Key Differences
In short — Radeon R9 Nano 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 Nano is 855 days newer than Radeon HD 7990.
Advantages of AMD Radeon R9 Nano
- Performs up to 47% better in Fortnite than Radeon HD 7990 - 69 vs 47 FPS
- Consumes up to 53% less energy than AMD Radeon HD 7990 - 175 vs 375 Watts
- Up to 33% more VRAM memory than AMD Radeon HD 7990 - 4 vs 3 GB
Fortnite
Resolution
1920 x 1080
Game Graphics
Epic
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Radeon HD 7990
Desktop • Apr 24th, 2013
Radeon R9 Nano
Desktop • Aug 27th, 2015
Theoretical Performance
AMD Radeon HD 7990 | vs | AMD Radeon R9 Nano |
|---|---|---|
| Apr 24th, 2013 | Release Date | Aug 27th, 2015 |
| Southern Islands | Generation | Pirate Islands |
| $999 | MSRP | $649 |
| 1x DVI, 4x mini-DisplayPort | Outputs | 1x HDMI, 3x DisplayPort |
| 2x 8-pin | Power Connectors | 1x 8-pin |
Desktop | Segment | Desktop |
| 3 GB | Memory | 4 GB |
| GDDR5 | Type | HBM |
| 384-bit | Bus | 4096-bit |
| 288 GB/s | Bandwidth | 512 GB/s |
| 950 MHz | Base Clock Speed | 1000 MHz |
| 1000 MHz | Boost Clock Speed | Not Available |
1500 MHz | Memory Clock Speed | 500 MHz |
