Key Differences
In short — Radeon RX 6850M XT 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 RX 6850M XT is 3177 days newer than Radeon HD 7990.
Advantages of AMD Radeon RX 6850M XT
- Performs up to 90% better in Baldur's Gate 3 than Radeon HD 7990 - 76 vs 40 FPS
- Consumes up to 56% less energy than AMD Radeon HD 7990 - 165 vs 375 Watts
- Up to 300% more VRAM memory than AMD Radeon HD 7990 - 12 vs 3 GB
Baldur's Gate 3
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Radeon RX 6850M XT
Mobile • Jan 4th, 2022
Radeon HD 7990
Desktop • Apr 24th, 2013
Theoretical Performance
Radeon RX 6850M XT
Mobile • Jan 4th, 2022
Pixel Fillrate
165.2 GPixel/s
100%
Texel Fillrate
413 GTexel/s
100%
AMD Radeon RX 6850M XT | vs | AMD Radeon HD 7990 |
|---|---|---|
Jan 4th, 2022 | Release Date | Apr 24th, 2013 |
| Navi Mobile | Generation | Southern Islands |
| Not Available | MSRP | $999 |
| Portable Device Dependent | Outputs | 1x DVI, 4x mini-DisplayPort |
| None | Power Connectors | 2x 8-pin |
Mobile | Segment | Desktop |
12 GB | Memory | 3 GB |
| GDDR6 | Type | GDDR5 |
| 192-bit | Bus | 384-bit |
432 GB/s | Bandwidth | 288 GB/s |
2321 MHz | Base Clock Speed | 950 MHz |
2581 MHz | Boost Clock Speed | 1000 MHz |
2250 MHz | Memory Clock Speed | 1500 MHz |
