Key Differences
In short — Radeon HD 7990 outperforms Radeon R5 M255 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 536 days older than Radeon R5 M255.
Advantages of AMD Radeon HD 7990
- Performs up to 8% better in Far Cry 3 than Radeon R5 M255 - 140 vs 130 FPS
- Up to 200% more VRAM memory than AMD Radeon R5 M255 - 3 vs 1 GB
Far Cry 3
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Radeon R5 M255
Mobile • Oct 12th, 2014
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
AMD Radeon R5 M255 | vs | AMD Radeon HD 7990 |
|---|---|---|
Oct 12th, 2014 | Release Date | Apr 24th, 2013 |
| Crystal System | Generation | Southern Islands |
| Not Available | MSRP | $999 |
| None | Outputs | 1x DVI, 4x mini-DisplayPort |
| None | Power Connectors | 2x 8-pin |
Mobile | Segment | Desktop |
| 1 GB | Memory | 3 GB |
| GDDR5 | Type | GDDR5 |
| 128-bit | Bus | 384-bit |
| 64 GB/s | Bandwidth | 288 GB/s |
| 925 MHz | Base Clock Speed | 950 MHz |
| 940 MHz | Boost Clock Speed | 1000 MHz |
| 1000 MHz | Memory Clock Speed | 1500 MHz |
