Asus ROG Strix G18 G815 RTX 5080 (2025) vs Asus ROG Zephyrus G16 OLED GU606 RTX 5070 Ti (2026)
What ROG Strix G18 G815 RTX 5080 (2025) does better (12) and where ROG Zephyrus G16 OLED GU606 RTX 5070 Ti (2026) wins (10) — every spec side by side.
vs
7.7Graphics9.0
7.8Overall performance9.3
8.6Display9.7
3.2Memory & storage4.2
3.0Battery & portability9.6
8.2Features & cooling9.3
Dimensions
Size comparison
ROG Strix G18 G815 RTX 5080 (2025)ROG Zephyrus G16 OLED GU606 RTX 5070 Ti (2026)
| ROG Strix G18 G815 RTX 5080 (2025) | ROG Zephyrus G16 OLED GU606 RTX 5070 Ti (2026) | Difference | |
|---|---|---|---|
| Depth | 298 mm | 246 mm | +52 mm |
| Width | 399 mm | 354 mm | +45 mm |
| Thickness | 32 mm | 16 mm | +16 mm |
| Weight | 3.2 kg | 1.8 kg | +1.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G815 RTX 5080 (2025) better than ROG Zephyrus G16 OLED GU606 RTX 5070 Ti (2026)?
- GPU power (TGP)175 W vs 115 W+52%
- GPU compute (FP32)42 TFLOPS vs 26.8 TFLOPS+57%
- 3DMark Steel Nomad Light27,302 vs 18,998+44%
- CPU cores24 vs 16+50%
- Video memory16 GB vs 12 GB+33%
- GPU shader cores7,680 vs 5,888+30%
- Upgradable RAMYes · ROG Zephyrus G16 OLED GU606 RTX 5070 Ti (2026): No
- Liquid metal (CPU)Yes · ROG Zephyrus G16 OLED GU606 RTX 5070 Ti (2026): No
- USB-A ports3 vs 2+50%
- Screen size18″ vs 16″+12%
- Max CPU clock5.5 GHz vs 4.9 GHz+12%
- Fan noise (max. load)49.7 dB vs 54.8 dB+10%
Why is ROG Zephyrus G16 OLED GU606 RTX 5070 Ti (2026) better than ROG Strix G18 G815 RTX 5080 (2025)?
- Weight3.2 kg vs 1.85 kg+73%
- Brightness500 nits vs 1,100 nits2.2×
- Panel typeMini-LED vs OLED
- Thickness32 mm vs 16 mm2×
- Response time3 ms vs 1 ms3×
- RAM typeDDR5 vs LPDDR5X
- SD card readerNo · ROG Strix G18 G815 RTX 5080 (2025): Yes
- RAM speed5,600 MHz vs 8,533 MHz+52%
- Pixel density168 ppi vs 189 ppi+12%
- Bluetooth5.4 vs 6+11%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5080 Laptop | GeForce RTX 5070 Ti Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 115 W |
| Video memory | 16 GB | 12 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 7,680 | 5,888 |
| GPU compute (FP32) | 42 TFLOPS | 26.8 TFLOPS |
| 3DMark Steel Nomad Light | 27,302 | 18,998 |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Core Ultra 9 386H |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 16 |
| CPU threads | — | 16 |
| Max CPU clock | 5.5 GHz | 4.9 GHz |
| Processor options | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX | Core Ultra 9 386H |
| Geekbench 6 multi-core | — | 17,034 |
| Geekbench 6 single-core | — | 2,885 |
| Cinebench 2024 multi-core | — | 1,274 |
| Display | ||
| Screen size | 18″ | 16″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | 240 Hz | 240 Hz |
| Panel type | Mini-LED | OLED |
| Brightness | 500 nits | 1,100 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 1 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 168 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) | 32 GB | 32 GB |
| RAM (base) | 32 GB | 32 GB |
| RAM type | DDR5 | LPDDR5X |
| RAM speed | 5,600 MHz | 8,533 MHz |
| Max. supported RAM | 64 GB | — |
| RAM slots | 2 | — |
| Upgradable RAM | Yes | No |
| 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 | 380 W | 250 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | — |
| Design & cooling | ||
| Weight | 3.2 kg | 1.85 kg |
| Thickness | 32 mm | 16 mm |
| Width | 399 mm | 354 mm |
| Depth | 298 mm | 246 mm |
| Body material | Plastic | Aluminium |
| Colours | Green | White |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | Yes | No |
| Fan noise (max. load) | 49.7 dB | 54.8 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 3 | 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 | No | Yes |
| 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 | Yes | 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 | 2.0 | 4 speakers |
| Dolby Atmos | Yes | Yes |
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