Asus ROG Strix G16 G615 RTX 5070 (2026) vs Asus ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)
What ROG Strix G16 G615 RTX 5070 (2026) does better (2) and where ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) wins (11) — every spec side by side.
vs
9.4Score
Higher score 11 advantages≈ $7,100
9.4Display9.8
8.6Memory & storage7.8
3.8Battery & portability4.4
9.7Features & cooling9.8
Dimensions
Size comparison
ROG Strix G16 G615 RTX 5070 (2026)ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)
| ROG Strix G16 G615 RTX 5070 (2026) | ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) | Difference | |
|---|---|---|---|
| Depth | 268 mm | 247 mm | +21 mm |
| Width | 354 mm | 355 mm | −1 mm |
| Thickness | 30.8 mm | 25 mm | +5.8 mm |
| Weight | 2.6 kg | 2.8 kg | −0.2 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Strix G16 G615 RTX 5070 (2026) better than ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026)?
- SSD (up to)4,096 GB vs 2,000 GB2×
- Weight2.65 kg vs 2.82 kg+6%
Why is ROG Zephyrus Duo 16 OLED GX651AX RTX 5090 (2026) better than ROG Strix G16 G615 RTX 5070 (2026)?
- Video memory8 GB vs 24 GB3×
- GPU shader cores4,608 vs 10,4962.3×
- Brightness500 nits vs 1,100 nits2.2×
- Resolution classQHD (1440p/1600p) vs 3K (1800p/2000p)
- Panel typeIPS vs OLED
- RAM (base)16 GB vs 64 GB4×
- Thickness30.8 mm vs 25 mm+23%
- RAM typeDDR5 vs LPDDR5X
- SD card readerNo · ROG Strix G16 G615 RTX 5070 (2026): Yes
- SSD (base)1,024 GB vs 2,000 GB+95%
- Bluetooth5.4 vs 6+11%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 5070 Laptop | GeForce RTX 5090 Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 115 W | — |
| Video memory | 8 GB | 24 GB |
| Video memory type | GDDR7 | GDDR7 |
| GPU shader cores | 4,608 | 10,496 |
| GPU compute (FP32) | 26.2 TFLOPS | — |
| 3DMark Steel Nomad Light | 15,679 | — |
| Processor | ||
| Processor | Core Ultra 9 290HX Plus | Core Ultra 9 386H |
| CPU maker | Intel | Intel |
| CPU cores | 24 | — |
| CPU threads | 24 | — |
| Max CPU clock | 5.5 GHz | — |
| Processor options | Core Ultra 9 290HX Plus | — |
| Geekbench 6 multi-core | 22,730 | — |
| Geekbench 6 single-core | 3,439 | — |
| Cinebench 2024 multi-core | 2,576 | — |
| Display | ||
| Screen size | 16″ | 16″ |
| Resolution | 2560 × 1600 | 2880 × 1800 |
| Resolution class | QHD (1440p/1600p) | 3K (1800p/2000p) |
| Refresh rate | 300 Hz | — |
| Panel type | IPS | OLED |
| Brightness | 500 nits | 1,100 nits |
| sRGB coverage | 100% | — |
| Response time | 3 ms | — |
| DCI-P3 coverage | 100% | — |
| Pixel density | 189 ppi | — |
| Aspect ratio | 16:10 | 16:10 |
| G-Sync / FreeSync | Yes | — |
| Advanced Optimus | No | — |
| MUX switch | Yes | — |
| HDR | Yes | — |
| Touchscreen | No | Yes |
| Memory & storage | ||
| RAM (up to) | 64 GB | 64 GB |
| RAM (base) | 16 GB | 64 GB |
| RAM type | DDR5 | LPDDR5X |
| RAM speed | 5,600 MHz | — |
| Max. supported RAM | 64 GB | — |
| RAM slots | 2 | — |
| Upgradable RAM | Yes | — |
| SSD (up to) | 4,096 GB | 2,000 GB |
| SSD (base) | 1,024 GB | 2,000 GB |
| M.2 SSD slots | 2 | — |
| SSD interface | PCIe 4.0 x4 | — |
| Battery & power | ||
| Battery capacity | 90 Wh | 90 Wh |
| Power adapter | 380 W | 250 W |
| USB-C charging (Power Delivery) | Yes | — |
| USB-C charging power | 100 W | — |
| Design & cooling | ||
| Weight | 2.65 kg | 2.82 kg |
| Thickness | 30.8 mm | 25 mm |
| Width | 354 mm | 355 mm |
| Depth | 268 mm | 247 mm |
| Body material | Plastic | — |
| Colours | Gray, Green | Grey |
| Cooling fans | 3 | — |
| Vapor chamber cooling | Yes | — |
| Liquid metal (CPU) | No | — |
| Ports & wireless | ||
| Thunderbolt / USB4 | Thunderbolt 5 | 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 port | Yes | Yes |
| SD card reader | No | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 5.4 | 6 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | — |
| Numeric keypad | No | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | Yes | — |
| Fingerprint reader | No | — |
| Audio | ||
| Speakers | 2.0 | 4 speakers |
| Dolby Atmos | Yes | Yes |
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