GPU Comparison
Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.
On raw speed the Radeon RX 6600 XT comes out dramatically faster — about 43% ahead of the Radeon RX Vega 56. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.
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Radeon RX 6600 XT vs Radeon RX Vega 56: In-Depth Breakdown
Performance: Radeon RX 6600 XT vs Radeon RX Vega 56
The Radeon RX 6600 XT is dramatically faster, around 43% ahead of the Radeon RX Vega 56. Both cards sit in the same broad class, well suited to 1080p.
Price & Value
The Radeon RX Vega 56 currently lists from $486 GBP, $16 GBP less than the Radeon RX 6600 XT at $502 GBP. Because it's both faster and competitively priced, the Radeon RX 6600 XT wins on performance-per-dollar by about 38%. The Radeon RX Vega 56 still sits about $87 GBP above its $399 GBP MSRP. The Radeon RX 6600 XT still sits about $123 GBP above its $379 GBP MSRP.
Power & Efficiency
At 160W against 210W, the Radeon RX 6600 XT 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 N7 process is part of why it does more with each watt.
Memory & Bandwidth
The Radeon RX Vega 56's memory is faster — 410 GB/s versus 256 GB/s (2048-bit vs 128-bit bus) — which helps feed the GPU at 4K and with heavy textures.
Generation & Longevity
The Radeon RX 6600 XT is roughly 4 years newer than the Radeon RX Vega 56 (RDNA 2 vs GCN 5.0 (Vega)), so it generally benefits from a more modern architecture and longer driver-support runway.
Which should you buy: Radeon RX 6600 XT or Radeon RX Vega 56?
The Radeon RX 6600 XT 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 Vega 56 if you find it at a steep discount.