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 AMD Radeon HD 7990
- Performs up to 16% better in A Plague Tale: Requiem than GeForce GTX 660 - 29 vs 25 FPS
- Up to 50% more VRAM memory than NVIDIA GeForce GTX 660 - 3 vs 2 GB
Advantages of NVIDIA GeForce GTX 660
- Consumes up to 63% less energy than AMD Radeon HD 7990 - 140 vs 375 Watts
A Plague Tale: Requiem
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Radeon HD 7990
Desktop • Apr 24th, 2013
GeForce GTX 660
Desktop • Sep 6th, 2012
Theoretical Performance
GeForce GTX 660
Desktop • Sep 6th, 2012
Pixel Fillrate
20.64 GPixel/s
64%
Texel Fillrate
82.56 GTexel/s
64%
AMD Radeon HD 7990 | vs | NVIDIA GeForce GTX 660 |
|---|---|---|
Apr 24th, 2013 | Release Date | Sep 6th, 2012 |
| Southern Islands | Generation | GeForce 600 |
| $999 | MSRP | $229 |
| 1x DVI, 4x mini-DisplayPort | Outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
| 2x 8-pin | Power Connectors | 1x 6-pin |
Desktop | Segment | Desktop |
3 GB | Memory | 2 GB |
| GDDR5 | Type | GDDR5 |
| 384-bit | Bus | 192-bit |
288 GB/s | Bandwidth | 144.2 GB/s |
| 950 MHz | Base Clock Speed | 980 MHz |
| 1000 MHz | Boost Clock Speed | 1032 MHz |
| 1500 MHz | Memory Clock Speed | 1502 MHz |
