Asus ROG Zephyrus G14 GA403 RTX 5080 (2025) vs Asus ROG Zephyrus G16 GU605 RTX 5090 (2025)
What ROG Zephyrus G14 GA403 RTX 5080 (2025) does better (7) and where ROG Zephyrus G16 GU605 RTX 5090 (2025) wins (15) — every spec side by side.
vs
9.1Graphics9.5
9.6Overall performance9.4
8.7Display9.5
7.1Memory & storage5.0
6.6Battery & portability9.0
8.5Features & cooling9.0
Dimensions
Size comparison
ROG Zephyrus G14 GA403 RTX 5080 (2025)ROG Zephyrus G16 GU605 RTX 5090 (2025)
| ROG Zephyrus G14 GA403 RTX 5080 (2025) | ROG Zephyrus G16 GU605 RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 220 mm | 246 mm | −26 mm |
| Width | 311 mm | 354 mm | −43 mm |
| Thickness | 18.3 mm | 17 mm | +1.3 mm |
| Weight | 1.6 kg | 2 kg | −0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus G14 GA403 RTX 5080 (2025) better than ROG Zephyrus G16 GU605 RTX 5090 (2025)?
- RAM (up to)64 GB vs 32 GB2×
- Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
- Weight1.57 kg vs 1.95 kg+24%
- SSD (up to)2,048 GB vs 2,000 GB+2%
- Pixel density243 ppi vs 189 ppi+29%
- Fan noise (max. load)54.4 dB vs 68 dB+25%
- RAM speed8,000 MHz vs 7,467 MHz+7%
Why is ROG Zephyrus G16 GU605 RTX 5090 (2025) better than ROG Zephyrus G14 GA403 RTX 5080 (2025)?
- Refresh rate120 Hz vs 240 Hz2×
- Battery capacity73 Wh vs 90 Wh+23%
- GPU power (TGP)110 W vs 120 W+9%
- GPU compute (FP32)29 TFLOPS vs 37.9 TFLOPS+31%
- 3DMark Steel Nomad Light19,682 vs 24,671+25%
- Video memory16 GB vs 24 GB+50%
- GPU shader cores7,680 vs 10,496+37%
- CPU cores12 vs 16+33%
- RAM (base)16 GB vs 32 GB2×
- M.2 SSD slots1 vs 22×
- Vapor chamber coolingNo · ROG Zephyrus G14 GA403 RTX 5080 (2025): Yes
- SSD (base)1,024 GB vs 2,000 GB+95%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5080 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 110 W | 120 W |
| Video memory | 16 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 7,680 | 10,496 |
| GPU compute (FP32) | 29 TFLOPS | 37.9 TFLOPS |
| 3DMark Steel Nomad Light | 19,682 | 24,671 |
| Processor | ||
| Processor | Ryzen AI 9 HX 370 | Core Ultra 9 285H |
| CPU maker | AMD | Intel |
| CPU cores | 12 | 16 |
| CPU threads | 24 | — |
| Max CPU clock | 5.1 GHz | 5.4 GHz |
| Processor options | Ryzen AI 9 HX 370, Ryzen 9 270 | Core i7-14650HX, Core Ultra 9 285H |
| Geekbench 6 multi-core | 16,330 | — |
| Geekbench 6 single-core | 3,035 | — |
| Cinebench 2024 multi-core | 1,261 | — |
| Display | ||
| Screen size | 14″ | 16″ |
| Resolution | 2880 × 1800 | 2560 × 1600 |
| Resolution class | 3K (1800p/2000p) | QHD (1440p/1600p) |
| Refresh rate | 120 Hz | 240 Hz |
| Panel type | OLED | OLED |
| Brightness | 500 nits | 500 nits |
| sRGB coverage | 100% | 100% |
| Response time | 1 ms | 1 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 243 ppi | 189 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 32 GB |
| RAM (base) | 16 GB | 32 GB |
| RAM type | LPDDR5X | LPDDR5X |
| RAM speed | 8,000 MHz | 7,467 MHz |
| Upgradable RAM | No | No |
| SSD (up to) | 2,048 GB | 2,000 GB |
| SSD (base) | 1,024 GB | 2,000 GB |
| M.2 SSD slots | 1 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 73 Wh | 90 Wh |
| Power adapter | 200 W | 240 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 1.57 kg | 1.95 kg |
| Thickness | 18.3 mm | 17 mm |
| Width | 311 mm | 354 mm |
| Depth | 220 mm | 246 mm |
| Body material | Aluminium | Aluminium |
| Colours | White, Black | Grey |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 54.4 dB | 68 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | USB4 | 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 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 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 | 2.2 | 4 speakers |
| Dolby Atmos | Yes | Yes |
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