Key Differences
In short — Radeon HD 6770 outperforms Radeon HD 7970 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 6770 is 335 days older than Radeon HD 7970.
Advantages of AMD Radeon HD 7970
- Up to 200% more VRAM memory than AMD Radeon HD 6770 - 3 vs 1 GB
Advantages of AMD Radeon HD 6770
- Performs up to 27% better in Alan Wake 2 than Radeon HD 7970 - 33 vs 26 FPS
- Consumes up to 57% less energy than AMD Radeon HD 7970 - 108 vs 250 Watts
Alan Wake 2
Resolution
1920 x 1080
Game Graphics
High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Radeon HD 7970
Desktop • Dec 22nd, 2011
Radeon HD 6770
Desktop • Jan 21st, 2011
Theoretical Performance
Radeon HD 7970
Desktop • Dec 22nd, 2011
Pixel Fillrate
29.6 GPixel/s
100%
Texel Fillrate
118.4 GTexel/s
100%
Radeon HD 6770
Desktop • Jan 21st, 2011
Pixel Fillrate
13.6 GPixel/s
45.945945945945944%
Texel Fillrate
34 GTexel/s
28.716216216216218%
AMD Radeon HD 7970 | vs | AMD Radeon HD 6770 |
|---|---|---|
Dec 22nd, 2011 | Release Date | Jan 21st, 2011 |
| Southern Islands | Generation | Northern Islands |
| $549 | MSRP | $129 |
| 1x DVI, 1x HDMI, 2x mini-DisplayPort | Outputs | 2x DVI, 1x HDMI, 2x mini-DisplayPort |
| 1x 6-pin + 1x 8-pin | Power Connectors | 1x 6-pin |
Desktop | Segment | Desktop |
3 GB | Memory | 1 GB |
| GDDR5 | Type | GDDR5 |
| 384-bit | Bus | 128-bit |
264 GB/s | Bandwidth | 76.8 GB/s |
925 MHz | Base Clock Speed | 850 MHz |
| Not Available | Boost Clock Speed | Not Available |
1375 MHz | Memory Clock Speed | 1200 MHz |
