Asus ROG Zephyrus G16 GU605 RTX 5090 (2025) vs MSI Stealth 16 AI Studio RTX 4080 (2024)
What ROG Zephyrus G16 GU605 RTX 5090 (2025) does better (20) and where Stealth 16 AI Studio RTX 4080 (2024) wins (4) — every spec side by side.
vs
9.5Graphics8.9
9.4Overall performance8.9
9.5Display7.1
5.0Memory & storage9.7
9.0Battery & portability8.3
9.0Features & cooling7.3
Dimensions
Size comparison
ROG Zephyrus G16 GU605 RTX 5090 (2025)Stealth 16 AI Studio RTX 4080 (2024)
| ROG Zephyrus G16 GU605 RTX 5090 (2025) | Stealth 16 AI Studio RTX 4080 (2024) | Difference | |
|---|---|---|---|
| Depth | 246 mm | 259.7 mm | −13.7 mm |
| Width | 354 mm | 355.8 mm | −1.8 mm |
| Thickness | 17 mm | 19.9 mm | −2.9 mm |
| Weight | 2 kg | 2 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus G16 GU605 RTX 5090 (2025) better than Stealth 16 AI Studio RTX 4080 (2024)?
- Video memory24 GB vs 12 GB2×
- Panel typeOLED vs IPS
- 3DMark Steel Nomad Light24,671 vs 16,873+46%
- GPU compute (FP32)37.9 TFLOPS vs 27.2 TFLOPS+39%
- GPU power (TGP)120 W vs 105 W+14%
- GPU shader cores10,496 vs 7,424+41%
- Weight1.95 kg vs 1.99 kg+2%
- G-Sync / FreeSyncYes · Stealth 16 AI Studio RTX 4080 (2024): No
- HDRYes · Stealth 16 AI Studio RTX 4080 (2024): No
- RAM (base)32 GB vs 16 GB2×
- RAM typeLPDDR5X vs DDR5
- Vapor chamber coolingYes · Stealth 16 AI Studio RTX 4080 (2024): No
Why is Stealth 16 AI Studio RTX 4080 (2024) better than ROG Zephyrus G16 GU605 RTX 5090 (2025)?
- RAM (up to)32 GB vs 96 GB3×
- SSD (up to)2,000 GB vs 4,096 GB2×
- Battery capacity90 Wh vs 100 Wh+11%
- Upgradable RAMNo · ROG Zephyrus G16 GU605 RTX 5090 (2025): Yes
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 4080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 120 W | 105 W |
| Video memory | 24 GB | 12 GB |
| Video memory type | GDDR7 | GDDR6 |
| GPU shader cores | 10,496 | 7,424 |
| GPU compute (FP32) | 37.9 TFLOPS | 27.2 TFLOPS |
| 3DMark Steel Nomad Light | 24,671 | 16,873 |
| Processor | ||
| Processor | Core Ultra 9 285H | Core Ultra 7 155H |
| CPU maker | Intel | Intel |
| CPU cores | 16 | 16 |
| CPU threads | — | 22 |
| Max CPU clock | 5.4 GHz | 4.8 GHz |
| Processor options | Core i7-14650HX, Core Ultra 9 285H | Core Ultra 7 155H, Core Ultra 9 185H |
| Geekbench 6 multi-core | — | 12,864 |
| Geekbench 6 single-core | — | 2,489 |
| Cinebench 2024 multi-core | — | 969 |
| 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 | OLED | IPS |
| Brightness | 500 nits | — |
| sRGB coverage | 100% | — |
| Response time | 1 ms | — |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 189 ppi | 189 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | No |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | Yes | No |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 32 GB | 96 GB |
| RAM (base) | 32 GB | 16 GB |
| RAM type | LPDDR5X | DDR5 |
| RAM speed | 7,467 MHz | 5,600 MHz |
| Max. supported RAM | — | 96 GB |
| RAM slots | — | 2 |
| Upgradable RAM | No | Yes |
| SSD (up to) | 2,000 GB | 4,096 GB |
| SSD (base) | 2,000 GB | 1,024 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 100 Wh |
| Power adapter | 240 W | 240 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 1.95 kg | 1.99 kg |
| Thickness | 17 mm | 19.9 mm |
| Width | 354 mm | 355.8 mm |
| Depth | 246 mm | 259.7 mm |
| Body material | Aluminium | Aluminium |
| Colours | Grey | Blue |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | Yes | No |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 68 dB | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 2 | 1 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | No | No |
| 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 | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | Yes |
| Key travel | 1.7 mm | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | Yes |
| Audio | ||
| Speakers | 4 speakers | 2.4 |
| Dolby Atmos | Yes | No |
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