Asus ROG Strix G18 G814 RTX 5070 (2025) vs Asus ROG Strix G18 G815 RTX 5080 (2026)
What ROG Strix G18 G814 RTX 5070 (2025) does better (2) and where ROG Strix G18 G815 RTX 5080 (2026) wins (8) — every spec side by side.
vs
3.8Display8.3
2.1Memory & storage5.1
8.7Battery & portability2.3
2.3Features & cooling7.5
Dimensions
Size comparison
ROG Strix G18 G814 RTX 5070 (2025)ROG Strix G18 G815 RTX 5080 (2026)
| ROG Strix G18 G814 RTX 5070 (2025) | ROG Strix G18 G815 RTX 5080 (2026) | Difference | |
|---|---|---|---|
| Depth | 294 mm | 294 mm | = |
| Width | 399 mm | 399 mm | = |
| Thickness | 23 mm | 32 mm | −9 mm |
| Weight | 3 kg | 3.5 kg | −0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G18 G814 RTX 5070 (2025) better than ROG Strix G18 G815 RTX 5080 (2026)?
- Weight3 kg vs 3.5 kg+17%
- Thickness23 mm vs 32 mm+39%
Why is ROG Strix G18 G815 RTX 5080 (2026) better than ROG Strix G18 G814 RTX 5070 (2025)?
- Refresh rate144 Hz vs 300 Hz2.1×
- RAM (up to)32 GB vs 64 GB2×
- SSD (up to)1,000 GB vs 4,096 GB4.1×
- Video memory8 GB vs 16 GB2×
- GPU shader cores4,608 vs 7,680+67%
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 7+17%
- Webcam720p vs 1,080p+50%
- SSD (base)1,000 GB vs 1,024 GB+2%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | — | 175 W |
| Video memory | 8 GB | 16 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 4,608 | 7,680 |
| GPU compute (FP32) | — | 42 TFLOPS |
| 3DMark Steel Nomad Light | — | 26,124 |
| Processor | ||
| Processor | Ryzen 9 9955HX | Core Ultra 9 290HX Plus |
| CPU maker | AMD | Intel |
| CPU cores | — | 24 |
| CPU threads | — | 24 |
| Max CPU clock | — | 5.5 GHz |
| Processor options | Ryzen 9 8940HX, Ryzen 9 9955HX | Core Ultra 9 290HX Plus |
| Geekbench 6 multi-core | — | 23,356 |
| Geekbench 6 single-core | — | 3,484 |
| Cinebench 2024 multi-core | — | 2,626 |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | 144 Hz | 300 Hz |
| Panel type | IPS | IPS |
| Brightness | — | 500 nits |
| sRGB coverage | — | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | — | 100% |
| Pixel density | — | 168 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | — | Yes |
| Advanced Optimus | — | No |
| MUX switch | — | Yes |
| HDR | — | Yes |
| Touchscreen | — | No |
| Memory & storage | ||
| RAM (up to) | 32 GB | 64 GB |
| RAM (base) | 16 GB | 16 GB |
| RAM type | — | DDR5 |
| RAM speed | — | 5,600 MHz |
| Max. supported RAM | — | 64 GB |
| RAM slots | — | 2 |
| Upgradable RAM | — | Yes |
| SSD (up to) | 1,000 GB | 4,096 GB |
| SSD (base) | 1,000 GB | 1,024 GB |
| M.2 SSD slots | — | 2 |
| SSD interface | — | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | 330 W | 380 W |
| USB-C charging (Power Delivery) | — | Yes |
| USB-C charging power | — | 100 W |
| Design & cooling | ||
| Weight | 3 kg | 3.5 kg |
| Thickness | 23 mm | 32 mm |
| Width | 399 mm | 399 mm |
| Depth | 294 mm | 294 mm |
| Body material | — | Plastic |
| Colours | Grey | Gray, Green |
| Cooling fans | — | 3 |
| Vapor chamber cooling | — | Yes |
| Liquid metal (CPU) | — | Yes |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 5 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | — | 2 |
| USB-A ports | — | 3 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | — | No |
| Ethernet port | Yes | Yes |
| SD card reader | — | No |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | — | Yes |
| Numeric keypad | — | Yes |
| Key travel | — | 1.7 mm |
| Webcam | 720p | 1,080p |
| IR camera (face login) | — | Yes |
| Fingerprint reader | — | No |
| Audio | ||
| Speakers | 2 speakers | 2.0 |
| Dolby Atmos | Yes | Yes |
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