In depth comparison and review of ASUS ROG Zephyrus G15 (GA502IV) and ASUS ROG Zephyrus Duo 15 SE (GX551QS). 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 (GA502IV) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful amd processor
high refresh rate display
lightweight and portable
efficient cooling system
good battery life
limited storage capacity
no webcam included
average speaker quality
higher price point
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
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 |
| Colour | Brushed black | - |
| DISPLAY | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2160 (Ultra HD 4K) |
| V-Sync Rate at Max Res. | 240 Hz | 120 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | - |
| Colour Gamut | 100% sRGB, 68% NTSC, 72% sRGB, 75.36% Adobe RGB | 100% Adobe RGB, 132.7% sRGB |
| Features | Anti-glare, 3 ms response rate, Pantone Validated | Anti-glare, FreeSync Technology, 3 ms response rate, Pantone Validated, IPS-level |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| CPU | AMD Ryzen 7 4800HS / 2.9 GHz | AMD Ryzen 9 5980HX / 3.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.2 GHz | 4.8 GHz |
| Number of Cores | 8-core | 8-core |
| Cache | 8 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| MEMORY | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 | 3200 MHz | - |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | 1 | - |
| Empty Slots | 0 | - |
| STORAGE | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB 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 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2060 / AMD Radeon Vega Graphics | NVIDIA GeForce RTX 3080 |
| Video Memory | 6 GB GDDR6 SDRAM | 16 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Optimus | ROG Boost, Dynamic Boost |
| Gaming | Yes | Yes |
| Sound | Stereo speakers, array microphone | Stereo speakers, two tweeters, array microphone |
| Compliant Standards | - | Dolby Atmos |
| Audio Features | Smart Amplification technology | Smart Amp |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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) |
| BATTERY | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 76 Wh | 90 Wh |
| Battery Life | Up to 10 hour(s) | - |
| AC ADAPTER | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| 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 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Chiclet keyboard | Chiclet keyboard, per-key RGB |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Interfaces | Headphone/microphone combo jack 3 x USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery) 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 LAN |
|---|---|---|
| Memory Card Reader | - | Yes (microSD) |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Operating System (OS) | Windows 10 Home 64-bit Edition | Windows 10 Pro |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA502IV) | ASUS ROG Zephyrus Duo 15 SE (GX551QS) |
|---|
| Included Accessories | Power adapter, bezel label | 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 | System password, ASUS Aura Sync technology |
| SAR Value | 0.014 W/kg (body), 0.014 W/kg (limb) | - |
| Model Number | AZ001T | HB185R |
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