Key Differences
In short — Radeon RX 6400 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 6400 is 3192 days newer than Radeon HD 7990.
Advantages of Radeon RX 6400
- Performs up to 14% better in Baldur's Gate 3 than Radeon HD 7990 - 48 vs 42 FPS
- Consumes up to 86% less energy than AMD Radeon HD 7990 - 53 vs 375 Watts
- Up to 33% more VRAM memory than AMD Radeon HD 7990 - 4 vs 3 GB
Baldur's Gate 3
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jan 19th, 2022
FPS
48
100%
Value, £/FPS
£3.11/FPS
100%
Price, £
£149.22
100%
FPS and Value Winner
Buy for £149.22 on Amazon
In Stock
Updated 530 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Apr 24th, 2013
Desktop • Jan 19th, 2022
Theoretical Performance
Desktop • Jan 19th, 2022
Pixel Fillrate
74.27 GPixel/s
100%
Texel Fillrate
111.4 GTexel/s
87%
Radeon HD 7990 | vs | Radeon RX 6400 |
---|---|---|
Apr 24th, 2013 | Release Date | Jan 19th, 2022 |
Southern Islands | Generation | Navi II |
$999 | MSRP | $159 |
1x DVI, 4x mini-DisplayPort | Outputs | 1x HDMI 2.1, 1x DisplayPort 1.4a |
2x 8-pin | Power Connectors | None |
Desktop | Segment | Desktop |
3 GB | Memory | 4 GB |
GDDR5 | Type | GDDR6 |
384-bit | Bus | 64-bit |
288 GB/s | Bandwidth | 128 GB/s |
950 MHz | Base Clock Speed | 1923 MHz |
1000 MHz | Boost Clock Speed | 2321 MHz |
1500 MHz | Memory Clock Speed | 2000 MHz |