In depth comparison and review of ASUS VivoBook S14 (S435EA) and ASUS 14 (X409FA). 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 VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.22 cm x 20.4 cm x 1.59 cm | 32.5 cm x 21.6 cm x 2.29 cm |
| Weight | 1.3 kg | 1.6 kg |
| Colour | Deep green | Slate grey |
| DISPLAY | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Screen Size (Type) | 14" | 14" |
|---|---|---|
| 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 | 16:9 |
| Image Brightness | 400 cd/m² | - |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare, NanoEdge display, 178° viewing angle, IPS-level, 90% screen-to-body ratio | Anti-glare |
| PROCESSOR | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | Intel Core i5 (8th Gen) 8265U / 1.6 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 3.9 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 6 MB |
| 64-bit Computing | - | Yes |
| Platform Technology | Intel Evo | - |
| Features | Intel Smart Cache | - |
| MEMORY | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | - | 16 GB |
| RAM Type | LPDDR4X SDRAM | DDR4 SDRAM |
| Form Factor | - | SO-DIMM 260-pin |
| STORAGE | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 x2 - NVM Express (NVMe) |
|---|---|---|
| SSD Cache | 32 GB 3D Xpoint (Optane) | - |
| AUDIO & VIDEO | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Graphics Processor (GPU) | Intel Iris Xe Graphics | Intel UHD Graphics |
|---|---|---|
| Video System Features | Functions as Intel UHD graphics (for single-channel memory) | - |
| Camera | Yes - 720p | Yes - VGA |
| Sound | Harman/kardon stereo speakers, array microphone | Speaker, microphone |
| Audio Features | AI noise cancelling | - |
| COMMUNICATIONS | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Features | Dual stream (2x2) | - |
| BATTERY | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 67 Wh | 42 Wh |
| AC ADAPTER | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 20 V, 3.25 A | 45 Watt, 19 V, 2.37 A |
| INPUT | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Type | Keyboard, touchpad, NumberPad 2.0 | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Chiclet keyboard, 1.4mm travel distance | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Interfaces | Headphone/microphone combo jack 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 1 HDMI USB 2.0 |
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) |
| SOFTWARE | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home 64-bit Edition |
|---|
| MISCELLANEOUS | ASUS VivoBook S14 (S435EA) | ASUS 14 (X409FA) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader | - |
| Features | System password | - |
| Compliant Standards | TUV Rheinland Low Blue Light Certification, TUV Rheinland Flicker Free Certification | - |
| SAR Value | - | 0.196 W/kg (body), 0.196 W/kg (limb) |
| ENERGY STAR Certified | Yes | - |
| Model Number | HM003T | EK034T |
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