GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the Radeon RX 570 comes out noticeably faster — about 14% ahead of the Radeon RX 6400. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
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Radeon RX 570 vs Radeon RX 6400: In-Depth Breakdown
Performance: Radeon RX 570 vs Radeon RX 6400
The Radeon RX 570 is noticeably faster, around 14% ahead of the Radeon RX 6400. Both cards sit in the same broad class, well suited to entry-level 1080p. The Radeon RX 570 packs 2,048 stream processors versus 768 on the Radeon RX 6400.
Price & Value
The Radeon RX 570 currently lists from $97 GBP, $77 GBP less than the Radeon RX 6400 at $174 GBP. Because it's both faster and competitively priced, the Radeon RX 570 wins on performance-per-dollar by about 105%. The Radeon RX 570 is trading below its $169 GBP MSRP — a genuine deal.
Power & Efficiency
At 53W against 150W, the Radeon RX 6400 is both the lower-power and the more efficient card, making it the easier build to cool and power. Its more modern RDNA 2 architecture on a TSMC N6 process is part of why it does more with each watt.
Memory & Bandwidth
The Radeon RX 570's memory is faster — 224 GB/s versus 128 GB/s (256-bit vs 64-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 6400 is roughly 5 years newer than the Radeon RX 570 (RDNA 2 vs GCN 4.0 (Polaris)), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 570 or Radeon RX 6400?
The Radeon RX 570 is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the Radeon RX 6400 if you find it at a steep discount.