Asus ROG Zephyrus G16 OLED GU606 RTX 5070 (2026) vs MSI Stealth 16 AI+ B3 RTX 5080 (2026)
What ROG Zephyrus G16 OLED GU606 RTX 5070 (2026) does better (13) and where Stealth 16 AI+ B3 RTX 5080 (2026) wins (7) — every spec side by side.
vs
8.5Graphics9.5
9.2Overall performance9.4
9.7Display9.0
3.7Memory & storage5.0
9.6Battery & portability5.0
9.3Features & cooling6.1
Dimensions
Size comparison
ROG Zephyrus G16 OLED GU606 RTX 5070 (2026)Stealth 16 AI+ B3 RTX 5080 (2026)
| ROG Zephyrus G16 OLED GU606 RTX 5070 (2026) | 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 OLED GU606 RTX 5070 (2026) better than Stealth 16 AI+ B3 RTX 5080 (2026)?
- Brightness1,100 nits vs 600 nits+83%
- 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
- HDRYes · Stealth 16 AI+ B3 RTX 5080 (2026): No
- RAM typeLPDDR5X vs DDR5
- Vapor chamber coolingYes · 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
- Cinebench 2024 multi-core1,274 vs 1,247+2%
- Cooling fans3 vs 2+50%
- RAM speed8,533 MHz vs 7,200 MHz+19%
Why is Stealth 16 AI+ B3 RTX 5080 (2026) better than ROG Zephyrus G16 OLED GU606 RTX 5070 (2026)?
- 3DMark Steel Nomad Light14,532 vs 21,645+49%
- Video memory8 GB vs 16 GB2×
- GPU power (TGP)115 W vs 125 W+9%
- GPU shader cores4,608 vs 7,680+67%
- GPU compute (FP32)26.2 TFLOPS vs 32 TFLOPS+22%
- Max. supported RAM32 GB vs 128 GB4×
- Upgradable RAMNo · ROG Zephyrus G16 OLED GU606 RTX 5070 (2026): Yes
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 115 W | 125 W |
| Video memory | 8 GB | 16 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 4,608 | 7,680 |
| GPU compute (FP32) | 26.2 TFLOPS | 32 TFLOPS |
| 3DMark Steel Nomad Light | 14,532 | 21,645 |
| Processor | ||
| Processor | Core Ultra 9 386H | Core Ultra 9 386H |
| CPU maker | Intel | Intel |
| CPU cores | 16 | 16 |
| CPU threads | 16 | 16 |
| Max CPU clock | 4.9 GHz | 4.9 GHz |
| Processor options | Core Ultra 9 386H | Core Ultra 9 386H |
| Geekbench 6 multi-core | 17,034 | 16,973 |
| Geekbench 6 single-core | 2,885 | 2,859 |
| Cinebench 2024 multi-core | 1,274 | 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 | OLED | OLED |
| Brightness | 1,100 nits | 600 nits |
| sRGB coverage | 100% | 100% |
| Response time | 1 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 | Yes | 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 | 8,533 MHz | 7,200 MHz |
| Max. supported RAM | 32 GB | 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 | 250 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) | No | No |
| Fan noise (max. load) | 54.8 dB | 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 | 6 | 6 |
| Keyboard & camera | ||
| Keyboard backlight | Single-colour RGB | — |
| 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 |
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