Key Differences
In short — Radeon RX 7800 XT outperforms Radeon HD 7990 on the selected game parameters. We do not have the prices of both GPUs to compare value. The better performing Radeon RX 7800 XT is 3775 days newer than Radeon HD 7990.
Advantages of Radeon RX 7800 XT
- Performs up to 244% better in Total War: WARHAMMER III than Radeon HD 7990 - 124 vs 36 FPS
- Consumes up to 30% less energy than AMD Radeon HD 7990 - 263 vs 375 Watts
- Up to 433% more VRAM memory than AMD Radeon HD 7990 - 16 vs 3 GB
Total War: WARHAMMER III
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Aug 25th, 2023
FPS
124
100%
Value, CA$/FPS
CA$6.32/FPS
100%
Price, CA$
CA$783.2
100%
FPS and Value Winner
Buy for CA$783.2 on Amazon
In Stock
Updated 85 minutes ago
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Apr 24th, 2013
Desktop • Aug 25th, 2023
Theoretical Performance
Desktop • Aug 25th, 2023
Pixel Fillrate
233.3 GPixel/s
100%
Texel Fillrate
583.2 GTexel/s
100%
Radeon HD 7990 | vs | Radeon RX 7800 XT |
---|---|---|
Apr 24th, 2013 | Release Date | Aug 25th, 2023 |
Southern Islands | Generation | Navi III |
$999 | MSRP | $499 |
1x DVI, 4x mini-DisplayPort | Outputs | 1x HDMI 2.1a, 3x DisplayPort 2.1 |
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 | 620.8 GB/s |
950 MHz | Base Clock Speed | 1295 MHz |
1000 MHz | Boost Clock Speed | 2430 MHz |
1500 MHz | Memory Clock Speed | 2425 MHz |