Asus ROG Strix Scar 16 G635 RTX 5090 (2025) vs Asus ROG Zephyrus M16 GU604 RTX 4080 (2023)
What ROG Strix Scar 16 G635 RTX 5090 (2025) does better (13) and where ROG Zephyrus M16 GU604 RTX 4080 (2023) wins (6) — every spec side by side.
vs
9.7Graphics9.1
9.7Overall performance8.6
9.6Display9.2
6.7Memory & storage7.2
3.1Battery & portability9.1
9.6Features & cooling8.4
Dimensions
Size comparison
ROG Strix Scar 16 G635 RTX 5090 (2025)ROG Zephyrus M16 GU604 RTX 4080 (2023)
| ROG Strix Scar 16 G635 RTX 5090 (2025) | ROG Zephyrus M16 GU604 RTX 4080 (2023) | Difference | |
|---|---|---|---|
| Depth | 268 mm | 246 mm | +22 mm |
| Width | 354 mm | 355 mm | −1 mm |
| Thickness | 31 mm | 23 mm | +8 mm |
| Weight | 2.8 kg | 2.3 kg | +0.5 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix Scar 16 G635 RTX 5090 (2025) better than ROG Zephyrus M16 GU604 RTX 4080 (2023)?
- Brightness1,200 nits vs 500 nits2.4×
- GPU compute (FP32)51.4 TFLOPS vs 33.9 TFLOPS+52%
- Video memory24 GB vs 12 GB2×
- Panel typeMini-LED vs IPS
- GPU power (TGP)175 W vs 150 W+17%
- 3DMark Steel Nomad Light29,079 vs 21,090+38%
- CPU cores24 vs 14+71%
- GPU shader cores10,496 vs 7,424+41%
- Vapor chamber coolingYes · ROG Zephyrus M16 GU604 RTX 4080 (2023): No
- Wi-Fi standardWi-Fi 7 vs Wi-Fi 6+17%
- USB-A ports3 vs 2+50%
- RAM speed5,600 MHz vs 4,800 MHz+17%
Why is ROG Zephyrus M16 GU604 RTX 4080 (2023) better than ROG Strix Scar 16 G635 RTX 5090 (2025)?
- SSD (up to)1,000 GB vs 2,000 GB2×
- Weight2.8 kg vs 2.3 kg+22%
- Thickness31 mm vs 23 mm+35%
- SSD (base)1,000 GB vs 2,000 GB2×
- Liquid metal (CPU)No · ROG Strix Scar 16 G635 RTX 5090 (2025): Yes
- SD card readerNo · ROG Strix Scar 16 G635 RTX 5090 (2025): Yes
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 4080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 150 W |
| Video memory | 24 GB | 12 GB |
| Video memory type | GDDR7 | GDDR6 |
| GPU shader cores | 10,496 | 7,424 |
| GPU compute (FP32) | 51.4 TFLOPS | 33.9 TFLOPS |
| 3DMark Steel Nomad Light | 29,079 | 21,090 |
| Processor | ||
| Processor | Core Ultra 9 275HX | Core i9-13900H |
| CPU maker | Intel | Intel |
| CPU cores | 24 | 14 |
| CPU threads | — | 20 |
| Max CPU clock | 5.4 GHz | 5.4 GHz |
| Processor options | Core Ultra 7 255HX, Core Ultra 9 275HX | Core i9-13900H |
| Geekbench 6 multi-core | — | 15,617 |
| Geekbench 6 single-core | — | 2,821 |
| Cinebench 2024 multi-core | — | 754 |
| 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 | Mini-LED | IPS |
| Brightness | 1,200 nits | 500 nits |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 100% | 100% |
| Pixel density | 189 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 | Yes | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 64 GB | 64 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 5,600 MHz | 4,800 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 1,000 GB | 2,000 GB |
| SSD (base) | 1,000 GB | 2,000 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 | 280 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| USB-C charging power | 100 W | — |
| Design & cooling | ||
| Weight | 2.8 kg | 2.3 kg |
| Thickness | 31 mm | 23 mm |
| Width | 354 mm | 355 mm |
| Depth | 268 mm | 246 mm |
| Body material | Aluminium, Plastic | Plastic |
| Colours | Black | Black |
| Cooling fans | 3 | 3 |
| Vapor chamber cooling | Yes | No |
| Liquid metal (CPU) | No | Yes |
| Fan noise (max. load) | 57.2 dB | 57.5 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 6 |
| Bluetooth | 5.4 | 5.2 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | 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 | 4 speakers | 2 speakers |
| Dolby Atmos | Yes | Yes |
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