Key Differences
In short — Radeon R9 390X outperforms Radeon HD 7990 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon R9 390X is 785 days newer than Radeon HD 7990.
Advantages of AMD Radeon R9 390X
- Performs up to 24% better in No Man's Sky than Radeon HD 7990 - 94 vs 76 FPS
- Consumes up to 27% less energy than AMD Radeon HD 7990 - 275 vs 375 Watts
- Up to 167% more VRAM memory than AMD Radeon HD 7990 - 8 vs 3 GB
No Man's Sky
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Radeon R9 390X
Desktop • Jun 18th, 2015
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
Radeon R9 390X
Desktop • Jun 18th, 2015
Pixel Fillrate
67.2 GPixel/s
100%
Texel Fillrate
184.8 GTexel/s
100%
AMD Radeon R9 390X | vs | AMD Radeon HD 7990 |
|---|---|---|
Jun 18th, 2015 | Release Date | Apr 24th, 2013 |
| Pirate Islands | Generation | Southern Islands |
$429 | MSRP | $999 |
| 2x DVI, 1x HDMI, 1x DisplayPort | Outputs | 1x DVI, 4x mini-DisplayPort |
| 1x 6-pin + 1x 8-pin | Power Connectors | 2x 8-pin |
Desktop | Segment | Desktop |
8 GB | Memory | 3 GB |
| GDDR5 | Type | GDDR5 |
| 512-bit | Bus | 384-bit |
384 GB/s | Bandwidth | 288 GB/s |
1050 MHz | Base Clock Speed | 950 MHz |
| Not Available | Boost Clock Speed | 1000 MHz |
| 1500 MHz | Memory Clock Speed | 1500 MHz |
