Asus ROG Zephyrus G16 GU605 RTX 5090 (2025) vs Gigabyte Aorus Master 18 RTX 5090 (2025)
What ROG Zephyrus G16 GU605 RTX 5090 (2025) does better (8) and where Aorus Master 18 RTX 5090 (2025) wins (16) — every spec side by side.
vs
9.5Graphics9.8
9.8Overall performance9.4
9.5Display8.8
7.3Memory & storage9.4
9.0Battery & portability6.4
9.0Features & cooling9.5
Dimensions
Size comparison
ROG Zephyrus G16 GU605 RTX 5090 (2025)Aorus Master 18 RTX 5090 (2025)
| ROG Zephyrus G16 GU605 RTX 5090 (2025) | Aorus Master 18 RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 246 mm | 287 mm | −41 mm |
| Width | 354 mm | 401 mm | −47 mm |
| Thickness | 17 mm | 30 mm | −13 mm |
| Weight | 2 kg | 3.5 kg | −1.6 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus G16 GU605 RTX 5090 (2025) better than Aorus Master 18 RTX 5090 (2025)?
- Weight1.95 kg vs 3.5 kg+79%
- Panel typeOLED vs Mini-LED
- Thickness17 mm vs 30 mm+76%
- Response time1 ms vs 5 ms5×
- RAM typeLPDDR5X vs DDR5
- Liquid metal (CPU)Yes · Aorus Master 18 RTX 5090 (2025): No
- RAM speed7,467 MHz vs 4,800 MHz+56%
- Pixel density189 ppi vs 168 ppi+12%
Why is Aorus Master 18 RTX 5090 (2025) better than ROG Zephyrus G16 GU605 RTX 5090 (2025)?
- RAM (up to)64 GB vs 192 GB3×
- GPU power (TGP)120 W vs 175 W+46%
- SSD (up to)2,000 GB vs 8,000 GB4×
- Brightness500 nits vs 1,200 nits2.4×
- GPU compute (FP32)37.9 TFLOPS vs 51.4 TFLOPS+36%
- 3DMark Steel Nomad Light24,671 vs 32,908+33%
- Battery capacity90 Wh vs 99 Wh+10%
- CPU cores16 vs 24+50%
- Advanced OptimusNo · ROG Zephyrus G16 GU605 RTX 5090 (2025): Yes
- Upgradable RAMNo · ROG Zephyrus G16 GU605 RTX 5090 (2025): Yes
- SSD (base)2,000 GB vs 4,000 GB2×
- M.2 SSD slots2 vs 3+50%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 120 W | 175 W |
| Video memory | 24 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 10,496 | 10,496 |
| GPU compute (FP32) | 37.9 TFLOPS | 51.4 TFLOPS |
| 3DMark Steel Nomad Light | 24,671 | 32,908 |
| Processor | ||
| Processor | Core Ultra 9 285H | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | 16 | 24 |
| CPU threads | — | 24 |
| Max CPU clock | 5.4 GHz | 5.4 GHz |
| Processor options | Core i7-14650HX, Core Ultra 9 285H | Core Ultra 9 275HX |
| Geekbench 6 multi-core | — | 22,441 |
| Geekbench 6 single-core | — | 3,342 |
| Cinebench 2024 multi-core | — | 2,132 |
| Display | ||
| Screen size | 16″ | 18″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | 240 Hz | 240 Hz |
| Panel type | OLED | Mini-LED |
| Brightness | 500 nits | 1,200 nits |
| sRGB coverage | 100% | 100% |
| Response time | 1 ms | 5 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 189 ppi | 168 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | Yes |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 192 GB |
| RAM (base) | 64 GB | 64 GB |
| RAM type | LPDDR5X | DDR5 |
| RAM speed | 7,467 MHz | 4,800 MHz |
| Max. supported RAM | — | 128 GB |
| RAM slots | — | 2 |
| Upgradable RAM | No | Yes |
| SSD (up to) | 2,000 GB | 8,000 GB |
| SSD (base) | 2,000 GB | 4,000 GB |
| M.2 SSD slots | 2 | 3 |
| SSD interface | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 99 Wh |
| Power adapter | 240 W | 400 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 1.95 kg | 3.5 kg |
| Thickness | 17 mm | 30 mm |
| Width | 354 mm | 401 mm |
| Depth | 246 mm | 287 mm |
| Body material | Aluminium | Plastic |
| Colours | Grey | Grey |
| Cooling fans | 3 | 4 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 68 dB | 53 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | Yes |
| Ethernet | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 5.4 |
| Keyboard & camera | ||
| Keyboard backlight | — | Single-colour RGB |
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | Yes |
| Key travel | 1.7 mm | 1.7 mm |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 4 speakers | 2 speakers |
| Dolby Atmos | Yes | Yes |
Related comparisons
vs
Asus ROG Zephyrus G14 GU405 RTX 5070 (2026)vsAsus ROG Zephyrus G16 GU605 RTX 5090 (2025)8.69.6
vsAsus ROG Zephyrus G14 GU405 RTX 5080 (2026)vsAsus ROG Zephyrus G16 GU605 RTX 5090 (2025)9.39.6
vsAsus ProArt P16 H7606 RTX 5090 (2025)vsAsus ROG Zephyrus G16 GU605 RTX 5090 (2025)9.69.6
vsAsus ROG Zephyrus G16 GU605 RTX 4070 (2024)vsAsus ROG Zephyrus G16 GU605 RTX 5090 (2025)8.49.6vs
Asus ROG Zephyrus G16 GU605 RTX 5090 (2025)vsAsus ROG Zephyrus G16 GU606 RTX 5060 (2026)9.69.5
vsAsus ROG Zephyrus G14 GU405 RTX 5060 (2026)vsAsus ROG Zephyrus G16 GU605 RTX 5090 (2025)8.69.6