Side by side comparison and review of ASUS ROG Zephyrus G15 (GA503QS) and ASUS ROG Zephyrus Duo 15 (GX550LXS). 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.
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 35.5 cm x 24.3 cm x 1.99 cm | 36 cm x 26.8 cm x 2 cm |
| Weight | 1.9 kg | 2.48 kg |
| Colour | Eclipse grey | Gunmetal gray |
| DISPLAY | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| 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. | 144 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 250 cd/m² | 400 cd/m² |
| Colour Gamut | 45% NTSC, 47.34% Adobe RGB, 62.5% sRGB | 100% Adobe RGB, 132.7% sRGB, 95.54% NTSC |
| Features | Anti-glare, FreeSync Technology, ±85° horizontal viewing angle, ±85° vertical viewing angle, IPS-level | Anti-glare, NVIDIA G-SYNC compatible, Pantone Validated |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| CPU | AMD Ryzen 7 5800HS / 2.8 GHz | Intel Core i9 (10th Gen) 10980HK / 2.4 GHz |
|---|---|---|
| Max Turbo Speed | 4.4 GHz | 5.3 GHz |
| Number of Cores | 8-core | 8-core |
| Cache | 16 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Intel HM470 |
| Features | - | Intel Turbo Boost Max Technology 3.0 |
| MEMORY | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| 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 | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Total Capacity | - | 2 TB |
|---|---|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 PCIe 3.0 - NVM Express (NVMe) | 2 x 1 TB SSD M.2 PCIe - NVM Express (NVMe), HyperDrive RAID 0 |
| RAID Level | - | RAID 0 |
| AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3080 / AMD Radeon Graphics | NVIDIA GeForce RTX 2080 SUPER / Intel UHD Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Optimus | NVIDIA Optimus, Max-Q design |
| Gaming | Yes | Yes |
| Sound | Stereo speakers, two tweeters, array microphone | Stereo speakers, array microphone |
| Compliant Standards | Dolby Atmos | - |
| Audio Features | Smart Amplification technology | ESS SABRE HiFi audio DAC technology, Smart Amp |
| VR Ready | - | Yes |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Compliant Standards | - | Wi-Fi CERTIFIED 6 |
| Features | Dual stream (2x2) | Dual stream (2x2) |
| BATTERY | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 90 Wh |
| AC ADAPTER | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 200 Watt, 20 V, 10 A | 240 Watt, 20 V, 12 A |
| INPUT | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad, NumberPad |
|---|---|---|
| Keyboard Backlight | Yes | Yes (RGB) |
| Features | Chiclet keyboard | Chiclet keyboard, per-key RGB |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Interfaces | Headphone/microphone combo jack 2 x USB 3.2 Gen 2 USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) LAN HDMI |
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) USB 3.2 Gen 2 2 x USB 3.2 Gen 1 HDMI LAN Headphone/microphone combo jack Microphone input |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Pro |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA503QS) | ASUS ROG Zephyrus Duo 15 (GX550LXS) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security | Fingerprint reader | - |
| 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, Active Aerodynamic System (AAS), 65W power delivery |
| SAR Value | - | 0.028 W/kg (body), 0.028 W/kg (limb) |
| Model Number | HN013T | HC029R |
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