Side by side comparison and review of ASUS 15 (X509UA) and ASUS Vivobook 14X (K3405ZF). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of ASUS 15 (X509UA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
lightweight design
solid build quality
adequate performance level
good connectivity options
average display quality
limited storage capacity
modest battery life
no backlit keyboard
Advantages and disadvantages of ASUS Vivobook 14X (K3405ZF) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful intel processor
lightweight and portable
vivid oled display
fast ssd storage
competitive price point
average battery life
limited port selection
no dedicated gpu
standard design
| DESIGN AND DIMENSIONS | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.02 cm x 23.49 cm x 2.29 cm | 31.71 cm x 22.25 cm x 1.89 cm |
| Weight | 1.9 kg | 1.4 kg |
| Case Material | - | Aluminum |
| Colour | Slate grey | Cool silver |
| DISPLAY | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Screen Size (Type) | 15.6" | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 200 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare | Glossy |
| PROCESSOR | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| CPU | Intel Core i3 (7th Gen) 7020U / 2.3 GHz | Intel Core i5 (12th Gen) 12450H / 2 GHz |
|---|---|---|
| Max Turbo Speed | - | 4.4 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 3 MB | L3 - 12 MB |
| 64-bit Computing | Yes | - |
| Features | - | Intel Smart Cache |
| MEMORY | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| RAM | 4 GB (provided memory is soldered) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 12 GB | 16 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | - | 0 |
| STORAGE | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | Intel HD Graphics 620 | NVIDIA GeForce RTX 2050 / Intel UHD Graphics |
| Video Memory | - | 4 GB GDDR6 SDRAM |
| Camera | Yes - VGA | Yes - HD |
| Camera Features | - | Privacy shutter |
| Sound | Speaker, microphone | Dual speakers, microphone |
| Audio Features | ASUS SonicMaster | Output: ASUS SonicMaster, Audio by Dirac, Asus Audio Booster |
| COMMUNICATIONS | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 4.1 | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3 |
|---|---|---|
| Features | - | Single stream (1x1) |
| BATTERY | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Technology | 2-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 32 Wh | 50 Wh |
| AC ADAPTER | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt, 19 V, 2.37 A | 90 Watt, 19 V, 4.74 A |
| INPUT | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | - | Yes |
| Features | Chiclet keyboard | 1.4mm travel distance, ASUS ErgoSense |
| CONNECTIONS & EXPANSIONS | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Interfaces | Headphone/microphone combo jack USB 3.1 Gen 1 2 x USB 2.0 HDMI USB-C 3.1 Gen 1 |
HDMI 2.1 Headphone/microphone combo jack 2 x USB 3.2 Gen 1 USB-C 3.2 Gen 1 (Power Delivery) |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | - |
| SOFTWARE | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 11 Home |
|---|---|---|
| Software Included | - | MyASUS, ScreenXpert, GlideX |
| MISCELLANEOUS | ASUS 15 (X509UA) | ASUS Vivobook 14X (K3405ZF) |
|---|
| Included Accessories | Power adapter | Power adapter, wired mouse, Carry bag |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | System password | ASUS IceCool design, MIL-STD-810H tested |
| Compliant Standards | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R | RoHS, REACH |
| SAR Value | 0.13 W/kg (body), 0.13 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | - |
| Model Number | EJ064T | LY134W |
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