In depth comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and ASUS Vivobook Pro 14 OLED (K3400PH). 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 Vivobook Pro 14 OLED (K3400PH) based on its technical characteristics, features, user experience, expert reviews and price level.
vivid oled display
lightweight design
powerful intel processor
solid build quality
competitive price point
average battery life
limited port selection
no sd card slot
moderate storage capacity
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2.09 cm | 31.74 cm x 22.85 cm x 1.93 cm |
| Weight | 2.48 kg | 1.41 kg |
| Case Material | - | Aluminum, plastic |
| Colour | - | Quiet blue |
| DISPLAY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| Screen Size (Type) | 15.6" | 14" OLED |
|---|---|---|
| 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 | - | 400 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, NanoEdge display, Pantone Validated |
| PROCESSOR | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| CPU | AMD Ryzen 9 5980HX / 3.3 GHz | Intel Core i5 (11th Gen) 11300H / 3.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4.4 GHz |
| Number of Cores | 8-core | Quad-Core |
| Cache | L3 - 16 MB | 8 MB |
| MEMORY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 48 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 260-pin | - |
| STORAGE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| Multi-GPU Configuration | - | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 | NVIDIA GeForce GTX 1650 / Intel Iris Xe Graphics |
| Video Memory | 16 GB GDDR6 SDRAM | 4 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 | Speaker, array microphone |
| Compliant Standards | Dolby Atmos | - |
| Audio Features | Smart Amp | - |
| COMMUNICATIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| 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 Vivobook Pro 14 OLED (K3400PH) |
|---|
| 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 Vivobook Pro 14 OLED (K3400PH) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 120 Watt, 20 V, 6 A |
| INPUT | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| Type | Keyboard, NumberPad | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Chiclet keyboard, per-key RGB | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| 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 1 2 x USB 2.0 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 Vivobook Pro 14 OLED (K3400PH) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Home |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS Vivobook Pro 14 OLED (K3400PH) |
|---|
| Included Accessories | Power adapter, palm rest, ROG X DL2 thank you card | Power adapter |
|---|---|---|
| Features | System password, ASUS Aura Sync technology | ASUS IceCool Plus |
| Compliant Standards | - | TUV Rheinland Low Blue Light Certification, SGS Eye Care Display Certification |
| Model Number | HB185R | KM033T |
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