Key Differences
In short — GeForce RTX 4090 Mobile outperforms Radeon RX 6600M on the selected game parameters. We do not have the prices of both GPUs to compare value. The better performing GeForce RTX 4090 Mobile is 582 days newer than Radeon RX 6600M.
Advantages of GeForce RTX 4090 Mobile
- Performs up to 42% better in Forza Horizon 4 than Radeon RX 6600M - 309 vs 218 FPS
- Up to 100% more VRAM memory than AMD Radeon RX 6600M - 16 vs 8 GB
Advantages of Radeon RX 6600M
- Consumes up to 17% less energy than NVIDIA GeForce RTX 4090 Mobile - 100 vs 120 Watts
Forza Horizon 4
Resolution
1920 x 1080
Game Graphics
Max
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Max
GeForce RTX 4090 Mobile
Mobile • Jan 3rd, 2023
Radeon RX 6600M
Mobile • May 31st, 2021
Theoretical Performance
GeForce RTX 4090 Mobile
Mobile • Jan 3rd, 2023
Pixel Fillrate
189.8 GPixel/s
100%
Texel Fillrate
515.3 GTexel/s
100%
Radeon RX 6600M
Mobile • May 31st, 2021
Pixel Fillrate
154.6 GPixel/s
81%
Texel Fillrate
270.6 GTexel/s
53%
GeForce RTX 4090 Mobile | vs | Radeon RX 6600M |
|---|---|---|
Jan 3rd, 2023 | Release Date | May 31st, 2021 |
| GeForce 40 Mobile | Generation | Navi Mobile |
| Not Available | MSRP | Not Available |
| Portable Device Dependent | Outputs | Portable Device Dependent |
| None | Power Connectors | None |
Mobile | Segment | Mobile |
16 GB | Memory | 8 GB |
| GDDR6 | Type | GDDR6 |
| 256-bit | Bus | 128-bit |
576 GB/s | Bandwidth | 224 GB/s |
| 1335 MHz | Base Clock Speed | 2068 MHz |
| 1695 MHz | Boost Clock Speed | 2416 MHz |
2250 MHz | Memory Clock Speed | 1750 MHz |
