Key Differences
In short — Radeon HD 7990 outperforms GeForce GTX 660 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 230 days newer than GeForce GTX 660.
Advantages of NVIDIA GeForce GTX 660
- Consumes up to 63% less energy than AMD Radeon HD 7990 - 140 vs 375 Watts
Advantages of AMD Radeon HD 7990
- Performs up to 9% better in Valheim than GeForce GTX 660 - 60 vs 55 FPS
- Up to 50% more VRAM memory than NVIDIA GeForce GTX 660 - 3 vs 2 GB
Valheim
Resolution
1920 x 1080
Game Graphics
Highest
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Highest
GeForce GTX 660
Desktop • Sep 6th, 2012
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
GeForce GTX 660
Desktop • Sep 6th, 2012
Pixel Fillrate
20.64 GPixel/s
64%
Texel Fillrate
82.56 GTexel/s
64%
NVIDIA GeForce GTX 660 | vs | AMD Radeon HD 7990 |
|---|---|---|
| Sep 6th, 2012 | Release Date | Apr 24th, 2013 |
| GeForce 600 | Generation | Southern Islands |
$229 | MSRP | $999 |
| 2x DVI, 1x HDMI, 1x DisplayPort | Outputs | 1x DVI, 4x mini-DisplayPort |
| 1x 6-pin | Power Connectors | 2x 8-pin |
Desktop | Segment | Desktop |
| 2 GB | Memory | 3 GB |
| GDDR5 | Type | GDDR5 |
| 192-bit | Bus | 384-bit |
| 144.2 GB/s | Bandwidth | 288 GB/s |
980 MHz | Base Clock Speed | 950 MHz |
1032 MHz | Boost Clock Speed | 1000 MHz |
1502 MHz | Memory Clock Speed | 1500 MHz |
