In depth comparison and review of ASUS ROG Zephyrus G15 (GA502DU) and ASUS ROG Zephyrus Duo 15 SE (GX551QR). 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 G15 (GA502DU) based on its technical characteristics, features, user experience, expert reviews and price level.
impressive battery life
lightweight and portable
powerful gaming performance
fast refresh rate display
efficient cooling system
limited storage capacity
no webcam included
average speaker quality
single-zone keyboard backlighting
Advantages and disadvantages of ASUS ROG Zephyrus Duo 15 SE (GX551QR) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high refresh rate display
ample connectivity options
premium build quality
high price point
short battery life
heavy and bulky
loud under load
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 25.2 cm x 2.04 cm | 36 cm x 26.8 cm x 2.09 cm |
| Weight | 2.1 kg | 2.48 kg |
| Case Material | - | Metal |
| Colour | Brushed black | - |
| DISPLAY | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | 144 Hz | 300 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | - |
| Colour Gamut | 45% NTSC, 47.34% Adobe RGB, 62.5% sRGB | 100% sRGB, 75.35% Adobe RGB |
| Features | Anti-glare, 170° horizontal and vertical viewing angle | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| CPU | AMD Ryzen 7 3750H / 2.3 GHz | AMD Ryzen 9 5980HX / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 4 GHz | 4.8 GHz |
| Number of Cores | Quad-Core | 8-core |
| Cache | 4 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| MEMORY | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| RAM | 16 GB (1 x 8 GB + 8 GB (soldered)) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 24 GB | 48 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2400 MHz | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe - NVM Express (NVMe) | 1 TB SSD M.2 PCIe 3.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1660 Ti / AMD Radeon RX Vega 10 | NVIDIA GeForce RTX 3070 / AMD Radeon Vega |
| Video Memory | 6 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Optimus, Max-Q design | ROG Boost, Dynamic Boost |
| Gaming | Yes | Yes |
| Sound | Stereo speakers, array microphone | Stereo speakers, two tweeters, array microphone |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | ESS SABRE HiFi audio DAC technology, Smart Amplification technology | Smart Amp |
| VR Ready | Yes | - |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Wireless | Bluetooth 5.0, 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 76 Wh | 90 Wh |
| AC ADAPTER | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 180 Watt, 20 V, 9 A | 240 Watt, 20 V, 12 A |
| INPUT | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Chiclet keyboard, ASUS Overstroke technologie, N-key rollover | Chiclet keyboard, per-key RGB, 1.4mm travel distance |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Interfaces | Headphone/microphone combo jack 3 x USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) LAN HDMI |
Headphone/microphone combo jack USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) 3 x USB 3.2 Gen 2 HDMI |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home |
|---|---|---|
| Software Included | Microsoft 365 (30 days trial), XSplit Gamecaster, Sonic Studio III, Sonic Radar III, Armoury Crate, GameFirst V, GameVisual | - |
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA502DU) | ASUS ROG Zephyrus Duo 15 SE (GX551QR) |
|---|
| Included Accessories | Power adapter | Power adapter, palm rest, ROG X DL2 thank you card |
|---|---|---|
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | System password, anti-dust cooling system | System password, ASUS Aura Sync technology |
| SAR Value | 0.02 W/kg (body), 0.02 W/kg (limb) | - |
| Model Number | HN100T | HF087T |
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