In depth comparison and review of ASUS ROG Zephyrus Duo 15 (GX550LWS) and ASUS ROG Zephyrus M15 (GU502LW). 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 Duo 15 (GX550LWS) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-screen design
powerful gaming performance
high-refresh-rate display
premium build quality
effective cooling system
high price point
short battery life
heavy and bulky
limited port selection
Advantages and disadvantages of ASUS ROG Zephyrus M15 (GU502LW) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful gaming performance
high-refresh-rate display
sleek, portable design
good thermal management
RGB keyboard lighting
average battery life
no webcam
limited port selection
premium price tag
| DESIGN AND DIMENSIONS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36 cm x 26.8 cm x 2 cm | 36 cm x 25.2 cm x 1.99 cm |
| Weight | 2.48 kg | 1.9 kg |
| Case Material | - | Magnesium alloy |
| Colour | Gunmetal gray | Prism black | Brushed black |
| DISPLAY | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Screen Size (Type) | 15.6" | 15.6" |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 3840 x 2160 (Ultra HD 4K) |
| V-Sync Rate at Max Res. | 300 Hz | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 300 cd/m² | 400 cd/m² |
| Colour Gamut | 100% sRGB, 72% NTSC, 75.35% Adobe RGB | 100% sRGB, 132.7% sRGB, 95.54% NTSC |
| Features | Anti-glare, 3 ms response rate, Pantone Validated, 72% NTSC colour gamut | Anti-glare, Pantone Validated, 170° horizontal and vertical viewing angle |
| PROCESSOR | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| CPU | Intel Core i7 (10th Gen) 10875H / 2.3 GHz | Intel Core i7 (10th Gen) 10750H / 2.6 GHz |
|---|---|---|
| Max Turbo Speed | 5.1 GHz | 5 GHz |
| Number of Cores | 8-core | 6-core |
| Cache | 16 MB | 12 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Intel HM470 | Intel HM470 |
| Features | Hyper-Threading Technology, Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 | Intel Smart Cache, Intel Turbo Boost Max Technology 3.0 |
| MEMORY | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| RAM | 32 GB (1 x 16 GB + 16 GB (soldered)) | 16 GB (1 x 8 GB + 8 GB (soldered)) |
|---|---|---|
| Max RAM Supported | 48 GB | 24 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2933 MHz | 2933 MHz |
| Rated Speed | 3200 MHz | 2933 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 1 | 1 |
| Empty Slots | 0 | 0 |
| STORAGE | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Total Capacity | - | 1.024 TB |
|---|---|---|
| Main Storage Size (HDD/SSD) | 1 TB SSD M.2 PCIe - NVM Express (NVMe) | 2 x 512 GB SSD M.2 PCIe - NVM Express (NVMe) |
| RAID Level | - | RAID 0 |
| AUDIO & VIDEO | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | 1 single GPU card / integrated GPU |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2070 SUPER / Intel UHD Graphics | NVIDIA GeForce RTX 2070 / Intel UHD Graphics |
| Video Memory | 8 GB GDDR6 SDRAM | 8 GB GDDR6 SDRAM |
| Video System Features | NVIDIA Optimus, Max-Q design | NVIDIA Optimus, Max-Q design |
| Gaming | Yes | Yes |
| Sound | Stereo speakers, array microphone | Stereo speakers, array microphone |
| Audio Features | ESS SABRE HiFi audio DAC technology, Smart Amp | ESS SABRE HiFi audio DAC technology, Smart Amplification technology |
| VR Ready | Yes | Yes |
| COMMUNICATIONS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| 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) |
| BATTERY | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Technology | 4-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Battery Capacity (Size) | 90 Wh | 76 Wh |
| Battery Life | - | Up to 8.41 hours |
| Battery Run Time | - | Video playback: up to 8.41 hours Web browsing: up to 7.47 hours |
| AC ADAPTER | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 240 Watt, 20 V, 12 A | 230 Watt, 19.5 V, 11.8 A |
| INPUT | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Type | Keyboard, NumberPad, ScreenPad Plus | Keyboard, touchpad |
|---|---|---|
| Keyboard Backlight | Yes (RGB) | Yes (RGB) |
| Features | Chiclet keyboard, N-key rollover, per-key RGB, 14" 4K UHD (3840 x 1100) touch display | Chiclet keyboard, N-key rollover |
| CONNECTIONS & EXPANSIONS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Interfaces | 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 |
USB-C 3.2 Gen 2 (supports Thunderbolt 3, DisplayPort 1.4 Alt Mode) (Power Delivery) 2 x USB 3.2 Gen 1 USB 3.2 Gen 2 HDMI LAN Headphone output Microphone input |
|---|
| SOFTWARE | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| Operating System (OS) | Windows 10 Home | Windows 10 Home |
|---|---|---|
| Software Included | - | Microsoft 365 (30 days trial), Sonic Studio III, Armoury Crate, GameVisual, GameFirst VI |
| MISCELLANEOUS | ASUS ROG Zephyrus Duo 15 (GX550LWS) | ASUS ROG Zephyrus M15 (GU502LW) |
|---|
| 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, 65W power delivery | System password, ASUS Aura Sync technology, 65W power delivery |
| SAR Value | 0.028 W/kg (body), 0.028 W/kg (limb) | 0.47 W/kg (body), 0.47 W/kg (limb) |
| Model Number | HF055T | HC032T |
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