Side by side comparison and review of ASUS ZenBook Duo UX481FL (HJ080R) and ASUS R521JA (EJ974T). 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 ZenBook Duo UX481FL (HJ080R) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
compact and lightweight
powerful performance setup
touchscreen functionality
solid build quality
premium price point
average battery life
limited port selection
no dedicated GPU
Advantages and disadvantages of ASUS R521JA (EJ974T) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
solid build quality
lightweight design
decent battery life
adequate performance
average display quality
limited storage capacity
no backlit keyboard
basic graphics card
| DESIGN AND DIMENSIONS | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 32.3 cm x 22.3 cm x 1.99 cm | 36 cm x 23.5 cm x 2.29 cm |
| Weight | 1.6 kg | 1.9 kg |
| Case Material | Aluminum, magnesium-aluminum alloy | - |
| Colour | Celestial blue | Transparent silver |
| DISPLAY | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Screen Size (Type) | 14" | 15.6" |
|---|---|---|
| Touchscreen | Yes | - |
| LCD Backlight Technology | 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 | 200 cd/m² |
| Colour Gamut | 100% sRGB | 45% NTSC |
| Features | ASUS Splendid Video Intelligence Technology, anti-glare, Tru2Life, NanoEdge display, Pantone Validated | Anti-glare, 83% screen-to-body ratio |
| PROCESSOR | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| CPU | Intel Core i7 (10th Gen) 10510U / 1.8 GHz | Intel Core i5 (10th Gen) 1035G1 / 1 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 3.6 GHz |
| Number of Cores | Quad-Core | Quad-Core |
| Cache | 8 MB | 6 MB |
| 64-bit Computing | Yes | - |
| Features | Intel Turbo Boost Technology 2.0, Intel Smart Cache | - |
| MEMORY | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| RAM | 16 GB (provided memory is soldered) | 4 GB (provided memory is soldered) |
|---|---|---|
| RAM Type | LPDDR3 SDRAM | DDR4 SDRAM |
| Speed | 2133 MHz | - |
| STORAGE | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 2280 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce MX250 / Intel UHD Graphics | Intel UHD Graphics |
| Video Memory | 2 GB GDDR5 SDRAM | - |
| Camera | Yes - HD | Yes - VGA |
| Camera Features | IR camera, Windows Hello | - |
| Sound | Harman/kardon stereo speakers, array microphone | Speaker, microphone |
| Audio Features | ASUS SonicMaster, Bang & Olufsen Audio, Smart Amplification technology | Output: ASUS SonicMaster |
| COMMUNICATIONS | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Features | Dual stream (2x2) | Single stream (1x1) |
| BATTERY | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Technology | 4-cell lithium polymer | 2-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 70 Wh | 32 Wh |
| AC ADAPTER | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt, 19 V, 3.42 A | 45 Watt, 19 V, 2.37 A |
| INPUT | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Type | Keyboard, stylus, ScreenPad Plus | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | - | Yes |
| Keyboard Backlight | Yes | - |
| Features | Chiclet keyboard, 12.6" touch display | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Interfaces | USB-C 3.2 Gen 2 USB 3.2 Gen 2 USB 3.2 Gen 1 HDMI Headphone/microphone combo jack |
USB 3.2 Gen 1 USB-C 3.2 Gen 1 2 x USB 2.0 HDMI Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD, microSDHC, microSDXC) | Yes (microSD) |
| SOFTWARE | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Home |
|---|---|---|
| Software Included | ASUS Splendid, Microsoft 365 (30 days trial), McAfee, MyASUS, System Diagnosis, Battery Health Charging, AppDeals, Tru2Life | - |
| MISCELLANEOUS | ASUS ZenBook Duo UX481FL (HJ080R) | ASUS R521JA (EJ974T) |
|---|
| Included Accessories | Stylus, power adapter, sleeve, stand | Power adapter |
|---|---|---|
| Security | Firmware Trusted Platform Module (TPM) Security Chip | Firmware Trusted Platform Module (TPM) Security Chip |
| Features | MIL-STD-810G tested, ErgoLift | - |
| SAR Value | 0.529 W/kg (body), 0.529 W/kg (limb) | - |
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