Acer Predator Helios 18 RTX 4090 (2024) vs Asus ROG Strix Scar 18 G835 RTX 5090 (2025)
What Predator Helios 18 RTX 4090 (2024) does better (6) and where ROG Strix Scar 18 G835 RTX 5090 (2025) wins (14) — every spec side by side.
vs
8.1Graphics8.9
7.4Overall performance9.0
8.7Display9.8
5.1Memory & storage4.5
4.2Battery & portability2.7
5.3Features & cooling7.7
Dimensions
Size comparison
Predator Helios 18 RTX 4090 (2024)ROG Strix Scar 18 G835 RTX 5090 (2025)
| Predator Helios 18 RTX 4090 (2024) | ROG Strix Scar 18 G835 RTX 5090 (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 | 3.3 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 Scar 18 G835 RTX 5090 (2025)?
- SD card readerYes · ROG Strix Scar 18 G835 RTX 5090 (2025): No
- Thickness28.9 mm vs 32 mm+11%
- SSD (up to)4,096 GB vs 4,000 GB+2%
- Max CPU clock5.8 GHz vs 5.5 GHz+5%
- Fan noise (max. load)51 dB vs 53.7 dB+5%
- SSD (base)1,024 GB vs 1,000 GB+2%
Why is ROG Strix Scar 18 G835 RTX 5090 (2025) better than Predator Helios 18 RTX 4090 (2024)?
- Resolution classQHD (1440p/1600p) vs 4K (2160p/2400p)
- 3DMark Steel Nomad Light25,066 vs 30,125+20%
- Refresh rate250 Hz vs 300 Hz+20%
- GPU compute (FP32)45.2 TFLOPS vs 51.4 TFLOPS+14%
- Video memory16 GB vs 24 GB+50%
- Response time25 ms vs 3 ms8.3×
- 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
- Brightness1,000 nits vs 1,200 nits+20%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 175 W |
| Video memory | 16 GB | 24 GB |
| Video memory type | GDDR6 | GDDR7 |
| GPU shader cores | 9,728 | 10,496 |
| GPU compute (FP32) | 45.2 TFLOPS | 51.4 TFLOPS |
| 3DMark Steel Nomad Light | 25,066 | 30,125 |
| 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 | Core Ultra 9 275HX, Core Ultra 9 290HX Plus |
| 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 | 3840 × 2400 |
| Resolution class | QHD (1440p/1600p) | 4K (2160p/2400p) |
| Refresh rate | 250 Hz | 300 Hz |
| Panel type | Mini-LED | Mini-LED |
| Brightness | 1,000 nits | 1,200 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 | 4,000 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 | 3.3 kg |
| Thickness | 28.9 mm | 32 mm |
| Width | 404 mm | 399 mm |
| Depth | 311.6 mm | 298 mm |
| Body material | Aluminium, Plastic | Aluminium, Plastic |
| Colours | Black | Black |
| Cooling fans | 2 | 3 |
| Vapor chamber cooling | No | Yes |
| Liquid metal (CPU) | Yes | Yes |
| Fan noise (max. load) | 51 dB | 53.7 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 |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | No | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.0 | 4 speakers |
| Dolby Atmos | No | Yes |
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