In depth comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and ASUS ZenBook 14X OLED (UX5400EA). 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 ROG Zephyrus Duo 15 SE (GX551QS) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-quality build
excellent cooling system
vivid display resolution
high price point
short battery life
heavy and bulky
limited port selection
Advantages and disadvantages of ASUS ZenBook 14X OLED (UX5400EA) based on its technical characteristics, features, user experience, expert reviews and price level.
vibrant oled display
compact lightweight design
responsive touchpad
solid build quality
fast charging support
average battery life
no dedicated gpu
limited port selection
higher price point
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2.09 cm | 31.12 cm x 22.12 cm x 1.69 cm |
| Weight | 2.48 kg | 1.4 kg |
| Case Material | - | Aluminum |
| Colour | - | Pine grey |
| DISPLAY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Screen Size (Type) | 15.6" | 14" OLED |
|---|---|---|
| Touchscreen | - | Yes |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 2880 x 1800 (WQXGA+) |
| V-Sync Rate at Max Res. | 120 Hz | 90 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | - | 550 cd/m² |
| Colour Gamut | 100% Adobe RGB, 132.7% sRGB | 100% DCI-P3 |
| Features | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level | Glossy, Pantone Validated, HDR 500 True Black, 0.2 ms response rate |
| PROCESSOR | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| CPU | AMD Ryzen 9 5980HX / 3.3 GHz | Intel Core i7 (11th Gen) 1165G7 / 2.8 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4.7 GHz |
| Number of Cores | 8-core | Quad-Core |
| Cache | L3 - 16 MB | 12 MB |
| MEMORY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 48 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR4X SDRAM |
| Form Factor | SO-DIMM 260-pin | - |
| STORAGE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) |
|---|---|---|
| SSD Cache | - | 32 GB 3D Xpoint (Optane) |
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 | Intel Iris Xe Graphics |
|---|---|---|
| Video Memory | 16 GB GDDR6 SDRAM | - |
| Video System Features | ROG Boost, Dynamic Boost | - |
| Gaming | Yes | - |
| Camera | - | Yes - 720p |
| Camera Features | - | Privacy shutter |
| Sound | Stereo speakers, two tweeters, array microphone | Harman/kardon stereo speakers, array microphone |
| Compliant Standards | Dolby Atmos | - |
| Audio Features | Smart Amp | Noise-cancellation technology |
| COMMUNICATIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.0, 802.11a/b/g/n/ac/ax |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 63 Wh |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 100 Watt, 20 V, 5 A |
| INPUT | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Type | Keyboard, NumberPad | Keyboard, ScreenPad 2.0 |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Chiclet keyboard, per-key RGB | Chiclet keyboard, 1.4mm travel distance, FHD+ (2160 x 1080) IPS-level display |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Interfaces | Headphone/microphone combo jack USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.2 Gen 2 HDMI LAN |
HDMI Headphone/microphone combo jack USB 3.2 Gen 2 2 x USB-C (supports Thunderbolt 4, DisplayPort Alt Mode) (Power Delivery) |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 11 Home |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS ZenBook 14X OLED (UX5400EA) |
|---|
| Included Accessories | Power adapter, palm rest, ROG X DL2 thank you card | Stylus, USB-C power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM) Security Chip, fingerprint reader |
| Features | System password, ASUS Aura Sync technology | System password, ErgoLift, MIL-STD-810H tested |
| Compliant Standards | - | TUV Rheinland Flicker Free Certification, TUV Rheinland Low Blue Light (Hardware Solution) |
| Repairability Index | - | 6.8 (out of 10) |
| ENERGY STAR Certified | - | Yes |
| Model Number | HB185R | KN232W |
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