GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the Radeon RX 590 comes out dramatically faster — about 43% ahead of the Radeon RX 6400. But the Radeon RX 6400 is the better value, undercutting it by $465 USD for the performance you get.
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Radeon RX 590 vs Radeon RX 6400: In-Depth Breakdown
Performance: Radeon RX 590 vs Radeon RX 6400
The Radeon RX 590 is dramatically faster, around 43% ahead of the Radeon RX 6400. Both cards sit in the same broad class, well suited to entry-level 1080p.
Price & Value
The Radeon RX 6400 currently lists from $232 USD, $465 USD less than the Radeon RX 590 at $697 USD. Despite being slower, the Radeon RX 6400 offers the better performance-per-dollar (~111% better value), so budget-focused buyers should weigh it carefully. The Radeon RX 590 still sits about $418 USD above its $279 USD MSRP.
Power & Efficiency
At 53W against 225W, the Radeon RX 6400 is both the lower-power and the more efficient card, making it the easier build to cool and power.
VRAM & Future-Proofing
The Radeon RX 590 carries 8GB versus 4GB on the Radeon RX 6400. The extra 4GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.
Generation & Longevity
The Radeon RX 6400 is roughly 4 years newer than the Radeon RX 590, so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 6400 or Radeon RX 590?
Choose the Radeon RX 590 if you want the most performance and can absorb the higher price. If you're optimizing for value, the Radeon RX 6400 stretches your money further for only slightly lower performance.