Acer Predator Helios 18 RTX 4090 (2024) vs Asus ROG Strix G18 G815 RTX 5080 (2025)
What Predator Helios 18 RTX 4090 (2024) does better (9) and where ROG Strix G18 G815 RTX 5080 (2025) wins (9) — every spec side by side.
vs
8.1Graphics7.7
7.4Overall performance8.3
8.7Display8.6
5.1Memory & storage4.0
4.2Battery & portability3.0
5.3Features & cooling8.3
Dimensions
Size comparison
Predator Helios 18 RTX 4090 (2024)ROG Strix G18 G815 RTX 5080 (2025)
| Predator Helios 18 RTX 4090 (2024) | ROG Strix G18 G815 RTX 5080 (2025) | Difference | |
|---|---|---|---|
| Depth | 311.6 mm | 298 mm | +13.6 mm |
| Width | 404 mm | 399 mm | +5 mm |
| Thickness | 28.9 mm | 32 mm | −3.1 mm |
| Weight | 3.2 kg | 3.2 kg | = |
Drawn to the same scale from the official dimensions (front and side).
Why is Predator Helios 18 RTX 4090 (2024) better than ROG Strix G18 G815 RTX 5080 (2025)?
- SSD (up to)4,096 GB vs 1,000 GB4.1×
- Brightness1,000 nits vs 500 nits2×
- GPU compute (FP32)45.2 TFLOPS vs 42 TFLOPS+8%
- Refresh rate250 Hz vs 240 Hz+4%
- GPU shader cores9,728 vs 7,680+27%
- SD card readerYes · ROG Strix G18 G815 RTX 5080 (2025): No
- Thickness28.9 mm vs 32 mm+11%
- Max CPU clock5.8 GHz vs 5.5 GHz+5%
- SSD (base)1,024 GB vs 1,000 GB+2%
Why is ROG Strix G18 G815 RTX 5080 (2025) better than Predator Helios 18 RTX 4090 (2024)?
- Response time25 ms vs 3 ms8.3×
- 3DMark Steel Nomad Light25,066 vs 27,302+9%
- HDRNo · Predator Helios 18 RTX 4090 (2024): Yes
- RAM (base)16 GB vs 32 GB2×
- Vapor chamber coolingNo · Predator Helios 18 RTX 4090 (2024): Yes
- IR camera (face login)No · Predator Helios 18 RTX 4090 (2024): Yes
- Dolby AtmosNo · Predator Helios 18 RTX 4090 (2024): Yes
- Cooling fans2 vs 3+50%
- Fan noise (max. load)51 dB vs 49.7 dB+3%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 16 GB | 16 GB |
| Video memory type | GDDR6 | GDDR7 |
| GPU shader cores | 9,728 | 7,680 |
| GPU compute (FP32) | 45.2 TFLOPS | 42 TFLOPS |
| 3DMark Steel Nomad Light | 25,066 | 27,302 |
| Processor | ||
| Processor | Core i9-14900HX | Core Ultra 9 290HX Plus |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 24 |
| CPU threads | 32 | — |
| Max CPU clock | 5.8 GHz | 5.5 GHz |
| Processor options | Core i9-14900HX | Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX |
| Geekbench 6 multi-core | 19,916 | — |
| Geekbench 6 single-core | 3,202 | — |
| Cinebench 2024 multi-core | 1,902 | — |
| Display | ||
| Screen size | 18″ | 18″ |
| Resolution | 2560 × 1600 | 2560 × 1600 |
| Resolution class | QHD (1440p/1600p) | QHD (1440p/1600p) |
| Refresh rate | 250 Hz | 240 Hz |
| Panel type | Mini-LED | Mini-LED |
| Brightness | 1,000 nits | 500 nits |
| sRGB coverage | 100% | 100% |
| Response time | 25 ms | 3 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 168 ppi | 168 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | Yes |
| HDR | No | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 16 GB | 32 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 5,600 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 4,096 GB | 1,000 GB |
| SSD (base) | 1,024 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 | 330 W | 380 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | — | 100 W |
| Design & cooling | ||
| Weight | 3.25 kg | 3.2 kg |
| Thickness | 28.9 mm | 32 mm |
| Width | 404 mm | 399 mm |
| Depth | 311.6 mm | 298 mm |
| Body material | Aluminium, Plastic | Plastic |
| Colours | Black | Green |
| Cooling fans | 2 | 3 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 51 dB | 49.7 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 5 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 2 | 2 |
| USB-A ports | 3 | 3 |
| 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 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | Yes |
| Key travel | — | 1.7 mm |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | No | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.0 | 2.0 |
| Dolby Atmos | No | Yes |
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