Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) vs MSI Raider 16 HX B2W RTX 5080 (2026)
What ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) does better (13) and where Raider 16 HX B2W RTX 5080 (2026) wins (2) — every spec side by side.
Dimensions
Size comparison
ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)Raider 16 HX B2W RTX 5080 (2026)
| ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) | Raider 16 HX B2W RTX 5080 (2026) | Difference | |
|---|---|---|---|
| Depth | 247 mm | 270 mm | −23 mm |
| Width | 355 mm | 363 mm | −8 mm |
| Thickness | 25 mm | 26 mm | −1 mm |
| Weight | 2.8 kg | 2.4 kg | +0.4 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) better than Raider 16 HX B2W RTX 5080 (2026)?
- RAM (up to)64 GB vs 32 GB2×
- Brightness1,100 nits vs 500 nits2.2×
- Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
- Panel typeOLED vs IPS
- SSD (up to)2,000 GB vs 1,000 GB2×
- Video memory24 GB vs 16 GB+50%
- GPU shader cores10,496 vs 7,680+37%
- RAM (base)64 GB vs 32 GB2×
- RAM typeLPDDR5X vs DDR5
- SSD (base)2,000 GB vs 1,000 GB2×
- Dolby AtmosYes · Raider 16 HX B2W RTX 5080 (2026): No
- Thickness25 mm vs 26 mm+4%
Why is Raider 16 HX B2W RTX 5080 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?
- Battery capacity90 Wh vs 92 Wh+2%
- Weight2.82 kg vs 2.45 kg+15%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5090 Laptop | GeForce RTX 5080 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | — | 175 W |
| Video memory | 24 GB | 16 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 10,496 | 7,680 |
| GPU compute (FP32) | — | 42 TFLOPS |
| 3DMark Steel Nomad Light | — | 24,199 |
| Processor | ||
| Processor | Core Ultra 9 386H | Core Ultra 9 275HX |
| CPU maker | Intel | Intel |
| CPU cores | — | 24 |
| Max CPU clock | — | 5.4 GHz |
| Processor options | — | Core Ultra 7 251HX, Core Ultra 7 255HX, Core Ultra 9 275HX |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2880 × 1800 | 2560 × 1600 |
| Resolution class | 3K (1800p/2000p) | QHD (1440p/1600p) |
| Refresh rate | — | 240 Hz |
| Panel type | OLED | IPS |
| Brightness | 1,100 nits | 500 nits |
| Response time | — | 3 ms |
| DCI-P3 coverage | — | 100% |
| Pixel density | — | 189 ppi |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | — | No |
| Advanced Optimus | — | No |
| MUX switch | — | Yes |
| HDR | — | Yes |
| Touchscreen | Yes | No |
| Memory & storage | ||
| RAM (up to) | 64 GB | 32 GB |
| RAM (base) | 64 GB | 32 GB |
| RAM type | LPDDR5X | DDR5 |
| RAM speed | — | 6,400 MHz |
| Max. supported RAM | — | 128 GB |
| RAM slots | — | 2 |
| Upgradable RAM | — | Yes |
| SSD (up to) | 2,000 GB | 1,000 GB |
| SSD (base) | 2,000 GB | 1,000 GB |
| M.2 SSD slots | — | 2 |
| SSD interface | — | PCIe 5.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 92 Wh |
| Power adapter | 250 W | 330 W |
| USB-C charging (Power Delivery) | — | Yes |
| USB-C charging power | — | 140 W |
| Design & cooling | ||
| Weight | 2.82 kg | 2.45 kg |
| Thickness | 25 mm | 26 mm |
| Width | 355 mm | 363 mm |
| Depth | 247 mm | 270 mm |
| Body material | — | Plastic |
| Colours | Grey | Black |
| Cooling fans | — | 2 |
| Vapor chamber cooling | — | No |
| Liquid metal (CPU) | — | No |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 4 | Thunderbolt 4 |
| 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 | — | 5 Gbit/s |
| Ethernet port | Yes | Yes |
| SD card reader | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6 | 5.4 |
| Keyboard & camera | ||
| Backlit keyboard | — | Yes |
| Numeric keypad | — | Yes |
| Key travel | — | 1.7 mm |
| Webcam | 1,080p | 1,080p |
| Fingerprint reader | — | No |
| Audio | ||
| Speakers | 4 speakers | 2 speakers |
| Dolby Atmos | Yes | No |
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