Key Differences
In short — Radeon HD 7990 outperforms GeForce GTX 660 Ti on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 251 days newer than GeForce GTX 660 Ti.
Advantages of NVIDIA GeForce GTX 660 Ti
- Consumes up to 60% less energy than AMD Radeon HD 7990 - 150 vs 375 Watts
Advantages of AMD Radeon HD 7990
- Performs up to 100% better in Overwatch 2 than GeForce GTX 660 Ti - 32 vs 16 FPS
- Up to 50% more VRAM memory than NVIDIA GeForce GTX 660 Ti - 3 vs 2 GB
Overwatch 2
Resolution
1920 x 1080
Game Graphics
Epic
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
GeForce GTX 660 Ti
Desktop • Aug 16th, 2012
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
GeForce GTX 660 Ti
Desktop • Aug 16th, 2012
Pixel Fillrate
27.44 GPixel/s
85%
Texel Fillrate
109.8 GTexel/s
85%
NVIDIA GeForce GTX 660 Ti | vs | AMD Radeon HD 7990 |
|---|---|---|
| Aug 16th, 2012 | Release Date | Apr 24th, 2013 |
| GeForce 600 | Generation | Southern Islands |
$299 | MSRP | $999 |
| 2x DVI, 1x HDMI, 1x DisplayPort | Outputs | 1x DVI, 4x mini-DisplayPort |
| 2x 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 |
| 915 MHz | Base Clock Speed | 950 MHz |
| 980 MHz | Boost Clock Speed | 1000 MHz |
1502 MHz | Memory Clock Speed | 1500 MHz |
