Asus ROG Zephyrus G16 GA605 RTX 5070 (2025) vs MSI Stealth 16 AI+ B3 RTX 5080 (2026)
What ROG Zephyrus G16 GA605 RTX 5070 (2025) does better (11) and where Stealth 16 AI+ B3 RTX 5080 (2026) wins (12) — every spec side by side.
vs
8.0Graphics9.5
7.7Overall performance9.4
7.9Display9.0
4.0Memory & storage5.0
9.6Battery & portability5.0
9.7Features & cooling6.1
Dimensions
Size comparison
ROG Zephyrus G16 GA605 RTX 5070 (2025)Stealth 16 AI+ B3 RTX 5080 (2026)
| ROG Zephyrus G16 GA605 RTX 5070 (2025) | Stealth 16 AI+ B3 RTX 5080 (2026) | Difference | |
|---|---|---|---|
| Depth | 246 mm | 246 mm | = |
| Width | 354 mm | 354 mm | = |
| Thickness | 16 mm | 20 mm | −4 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 GA605 RTX 5070 (2025) better than Stealth 16 AI+ B3 RTX 5080 (2026)?
- Response time0.2 ms vs 1 ms5×
- Weight1.85 kg vs 1.99 kg+8%
- Thickness16 mm vs 20 mm+25%
- G-Sync / FreeSyncYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
- RAM typeLPDDR5X vs DDR5
- Vapor chamber coolingYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
- Liquid metal (CPU)Yes · Stealth 16 AI+ B3 RTX 5080 (2026): No
- SD card readerYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
- Dolby AtmosYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
- Cooling fans3 vs 2+50%
- RAM speed7,500 MHz vs 7,200 MHz+4%
Why is Stealth 16 AI+ B3 RTX 5080 (2026) better than ROG Zephyrus G16 GA605 RTX 5070 (2025)?
- 3DMark Steel Nomad Light14,148 vs 21,645+53%
- Video memory8 GB vs 16 GB2×
- CPU cores8 vs 162×
- Panel typeIPS vs OLED
- GPU power (TGP)105 W vs 125 W+19%
- GPU compute (FP32)24.2 TFLOPS vs 32 TFLOPS+32%
- Geekbench 6 multi-core13,586 vs 16,973+25%
- GPU shader cores4,608 vs 7,680+67%
- Brightness400 nits vs 600 nits+50%
- Cinebench 2024 multi-core895 vs 1,247+39%
- Upgradable RAMNo · ROG Zephyrus G16 GA605 RTX 5070 (2025): Yes
- Bluetooth5.4 vs 6+11%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 105 W | 125 W |
| Video memory | 8 GB | 16 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 4,608 | 7,680 |
| GPU compute (FP32) | 24.2 TFLOPS | 32 TFLOPS |
| 3DMark Steel Nomad Light | 14,148 | 21,645 |
| Processor | ||
| Processor | Ryzen AI 7 350 | Core Ultra 9 386H |
| CPU maker | AMD | Intel |
| CPU cores | 8 | 16 |
| CPU threads | 16 | 16 |
| Max CPU clock | 5 GHz | 4.9 GHz |
| Processor options | Ryzen AI 7 350, Ryzen AI 9 HX 370, Ryzen AI 9 365 | Core Ultra 9 386H |
| Geekbench 6 multi-core | 13,586 | 16,973 |
| Geekbench 6 single-core | 2,864 | 2,859 |
| Cinebench 2024 multi-core | 895 | 1,247 |
| 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 | 600 nits |
| sRGB coverage | — | 100% |
| Response time | 0.2 ms | 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 | No | No |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 32 GB | 32 GB |
| RAM (base) | 32 GB | 32 GB |
| RAM type | LPDDR5X | DDR5 |
| RAM speed | 7,500 MHz | 7,200 MHz |
| Max. supported RAM | — | 128 GB |
| RAM slots | — | 2 |
| Upgradable RAM | No | Yes |
| SSD (up to) | 1,000 GB | 1,000 GB |
| SSD (base) | 1,000 GB | 1,000 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 | 200 W | 240 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | — | 100 W |
| Design & cooling | ||
| Weight | 1.85 kg | 1.99 kg |
| Thickness | 16 mm | 20 mm |
| Width | 354 mm | 354 mm |
| Depth | 246 mm | 246 mm |
| Body material | Aluminium | Aluminium |
| Colours | Grey | Black |
| Cooling fans | 3 | 2 |
| Vapor chamber cooling | Yes | No |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | — | 56.7 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | USB4 |
| 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 | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | No |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | No |
| Key travel | 1.7 mm | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | Yes |
| Audio | ||
| Speakers | 4 speakers | 2.2 |
| Dolby Atmos | Yes | No |
Related comparisons
vs
Asus ROG Zephyrus G16 GA605 RTX 5070 (2025)vsMSI Stealth A16 AI+ A3 RTX 5080 (2025)8.88.6
vsAsus ROG Zephyrus G14 GA403 RTX 5070 Ti (2025)vsAsus ROG Zephyrus G16 GA605 RTX 5070 (2025)8.88.8vs
Asus ROG Zephyrus G16 GA605 RTX 5070 (2025)vsAcer Swift X 14 SFX14-73 RTX 5070 (2025)8.89.0
vsAsus ROG Zephyrus G16 GA605 RTX 4060 (2024)vsAsus ROG Zephyrus G16 GA605 RTX 5070 (2025)7.18.8
vsAsus ROG Zephyrus G14 GA403 RTX 4050 (2024)vsAsus ROG Zephyrus G16 GA605 RTX 5070 (2025)6.08.8
vsAsus ROG Zephyrus G14 GA403 RTX 5060 (2026)vsAsus ROG Zephyrus G16 GA605 RTX 5070 (2025)8.48.8