Key Differences
In short — Radeon HD 7990 outperforms Radeon HD 8850M on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Radeon HD 7990 is 23 days newer than Radeon HD 8850M.
Advantages of AMD Radeon HD 7990
- Performs up to 10% better in Rust than Radeon HD 8850M - 92 vs 84 FPS
- Up to 50% more VRAM memory than AMD Radeon HD 8850M - 3 vs 2 GB
Rust
Resolution
1920 x 1080
Game Graphics
High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Radeon HD 8850M
Mobile • Apr 1st, 2013
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
AMD Radeon HD 8850M | vs | AMD Radeon HD 7990 |
|---|---|---|
| Apr 1st, 2013 | Release Date | Apr 24th, 2013 |
| Solar System | Generation | Southern Islands |
| Not Available | MSRP | $999 |
| None | Outputs | 1x DVI, 4x mini-DisplayPort |
| None | Power Connectors | 2x 8-pin |
Mobile | Segment | Desktop |
| 2 GB | Memory | 3 GB |
| DDR3 | Type | GDDR5 |
| 128-bit | Bus | 384-bit |
| 32 GB/s | Bandwidth | 288 GB/s |
| 575 MHz | Base Clock Speed | 950 MHz |
| 625 MHz | Boost Clock Speed | 1000 MHz |
| 1000 MHz | Memory Clock Speed | 1500 MHz |
