Asus ROG Zephyrus G16 GU605 RTX 4090 (2024) vs Asus ROG Zephyrus G16 GU605 RTX 5090 (2025)
What ROG Zephyrus G16 GU605 RTX 4090 (2024) does better (3) and where ROG Zephyrus G16 GU605 RTX 5090 (2025) wins (13) — every spec side by side.
vs
9.3Graphics9.5
8.6Overall performance9.4
7.2Display9.5
6.9Memory & storage5.0
9.3Battery & portability9.0
9.4Features & cooling9.0
Dimensions
Size comparison
ROG Zephyrus G16 GU605 RTX 4090 (2024)ROG Zephyrus G16 GU605 RTX 5090 (2025)
| ROG Zephyrus G16 GU605 RTX 4090 (2024) | ROG Zephyrus G16 GU605 RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 246 mm | 246 mm | = |
| Width | 354 mm | 354 mm | = |
| Thickness | 17.2 mm | 17 mm | +0.2 mm |
| Weight | 1.8 kg | 2 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus G16 GU605 RTX 4090 (2024) better than ROG Zephyrus G16 GU605 RTX 5090 (2025)?
- SSD (up to)4,096 GB vs 2,000 GB2×
- Weight1.85 kg vs 1.95 kg+5%
- Fan noise (max. load)46.4 dB vs 68 dB+47%
Why is ROG Zephyrus G16 GU605 RTX 5090 (2025) better than ROG Zephyrus G16 GU605 RTX 4090 (2024)?
- Panel typeIPS vs OLED
- GPU power (TGP)115 W vs 120 W+4%
- 3DMark Steel Nomad Light19,706 vs 24,671+25%
- GPU compute (FP32)31.2 TFLOPS vs 37.9 TFLOPS+21%
- Video memory16 GB vs 24 GB+50%
- Response time3 ms vs 1 ms3×
- SSD (base)512 GB vs 2,000 GB3.9×
- Brightness400 nits vs 500 nits+25%
- HDRNo · ROG Zephyrus G16 GU605 RTX 4090 (2024): Yes
- RAM (base)16 GB vs 32 GB2×
- GPU shader cores9,728 vs 10,496+8%
- Wi-Fi standardWi-Fi 6E vs Wi-Fi 7+8%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 115 W | 120 W |
| Video memory | 16 GB | 24 GB |
| Video memory type | GDDR6 | GDDR7 |
| GPU shader cores | 9,728 | 10,496 |
| GPU compute (FP32) | 31.2 TFLOPS | 37.9 TFLOPS |
| 3DMark Steel Nomad Light | 19,706 | 24,671 |
| Processor | ||
| Processor | Core Ultra 7 155H | Core Ultra 9 285H |
| CPU maker | Intel | Intel |
| CPU cores | 16 | 16 |
| CPU threads | 22 | — |
| Max CPU clock | 4.8 GHz | 5.4 GHz |
| Processor options | Core Ultra 7 155H, Core Ultra 9 185H | Core i7-14650HX, Core Ultra 9 285H |
| Geekbench 6 multi-core | 12,605 | — |
| Geekbench 6 single-core | 2,455 | — |
| Cinebench 2024 multi-core | 961 | — |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | 240 Hz | 240 Hz |
| Panel type | IPS | OLED |
| Brightness | 400 nits | 500 nits |
| sRGB coverage | — | 100% |
| Response time | 3 ms | 1 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 189 ppi | 189 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | No | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 32 GB | 32 GB |
| RAM (base) | 16 GB | 32 GB |
| RAM type | LPDDR5X | LPDDR5X |
| RAM speed | 7,467 MHz | 7,467 MHz |
| Upgradable RAM | No | No |
| SSD (up to) | 4,096 GB | 2,000 GB |
| SSD (base) | 512 GB | 2,000 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | 240 W | 240 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 1.85 kg | 1.95 kg |
| Thickness | 17.2 mm | 17 mm |
| Width | 354 mm | 354 mm |
| Depth | 246 mm | 246 mm |
| Body material | Aluminium | Aluminium |
| Colours | White, Gray | Grey |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 46.4 dB | 68 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 2 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| Ethernet port | No | Yes |
| SD card reader | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | No |
| 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 | 2.4 | 4 speakers |
| Dolby Atmos | Yes | Yes |
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