In depth comparison and review of ASUS VivoBook S15 (S531FA) and ASUS 14 (P409FA). 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 S15 (S531FA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
large screen size
decent battery life
ample storage capacity
includes essential ports
mediocre display quality
heavy build
average processor
limited graphics performance
Advantages and disadvantages of ASUS 14 (P409FA) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
affordable price point
cooling system efficiency
expandable storage options
vibrant display quality
heavier build
average battery life
plastic chassis feel
limited port selection
| DESIGN AND DIMENSIONS | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.72 cm x 23.03 cm x 1.8 cm | 32.5 cm x 21.6 cm x 2.29 cm |
| Weight | 1.8 kg | 1.6 kg |
| Colour | Gun metal | Slate grey |
| DISPLAY | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Screen Size (Type) | 15.6" | 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 | 300 cd/m² | - |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, 178° horizontal and vertical viewing angle, NanoEdge display | Anti-glare |
| PROCESSOR | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| CPU | Intel Core i5 (8th Gen) 8265U / 1.6 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 3.9 GHz | 3.9 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 6 MB | 6 MB |
| 64-bit Computing | Yes | Yes |
| Features | Intel Turbo Boost Technology 2.0 | - |
| MEMORY | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| RAM | 8 GB | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | - |
| Rated Speed | 2400 MHz | - |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe | 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Graphics Processor (GPU) | Intel UHD Graphics 620 | Intel UHD Graphics 620 |
|---|---|---|
| Camera | Yes - HD | Yes - VGA |
| Camera Features | IR camera | - |
| Sound | Harman/kardon stereo speakers, array microphone | Speaker, microphone |
| Audio Features | ASUS SonicMaster, Smart Amplification technology | ASUS Bang & Olufsen ICEpower |
| COMMUNICATIONS | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.2 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|
| BATTERY | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Technology | 3-cell | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 42 Wh | 32 Wh |
| AC ADAPTER | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| 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 S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | - | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Interfaces | HDMI 2 x USB 2.0 USB 3.1 Gen 1 Headphone/microphone combo jack USB-C 3.1 Gen 1 |
Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 USB-C 3.1 Gen 1 HDMI LAN |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS VivoBook S15 (S531FA) | ASUS 14 (P409FA) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader |
| Features | ErgoLift | - |
| SAR Value | 0.584 W/kg (body), 0.584 W/kg (limb) | - |
| Model Number | EJ037T | EK078R |
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