Key Differences
In short — Radeon RX 6400 outperforms the cheaper Radeon RX 550 on the selected game parameters. However, the worse performing Radeon RX 550 is a better bang for your buck. The better performing Radeon RX 6400 is 1735 days newer than the cheaper Radeon RX 550.
Advantages of AMD Radeon RX 6400
- Performs up to 31% better in Halo Infinite than Radeon RX 550 - 46 vs 35 FPS
- Up to 100% more VRAM memory than AMD Radeon RX 550 - 4 vs 2 GB
Advantages of AMD Radeon RX 550
- Up to 28% cheaper than Radeon RX 6400 - £109.99 vs £152.69
- Up to 5% better value when playing Halo Infinite than Radeon RX 6400 - £3.14 vs £3.32 per FPS
- Consumes up to 6% less energy than AMD Radeon RX 6400 - 50 vs 53 Watts
Halo Infinite
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jan 19th, 2022
FPS
46
100%
Value, £/FPS
£3.32/FPS
94%
Price, £
£152.69
72%
FPS Winner
Buy for £152.69 on Amazon
In Stock
Updated 131 minutes ago
Desktop • Apr 20th, 2017
FPS
35
76%
Value, £/FPS
£3.14/FPS
100%
Price, £
£109.99
100%
Value Winner
Buy for £109.99 on Amazon
In Stock
Updated 132 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Desktop • Jan 19th, 2022
Desktop • Apr 20th, 2017
Theoretical Performance
Desktop • Jan 19th, 2022
Pixel Fillrate
74.27 GPixel/s
100%
Texel Fillrate
111.4 GTexel/s
100%
Desktop • Apr 20th, 2017
Pixel Fillrate
18.93 GPixel/s
25%
Texel Fillrate
37.86 GTexel/s
33%
AMD Radeon RX 6400 | vs | AMD Radeon RX 550 |
---|---|---|
Jan 19th, 2022 | Release Date | Apr 20th, 2017 |
Navi II | Generation | Polaris |
$159 | MSRP | $79 |
1x HDMI 2.1, 1x DisplayPort 1.4a | Outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
None | Power Connectors | None |
Desktop | Segment | Desktop |
4 GB | Memory | 2 GB |
GDDR6 | Type | GDDR5 |
64-bit | Bus | 128-bit |
128 GB/s | Bandwidth | 112 GB/s |
1923 MHz | Base Clock Speed | 1100 MHz |
2321 MHz | Boost Clock Speed | 1183 MHz |
2000 MHz | Memory Clock Speed | 1750 MHz |