Key Differences
In short — Radeon RX 6600S outperforms Radeon HD 7990 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon RX 6600S is 3177 days newer than Radeon HD 7990.
Advantages of AMD Radeon RX 6600S
- Performs up to 138% better in Remnant II than Radeon HD 7990 - 38 vs 16 FPS
- Consumes up to 79% less energy than AMD Radeon HD 7990 - 80 vs 375 Watts
- Up to 33% more VRAM memory than AMD Radeon HD 7990 - 4 vs 3 GB
Remnant II
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Mobile • Jan 4th, 2022
Desktop • Apr 24th, 2013
Theoretical Performance
AMD Radeon RX 6600S | vs | AMD Radeon HD 7990 |
---|---|---|
Jan 4th, 2022 | Release Date | Apr 24th, 2013 |
Navi Mobile | Generation | Southern Islands |
Not Available | MSRP | $999 |
Portable Device Dependent | Outputs | 1x DVI, 4x mini-DisplayPort |
None | Power Connectors | 2x 8-pin |
Mobile | Segment | Desktop |
4 GB | Memory | 3 GB |
GDDR6 | Type | GDDR5 |
128-bit | Bus | 384-bit |
224 GB/s | Bandwidth | 288 GB/s |
1700 MHz | Base Clock Speed | 950 MHz |
2000 MHz | Boost Clock Speed | 1000 MHz |
1750 MHz | Memory Clock Speed | 1500 MHz |