Side by side comparison and review of ASUS ROG Zephyrus Duo 15 SE (GX551QS) and ASUS VivoBook Flip 14 TM420UA (EC068T). 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 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 Flip 14 TM420UA (EC068T) based on its technical characteristics, features, user experience, expert reviews and price level.
versatile 2-in-1 design
responsive touchscreen display
lightweight and portable
decent battery life
solid build quality
average color accuracy
modest storage capacity
no dedicated GPU
limited port selection
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2.09 cm | 32.4 cm x 22 cm x 1.82 cm |
| Weight | 2.48 kg | 1.5 kg |
| Colour | - | Bespoke black |
| DISPLAY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Screen Size (Type) | 15.6" | 14" |
|---|---|---|
| Touchscreen | - | Yes |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 120 Hz | - |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | 100% Adobe RGB, 132.7% sRGB | 45% NTSC |
| Features | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level | Glossy, IPS-level |
| PROCESSOR | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| CPU | AMD Ryzen 9 5980HX / 3.3 GHz | AMD Ryzen 5 5500U / 2.1 GHz |
|---|---|---|
| Max Turbo Speed | 4.8 GHz | 4 GHz |
| Number of Cores | 8-core | 6-core |
| Cache | L3 - 16 MB | 8 MB |
| MEMORY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 8 GB (1 x 4 GB + 4 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 48 GB | - |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 0 |
| STORAGE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) | 256 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 | AMD Radeon Graphics |
|---|---|---|
| Video Memory | 16 GB GDDR6 SDRAM | - |
| Video System Features | ROG Boost, Dynamic Boost | - |
| Gaming | Yes | - |
| Camera | - | Yes - 720p |
| Sound | Stereo speakers, two tweeters, array microphone | Harman/kardon stereo speakers, array microphone |
| Compliant Standards | Dolby Atmos | - |
| Audio Features | Smart Amp | - |
| COMMUNICATIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac, Bluetooth 4.2 |
|---|---|---|
| Network Interface | Gigabit Ethernet | - |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 42 Wh |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 65 Watt, 19 V, 3.42 A |
| INPUT | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Type | Keyboard, NumberPad | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes |
| Features | Chiclet keyboard, per-key RGB | Chiclet keyboard |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| 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 2.0 USB 3.2 Gen 2 USB-C 3.2 Gen 2 |
|---|---|---|
| Memory Card Reader | Yes (microSD) | Yes (microSD) |
| SOFTWARE | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Operating System (OS) | Windows 10 Pro | Windows 10 Home in S mode |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 SE (GX551QS) | ASUS VivoBook Flip 14 TM420UA (EC068T) |
|---|
| Included Accessories | Power adapter, palm rest, ROG X DL2 thank you card | Power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM) Security Chip |
| Security Slot Type | - | Kensington security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | System password, ASUS Aura Sync technology | - |
| Repairability Index | - | 6.9 (out of 10) |
| Model Number | HB185R | - |
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