Side by side comparison and review of ASUS ROG Zephyrus G15 (GA503RW) and ASUS ROG Zephyrus Duo 15 (GX550LWS). 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 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| 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 | Moonlight white | Gunmetal gray |
| DISPLAY | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 2560 x 1440 (WQHD) | 3840 x 2160 (Ultra HD 4K) |
| V-Sync Rate at Max Res. | 240 Hz | 300 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 300 cd/m² |
| Colour Gamut | 100% DCI-P3 | 100% sRGB, 72% NTSC, 75.35% Adobe RGB |
| Features | Anti-glare, Adaptive-Sync technology, 3 ms response rate, Pantone Validated, IPS-level | Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut |
| PROCESSOR | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| CPU | AMD Ryzen 9 6900HS / 3.3 GHz | Intel Core i7 (10th Gen) 10875H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 5.1 GHz |
| Number of Cores | 8-core | 8-core |
| Cache | 16 MB | 16 MB |
| 64-bit Computing | - | Yes |
| Chipset | - | Intel HM470 |
| Features | - | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| RAM | 16 GB (provided memory is soldered) | 32 GB (1 x 16 GB + 16 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 48 GB | 48 GB |
| RAM Type | DDR5 SDRAM | DDR4 SDRAM |
| Speed | 4800 MHz | 2933 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 262-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 1 | 0 |
| STORAGE | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe 4.0 - NVM Express (NVMe) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 3070 Ti / AMD Radeon 680M | NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Optimus, ROG Boost, Dynamic Boost | NVIDIA Optimus, Max-Q design |
| Gaming | Yes | Yes |
| Camera | Yes - 720p | - |
| Camera Features | IR camera, Windows Hello | - |
| Sound | Two tweeters, two woofers, array microphone | Stereo speakers, array microphone |
| Compliant Standards | Dolby Atmos | - |
| Audio Features | Noise-cancellation technology, Smart Amplification technology | ESS SABRE HiFi audio DAC technology, Smart Amp |
| VR Ready | - | Yes |
| COMMUNICATIONS | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Wireless | Bluetooth 5.2, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 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 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 90 Wh |
| AC ADAPTER | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Input | AC 100-240 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 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Type | Keyboard, touchpad | Keyboard, NumberPad, ScreenPad Plus |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Chiclet keyboard | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Interfaces | Headphone/microphone combo jack HDMI LAN 2 x USB 3.2 Gen 2 2 x USB-C 3.2 Gen 2 (supports DisplayPort Alt Mode) (Power Delivery) |
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 output Microphone input |
|---|---|---|
| Memory Card Reader | Yes (microSDXC UHS-II) | - |
| SOFTWARE | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Operating System (OS) | Windows 11 Home | Windows 10 Home |
|---|
| MISCELLANEOUS | ASUS ROG Zephyrus G15 (GA503RW) | ASUS ROG Zephyrus Duo 15 (GX550LWS) |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|---|---|
| Security Slot Type | Kensington security slot | - |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | - |
| Features | System password | System password, 65W power delivery |
| SAR Value | - | 0.028 W/kg (body), 0.028 W/kg (limb) |
| Model Number | LN031W | HF055T |
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