Asus ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) vs MSI Stealth GS77 RTX 3070 Ti (2022)
What ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) does better (19) and where Stealth GS77 RTX 3070 Ti (2022) wins (8) — every spec side by side.
vs
9.7Graphics6.1
9.4Overall performance6.7
9.3Display7.8
5.3Memory & storage5.5
3.6Battery & portability8.7
6.4Features & cooling6.9
Dimensions
Size comparison
ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)Stealth GS77 RTX 3070 Ti (2022)
| ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) | Stealth GS77 RTX 3070 Ti (2022) | Difference | |
|---|---|---|---|
| Depth | 266 mm | 283.5 mm | −17.5 mm |
| Width | 355 mm | 397.6 mm | −42.6 mm |
| Thickness | 30 mm | 20.8 mm | +9.2 mm |
| Weight | 2.7 kg | 2.8 kg | −0.1 kg |
Drawn to the same scale from the official dimensions (front and side).
Why is ROG Zephyrus Duo 16 GX650 RTX 4090 (2023) better than Stealth GS77 RTX 3070 Ti (2022)?
- GPU compute (FP32)45.2 TFLOPS vs 14.4 TFLOPS3.1×
- 3DMark Steel Nomad Light26,424 vs 10,8662.4×
- GPU power (TGP)175 W vs 105 W+67%
- Geekbench 6 multi-core19,038 vs 11,459+66%
- Video memory16 GB vs 8 GB2×
- Resolution classQHD (1440p/1600p) vs Full HD (1080p/1200p)
- MUX switchYes · Stealth GS77 RTX 3070 Ti (2022): No
- Cinebench 2024 multi-core1,961 vs 1,091+80%
- GPU shader cores9,728 vs 5,632+73%
- SSD (base)2,000 GB vs 512 GB3.9×
- Weight2.67 kg vs 2.8 kg+5%
- RAM (base)32 GB vs 16 GB2×
Why is Stealth GS77 RTX 3070 Ti (2022) better than ROG Zephyrus Duo 16 GX650 RTX 4090 (2023)?
- Refresh rate240 Hz vs 360 Hz+50%
- Thunderbolt or USB4No · ROG Zephyrus Duo 16 GX650 RTX 4090 (2023): Yes
- Battery capacity90 Wh vs 100 Wh+11%
- Thickness30 mm vs 20.8 mm+44%
- IR camera (face login)No · ROG Zephyrus Duo 16 GX650 RTX 4090 (2023): Yes
- Wi-Fi standardWi-Fi 6 vs Wi-Fi 6E+8%
- SSD (up to)2,000 GB vs 2,048 GB+2%
- Screen size16″ vs 17.3″+8%
Specifications
Side by side
| Graphics | ||
| Graphics card | GeForce RTX 4090 Laptop | GeForce RTX 3070 Ti Laptop |
| GPU maker | NVIDIA | NVIDIA |
| GPU power (TGP) | 175 W | 105 W |
| Video memory | 16 GB | 8 GB |
| Video memory type | GDDR6 | GDDR6 |
| GPU shader cores | 9,728 | 5,632 |
| GPU compute (FP32) | 45.2 TFLOPS | 14.4 TFLOPS |
| 3DMark Steel Nomad Light | 26,424 | 10,866 |
| Processor | ||
| Processor | Ryzen 9 7945HX | Core i7-12700H |
| CPU maker | AMD | Intel |
| CPU cores | 16 | 14 |
| CPU threads | 32 | 20 |
| Max CPU clock | 5.4 GHz | 4.7 GHz |
| Processor options | Ryzen 9 7945HX | Core i7-12700H, Core i9-12900H |
| Geekbench 6 multi-core | 19,038 | 11,459 |
| Geekbench 6 single-core | 3,105 | 2,423 |
| Cinebench 2024 multi-core | 1,961 | 1,091 |
| Display | ||
| Screen size | 16″ | 17.3″ |
| Resolution | 2560 × 1600 | 1920 × 1080 |
| Resolution class | QHD (1440p/1600p) | Full HD (1080p/1200p) |
| Refresh rate | 240 Hz | 360 Hz |
| Panel type | IPS | IPS |
| Brightness | 1,100 nits | — |
| sRGB coverage | 100% | 100% |
| Response time | 3 ms | 3 ms |
| DCI-P3 coverage | 99% | — |
| Pixel density | 189 ppi | 127 ppi |
| Aspect ratio | 16:10 | 16:9 |
| G-Sync / FreeSync | Yes | Yes |
| Advanced Optimus | No | No |
| MUX switch | Yes | No |
| HDR | Yes | — |
| Touchscreen | No | No |
| Memory & storage | ||
| RAM (up to) | 32 GB | 32 GB |
| RAM (base) | 32 GB | 16 GB |
| RAM type | DDR5 | DDR5 |
| RAM speed | 4,800 MHz | 4,800 MHz |
| Max. supported RAM | 64 GB | 64 GB |
| RAM slots | 2 | 2 |
| Upgradable RAM | Yes | Yes |
| SSD (up to) | 2,000 GB | 2,048 GB |
| SSD (base) | 2,000 GB | 512 GB |
| M.2 SSD slots | 2 | 2 |
| SSD interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Battery & power | ||
| Battery capacity | 90 Wh | 100 Wh |
| Power adapter | 330 W | 240 W |
| USB-C charging (Power Delivery) | Yes | Yes |
| Design & cooling | ||
| Weight | 2.67 kg | 2.8 kg |
| Thickness | 30 mm | 20.8 mm |
| Width | 355 mm | 397.6 mm |
| Depth | 266 mm | 283.5 mm |
| Body material | Aluminium | Aluminium |
| Colours | Black | Black |
| Cooling fans | 2 | 2 |
| Vapor chamber cooling | No | No |
| Liquid metal (CPU) | Yes | — |
| Fan noise (max. load) | 56 dB | 56.8 dB |
| Ports & wireless | ||
| Thunderbolt / USB4 | — | Thunderbolt 4 |
| Thunderbolt or USB4 | No | Yes |
| USB-C ports | 2 | 1 |
| USB-A ports | 2 | 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 | Yes | Yes |
| 3.5 mm audio jack | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 6E |
| Bluetooth | 5.2 | 5.2 |
| Keyboard & camera | ||
| Backlit keyboard | Yes | Yes |
| Numeric keypad | Yes | No |
| Key travel | 1.7 mm | — |
| Webcam | 1,080p | 1,080p |
| IR camera (face login) | No | Yes |
| Fingerprint reader | Yes | No |
| Audio | ||
| Speakers | 6 speakers | 2.4 |
| Dolby Atmos | Yes | No |
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