microphone | Stereo speakers, microphone |
| Audio Features | ASUS SonicMaster | ASUS SonicMaster |
| COMMUNICATIONS | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|
| BATTERY | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Technology | 2-cell lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 47 Wh | 32 Wh |
| AC ADAPTER | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.47 A | 45 Watt, 19 V, 2.37 A |
| INPUT | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Type | Keyboard, NumberPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | - | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 USB 2.0 USB-C 3.1 Gen 2 HDMI |
Headphone/microphone combo jack USB 3.0 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI |
|---|---|---|
| Memory Card Reader | Yes (SD Card) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS VivoBook S14 (S431FA) | ASUS 14 (X409JA) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | - |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | System password, ErgoLift | - |
| Compliant Standards | - | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R |
| SAR Value | 0.6 W/kg (body), 0.6 W/kg (limb) | 0.196 W/kg (body), 0.196 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| Model Number | AM016T | EK022T |
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