Key Differences
In short — Radeon RX 6800 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 6800 XT is 2744 days newer than Radeon HD 7990.
Advantages of AMD Radeon RX 6800 XT
- Performs up to 27% better in War Thunder than Radeon HD 7990 - 275 vs 216 FPS
- Consumes up to 20% less energy than AMD Radeon HD 7990 - 300 vs 375 Watts
- Up to 433% more VRAM memory than AMD Radeon HD 7990 - 16 vs 3 GB
War Thunder
Resolution
1920 x 1080
Game Graphics
Movie
Desktop • Oct 28th, 2020
FPS
275
100%
Value, $/FPS
$1.86/FPS
100%
Price, $
$510.4
100%
FPS and Value Winner
Buy for $510.4 on Amazon
In Stock
Updated 6175 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Movie
Desktop • Apr 24th, 2013
Desktop • Oct 28th, 2020
Theoretical Performance
Desktop • Oct 28th, 2020
Pixel Fillrate
288 GPixel/s
100%
Texel Fillrate
648 GTexel/s
100%
AMD Radeon HD 7990 | vs | AMD Radeon RX 6800 XT |
---|---|---|
Apr 24th, 2013 | Release Date | Oct 28th, 2020 |
Southern Islands | Generation | Navi II |
$999 | MSRP | $649 |
1x DVI, 4x mini-DisplayPort | Outputs | 1x HDMI 2.1, 2x DisplayPort 1.4a, 1x USB Type-C |
2x 8-pin | Power Connectors | 2x 8-pin |
Desktop | Segment | Desktop |
3 GB | Memory | 16 GB |
GDDR5 | Type | GDDR6 |
384-bit | Bus | 256-bit |
288 GB/s | Bandwidth | 512 GB/s |
950 MHz | Base Clock Speed | 1825 MHz |
1000 MHz | Boost Clock Speed | 2250 MHz |
1500 MHz | Memory Clock Speed | 2000 MHz |