vs
9.6Graphics9.5
8.2Overall performance9.4
5.6Display9.5
6.6Memory & storage5.0
4.1Battery & portability9.0
9.1Features & cooling9.0
Dimensions
Size comparison
X16 RTX 4080 (2023)ROG Zephyrus G16 GU605 RTX 5090 (2025)
| X16 RTX 4080 (2023) | ROG Zephyrus G16 GU605 RTX 5090 (2025) | Difference | |
|---|---|---|---|
| Depth | 289.8 mm | 246 mm | +43.8 mm |
| Width | 364.7 mm | 354 mm | +10.7 mm |
| Thickness | 18.6 mm | 17 mm | +1.6 mm |
| Weight | 2.7 kg | 2 kg | +0.8 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is X16 RTX 4080 (2023) better than ROG Zephyrus G16 GU605 RTX 5090 (2025)?
- Refresh rate480 Hz vs 240 Hz2×
- GPU power (TGP)175 W vs 120 W+46%
- SSD (up to)4,096 GB vs 2,000 GB2×
- Advanced OptimusYes · ROG Zephyrus G16 GU605 RTX 5090 (2025): No
- USB-C ports3 vs 2+50%
- Cooling fans4 vs 3+33%
- Fan noise (max. load)54.8 dB vs 68 dB+24%
- Key travel1.8 mm vs 1.7 mm+6%
Why is ROG Zephyrus G16 GU605 RTX 5090 (2025) better than X16 RTX 4080 (2023)?
- Video memory12 GB vs 24 GB2×
- Resolution classFull HD (1080p/1200p) vs QHD (1440p/1600p)
- Panel typeIPS vs OLED
- Weight2.72 kg vs 1.95 kg+39%
- Brightness300 nits vs 500 nits+67%
- 3DMark Steel Nomad Light20,135 vs 24,671+23%
- CPU cores10 vs 16+60%
- Response time3 ms vs 1 ms3×
- SSD (base)256 GB vs 2,000 GB7.8×
- GPU shader cores7,424 vs 10,496+41%
- RAM (base)16 GB vs 32 GB2×
- RAM typeLPDDR5 vs LPDDR5X
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4080 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 120 W |
| Video memory | 12 GB | 24 GB |
| Video memory type | GDDR6 | GDDR7 |
| GPU shader cores | 7,424 | 10,496 |
| GPU compute (FP32) | 37.6 TFLOPS | 37.9 TFLOPS |
| 3DMark Steel Nomad Light | 20,135 | 24,671 |
| Processor | ||
| Processor | Core i7-13620H | Core Ultra 9 285H |
| CPU maker | Intel | Intel |
| CPU cores | 10 | 16 |
| CPU threads | 16 | — |
| Max CPU clock | 4.9 GHz | 5.4 GHz |
| Processor options | Core i7-13620H, Core i7-13700H, Core i9-13900HK | Core i7-14650HX, Core Ultra 9 285H |
| Geekbench 6 multi-core | 12,672 | — |
| Geekbench 6 single-core | 2,531 | — |
| Cinebench 2024 multi-core | 841 | — |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 1920 × 1200 | 2560 × 1600 |
| Resolution class | Full HD (1080p/1200p) | QHD (1440p/1600p) |
| Refresh rate | 480 Hz | 240 Hz |
| Panel type | IPS | OLED |
| Brightness | 300 nits | 500 nits |
| sRGB coverage | 99% | 100% |
| Response time | 3 ms | 1 ms |
| DCI-P3 coverage | 99% | 100% |
| Pixel density | 142 ppi | 189 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | Yes | No |
| MUX switch | Yes | Yes |
| HDR | Yes | Yes |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 32 GB | 32 GB |
| RAM (base) | 16 GB | 32 GB |
| RAM type | LPDDR5 | LPDDR5X |
| RAM speed | 6,400 MHz | 7,467 MHz |
| Upgradable RAM | No | No |
| SSD (up to) | 4,096 GB | 2,000 GB |
| SSD (base) | 256 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 | 330 W | 240 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 2.72 kg | 1.95 kg |
| Thickness | 18.6 mm | 17 mm |
| Width | 364.7 mm | 354 mm |
| Depth | 289.8 mm | 246 mm |
| Body material | Aluminium | Aluminium |
| Colours | Black, Silver | Grey |
| Cooling fans | 4 | 3 |
| Vapor chamber cooling | Yes | Yes |
| Liquid metal (CPU) | — | Yes |
| Fan noise (max. load) | 54.8 dB | 68 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| Thunderbolt or USB4 | Yes | Yes |
| USB-C ports | 3 | 2 |
| USB-A ports | 2 | 2 |
| HDMI | HDMI 2.1 | HDMI 2.1 |
| HDMI 2.1 | Yes | Yes |
| (Mini) DisplayPort | Yes | No |
| Ethernet port | No | Yes |
| SD card reader | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 7 |
| Bluetooth | 5.3 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | No | No |
| Key travel | 1.8 mm | 1.7 mm |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | Yes |
| Fingerprint reader | No | No |
| Audio | ||
| Speakers | 2.4 | 4 speakers |
| Dolby Atmos | Yes | Yes |
Related comparisons
vs
Alienware X16 RTX 4080 (2023)vsHP Omen Transcend 16 RTX 4070 (2023)8.78.3
vs
Alienware X16 RTX 4080 (2023)vsSamsung Galaxy Book 4 Ultra RTX 4070 (2023)8.78.4
vs
Asus Zenbook Pro 16X OLED UX7602 RTX 4080 (2023)vsAlienware X16 RTX 4080 (2023)8.88.7
vs
Asus Zenbook Pro 16X OLED UX7602 RTX 4070 (2023)vsAlienware X16 RTX 4080 (2023)8.48.7
vs
Alienware X16 RTX 4080 (2023)vsAlienware X16 RTX 4090 (2023)8.78.7
vs
Alienware x14 RTX 3060 (2022)vsAlienware X16 RTX 4080 (2023)5.28.7

