Detailed comparison and review of ASUS ZenBook 14 (UM425IA) and ASUS 15 (X509JA). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.
Advantages and disadvantages of ASUS ZenBook 14 (UM425IA) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
fast ssd storage
powerful amd processor
long battery life
comfortable keyboard
limited port selection
no dedicated gpu
average display brightness
higher price point
Advantages and disadvantages of ASUS 15 (X509JA) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
lightweight design
solid build quality
adequate connectivity options
crisp full HD display
average battery life
moderate performance
no backlit keyboard
limited graphics power
| DESIGN AND DIMENSIONS | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 31.9 cm x 21 cm x 1.43 cm | 36.02 cm x 23.49 cm x 2.29 cm |
| Weight | 1.22 kg | 1.9 kg |
| Case Material | Aluminum | - |
| Colour | Pine grey | Slate grey |
| DISPLAY | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" |
|---|---|---|
| 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 | 250 cd/m² | 200 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | Anti-glare | ASUS Splendid Video Intelligence Technology, anti-glare, Tru2Life, NanoEdge display |
| PROCESSOR | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| CPU | AMD Ryzen 5 4500U / 2.3 GHz | Intel Core i3 (10th Gen) 1005G1 / 1.2 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 3.4 GHz |
| Number of Cores | 6-core | Dual-Core |
| Cache | 8 MB | 4 MB |
| 64-bit Computing | Yes | Yes |
| Features | - | Intel Turbo Boost Technology 2.0 |
| MEMORY | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| RAM | 8 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 8 GB |
| RAM Type | LPDDR4X SDRAM | DDR4 SDRAM |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel UHD Graphics |
|---|---|---|
| Camera | Yes - 720p | Yes - VGA |
| Camera Features | IR camera, Windows Hello | - |
| Sound | Harman/kardon stereo speakers, array microphone | Stereo speakers, microphone |
| Audio Features | - | ASUS Bang & Olufsen ICEpower |
| COMMUNICATIONS | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | - |
| BATTERY | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Technology | 4-cell Lithium Ion | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 67 Wh | 32 Wh |
| AC ADAPTER | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 45 Watt, 19 V, 2.37 A |
| INPUT | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Type | Keyboard, NumberPad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Chiclet keyboard | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Interfaces | USB 3.1 Gen 1 2 x USB-C 3.2 Gen 2 HDMI Headphone output (on supplied adapter) LAN (on supplied adapter) |
Headphone/microphone combo jack USB 3.2 Gen 1 2 x USB 2.0 HDMI USB-C 3.2 Gen 1 |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD, microSDHC, microSDXC) |
| SOFTWARE | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Home |
|---|---|---|
| Software Included | McAfee, MyASUS | Microsoft 365 (30 days trial), MyASUS |
| MISCELLANEOUS | ASUS ZenBook 14 (UM425IA) | ASUS 15 (X509JA) |
|---|
| Included Accessories | Power adapter, sleeve, USB to Ethernet adapter, USB-C to audio jack adapter | Power adapter |
|---|---|---|
| Security | Trusted Platform Module (TPM) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | - | System password |
| Compliant Standards | MIL-STD 810G | UL, C-Tick, BSMI, CB, CCC, FCC, A-Tick, GOST-R |
| SAR Value | - | 0.13 W/kg (body), 0.13 W/kg (limb) |
| ENERGY STAR Certified | - | Yes |
| Model Number | AM080R | EJ025T |
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