GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
The Arc A770 is dramatically faster than the Radeon RX 6400, leading by roughly 300% in our performance index. It is also the stronger value pick here, so it's the easy recommendation if your budget allows.
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Arc A770 vs Radeon RX 6400: In-Depth Breakdown
Performance: Arc A770 vs Radeon RX 6400
The Arc A770 is dramatically faster, around 300% ahead of the Radeon RX 6400. That gap is enough to move it up a tier: the Arc A770 is comfortable at 1440p, while the Radeon RX 6400 is better matched to entry-level 1080p.
Price & Value
Right now the Radeon RX 6400 starts at $378 against $550 for the Arc A770. Because it's both faster and competitively priced, the Arc A770 wins on performance-per-dollar by about 175%. The Radeon RX 6400 still sits about $219 above its $159 MSRP. The Arc A770 still sits about $221 above its $329 MSRP.
Power & Efficiency
The Radeon RX 6400 draws just 53W versus 225W for the Arc A770, and it also delivers more performance per watt — so it runs cooler and quieter and needs less PSU headroom.
VRAM & Future-Proofing
With 16GB against 4GB, the Arc A770 has more headroom for 4K textures and memory-hungry creative/AI tasks where the Radeon RX 6400's 4GB can fall short.
Features & Ecosystem
Beyond raw numbers, the Arc A770 brings Intel XeSS upscaling and AV1 encoding, while the Radeon RX 6400 offers AMD FSR upscaling and strong rasterization value. If you lean on upscaling or ray tracing, that ecosystem difference can matter as much as the frame-rate gap.
Which should you buy: Arc A770 or Radeon RX 6400?
the Arc A770 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.