EASY x_x

Graphics card

GeForce RTX 4090 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

GeForce RTX 4090 is 115% faster on the performance index.

The gap is decisive — these are different classes.

GeForce RTX 4090 leads on 5 parameters, Radeon RX 6600 on 0.

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

Key differences

GeForce RTX 4090

Strengths

  • Ray tracing
  • Memory bandwidth
  • Rasterization

Trade-offs

  • level

Radeon RX 6600

Strengths

  • level

Trade-offs

  • Ray tracing
  • Memory bandwidth
  • Rasterization

Difference per parameter

  • Rasterization

    340
    92

  • Ray tracing

    300
    46

  • Video memory

    24 GB
    8 GB

  • Power efficiency

    450 W
    132 W

  • Memory bandwidth

    384-bit GDDR6X
    128-bit GDDR6

Profile of both sides

RasterizationRay tracingVideo memoryPower efficiencyMemory bandwidth
GeForce RTX 4090Radeon RX 6600

Specifications side by side

Side AGeForce RTX 4090Side BRadeon RX 6600
Performance index340better92
Ray tracing index300better46
Video memory24 GBbetter8 GB
Memory typeGDDR6XGDDR6
Memory bus384 bitbetter128 bit
Boost clock2520 MHzbetter2491 MHz
Power draw (TDP)450 W132 Wbetter
UpscalerDLSSFSR
Process nodeTSMC 4 nmTSMC 7 nm
ReleasedQ4 2022Q4 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.