Key Differences
In short — Radeon HD 7990 outperforms Radeon R9 280X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 167 days older than Radeon R9 280X.
Advantages of AMD Radeon R9 280X
- Consumes up to 33% less energy than AMD Radeon HD 7990 - 250 vs 375 Watts
Immortals of Aveum
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Radeon HD 7990
Desktop • Apr 24th, 2013
Radeon R9 280X
Desktop • Oct 8th, 2013
Theoretical Performance
AMD Radeon HD 7990 | vs | AMD Radeon R9 280X |
|---|---|---|
| Apr 24th, 2013 | Release Date | Oct 8th, 2013 |
| Southern Islands | Generation | Volcanic Islands |
| $999 | MSRP | $299 |
| 1x DVI, 4x mini-DisplayPort | Outputs | 2x DVI, 1x HDMI, 1x DisplayPort |
| 2x 8-pin | Power Connectors | 1x 6-pin + 1x 8-pin |
Desktop | Segment | Desktop |
| 3 GB | Memory | 3 GB |
| GDDR5 | Type | GDDR5 |
| 384-bit | Bus | 384-bit |
| 288 GB/s | Bandwidth | 288 GB/s |
950 MHz | Base Clock Speed | 850 MHz |
| 1000 MHz | Boost Clock Speed | 1000 MHz |
| 1500 MHz | Memory Clock Speed | 1500 MHz |
