Key Differences
In short — Radeon HD 7990 outperforms Radeon R7 250X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 295 days older than Radeon R7 250X.
Advantages of AMD Radeon HD 7990
- Performs up to 30% better in Need For Speed Unbound than Radeon R7 250X - 48 vs 37 FPS
- Up to 200% more VRAM memory than AMD Radeon R7 250X - 3 vs 1 GB
Advantages of AMD Radeon R7 250X
- Consumes up to 79% less energy than AMD Radeon HD 7990 - 80 vs 375 Watts
Need For Speed Unbound
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 R7 250X
Desktop • Feb 13th, 2014
Theoretical Performance
AMD Radeon HD 7990 | vs | AMD Radeon R7 250X |
|---|---|---|
| Apr 24th, 2013 | Release Date | Feb 13th, 2014 |
| Southern Islands | Generation | Volcanic Islands |
| $999 | MSRP | $99 |
| 1x DVI, 4x mini-DisplayPort | Outputs | 1x DVI, 1x HDMI, 2x mini-DisplayPort |
| 2x 8-pin | Power Connectors | 1x 6-pin |
Desktop | Segment | Desktop |
3 GB | Memory | 1 GB |
| GDDR5 | Type | GDDR5 |
| 384-bit | Bus | 128-bit |
288 GB/s | Bandwidth | 72 GB/s |
| 950 MHz | Base Clock Speed | 950 MHz |
| 1000 MHz | Boost Clock Speed | Not Available |
1500 MHz | Memory Clock Speed | 1125 MHz |
