EASY x_x

Graphics card

Radeon RX 6600 XT vs Radeon RX 7800 XT

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

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Verdict

Radeon RX 7800 XT is 62% faster on the performance index.

The gap is decisive — these are different classes.

Radeon RX 6600 XT leads on 0 parameters, Radeon RX 7800 XT on 5.

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

Key differences

Radeon RX 6600 XT

Strengths

  • level

Trade-offs

  • Video memory
  • Rasterization
  • Memory bandwidth

Radeon RX 7800 XT

Strengths

  • Video memory
  • Rasterization
  • Memory bandwidth

Trade-offs

  • level

Difference per parameter

  • Rasterization

    108
    205

  • Ray tracing

    54
    119

  • Video memory

    8 GB
    16 GB

  • Power efficiency

    160 W
    263 W

  • Memory bandwidth

    128-bit GDDR6
    256-bit GDDR6

Profile of both sides

RasterizationRay tracingVideo memoryPower efficiencyMemory bandwidth
Radeon RX 6600 XTRadeon RX 7800 XT

Specifications side by side

Side ARadeon RX 6600 XTSide BRadeon RX 7800 XT
Performance index108205better
Ray tracing index54119better
Video memory8 GB16 GBbetter
Memory typeGDDR6GDDR6
Memory bus128 bit256 bitbetter
Boost clock2589 MHzbetter2430 MHz
Power draw (TDP)160 Wbetter263 W
UpscalerFSRFSR
Process nodeTSMC 7 nmTSMC 5 nm
ReleasedQ3 2021Q3 2023

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.