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AMD Radeon RX Vega 56 vs AMD Radeon RX 6700 XT

Our index puts the AMD Radeon RX 6700 XT roughly 30% ahead of the AMD Radeon RX Vega 56. This is an estimate for ranking, not a measured benchmark, and the gap varies considerably by title and by resolution.

SpecificationAMD Radeon RX Vega 56AMD Radeon RX 6700 XT
ManufacturerAMDAMD
ArchitectureGCN 5 (Vega)RDNA 2
Relative performance index94122 (better)
Video memory8 GB12 GB (better)
Memory typeHBM2GDDR6
Memory bus2048-bit (better)192-bit
Release year20172021 (better)
Board power210 W (better)230 W
Suggested PSU650 W650 W
Hardware ray tracingNoYes
Upscaling supportFSR 3FSR 3
DirectX1212 Ultimate

Green marks the stronger figure for that row only — for power draw and PSU requirement, lower is treated as better. Performance indexes are CanMyPcPlay estimates; read how they are derived.

Which should you pick?

  • Check video memory, not just speed. A faster card with less VRAM can perform worse in recent titles at high texture settings.
  • Check power and clearance. Confirm your PSU and case can take the card — the build checker does this.
  • Upscaling support differs. DLSS is NVIDIA-only; FSR and XeSS run more broadly.