Key Differences
In short — Radeon RX 7800 XT outperforms the cheaper Radeon RX 6400 on the selected game parameters. However, the worse performing Radeon RX 6400 is a better bang for your buck. The better performing Radeon RX 7800 XT is 583 days newer than the cheaper Radeon RX 6400.
Advantages of Radeon RX 6400
- Up to 68% cheaper than Radeon RX 7800 XT - £149.22 vs £469.99
- Up to 10% better value when playing Hogwarts Legacy than Radeon RX 7800 XT - £4.81 vs £5.34 per FPS
- Consumes up to 80% less energy than AMD Radeon RX 7800 XT - 53 vs 263 Watts
Advantages of Radeon RX 7800 XT
- Performs up to 184% better in Hogwarts Legacy than Radeon RX 6400 - 88 vs 31 FPS
- Up to 300% more VRAM memory than AMD Radeon RX 6400 - 16 vs 4 GB
Hogwarts Legacy
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jan 19th, 2022
FPS
31
35%
Value, £/FPS
£4.81/FPS
100%
Price, £
£149.22
100%
Value Winner
Buy for £149.22 on Amazon
In Stock
Updated 732 minutes ago
Desktop • Aug 25th, 2023
FPS
88
100%
Value, £/FPS
£5.34/FPS
90%
Price, £
£469.99
31%
FPS Winner
Buy for £469.99 on Amazon
In Stock
Updated 517 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jan 19th, 2022
Desktop • Aug 25th, 2023
Theoretical Performance
Desktop • Jan 19th, 2022
Pixel Fillrate
74.27 GPixel/s
32%
Texel Fillrate
111.4 GTexel/s
19%
Desktop • Aug 25th, 2023
Pixel Fillrate
233.3 GPixel/s
100%
Texel Fillrate
583.2 GTexel/s
100%
Radeon RX 6400 | vs | Radeon RX 7800 XT |
---|---|---|
Jan 19th, 2022 | Release Date | Aug 25th, 2023 |
Navi II | Generation | Navi III |
$159 | MSRP | $499 |
1x HDMI 2.1, 1x DisplayPort 1.4a | Outputs | 1x HDMI 2.1a, 3x DisplayPort 2.1 |
None | Power Connectors | 2x 8-pin |
Desktop | Segment | Desktop |
4 GB | Memory | 16 GB |
GDDR6 | Type | GDDR6 |
64-bit | Bus | 256-bit |
128 GB/s | Bandwidth | 620.8 GB/s |
1923 MHz | Base Clock Speed | 1295 MHz |
2321 MHz | Boost Clock Speed | 2430 MHz |
2000 MHz | Memory Clock Speed | 2425 MHz |