EASY x_x

Graphics card

Radeon RX 580 vs Radeon RX 6600

Compared by performance index, specifications and load profile. The per-parameter difference comes first; the index follows.

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Verdict

Radeon RX 6600 is 67% faster on the performance index.

The gap is decisive — these are different classes.

Radeon RX 580 leads on 0 parameters, Radeon RX 6600 on 3.

Specification source: A — AMD; B — AMD. Specifications verified on 2026-07-27

Key differences

Radeon RX 580

Strengths

  • Memory bandwidth

Trade-offs

  • Power efficiency
  • Rasterization
  • Ray tracing

Radeon RX 6600

Strengths

  • Power efficiency
  • Rasterization
  • Ray tracing

Trade-offs

  • Memory bandwidth

Difference per parameter

  • Rasterization

    46
    92

  • Ray tracing

    11
    46

  • Video memory

    8 GB
    8 GB

  • Power efficiency

    185 W
    132 W

  • Memory bandwidth

    256-bit GDDR5
    128-bit GDDR6

Profile of both sides

RasterizationRay tracingVideo memoryPower efficiencyMemory bandwidth
Radeon RX 580Radeon RX 6600

Specifications side by side

Side ARadeon RX 580Side BRadeon RX 6600
Performance index4692better
Ray tracing index1146better
Video memory8 GB8 GB
Memory typeGDDR5GDDR6
Memory bus256 bitbetter128 bit
Boost clock1340 MHz2491 MHzbetter
Power draw (TDP)185 W132 Wbetter
UpscalerFSRFSR
Process nodeGlobalFoundries 14 nmTSMC 7 nm
ReleasedQ2 2017Q4 2021

FPS in popular games

FPS is shown only when a verified measurement exists for the exact CPU, GPU and settings.

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Similar comparisons

Other pairs of the same class and pairs involving these models.

Deltas are computed from the EasyX-X catalog: relative performance indices and the vendor’s own published specifications. We do not copy third-party benchmark tables.