Graphics card

GeForce RTX 4090 vs Radeon RX 7900 XTX

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

Verdict

GeForce RTX 4090 is 11% faster on the performance index.

The gap is noticeable but not decisive.

GeForce RTX 4090 leads on 3 parameters, Radeon RX 7900 XTX on 1.

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

Difference per parameter

  • Rasterization

    340
    305
  • Ray tracing

    300
    177
  • Video memory

    24 GB
    24 GB
  • Power efficiency

    450 W
    355 W
  • Memory bandwidth

    384-bit GDDR6X
    384-bit GDDR6

Profile of both sides

RasterizationRay tracingVideo memoryPower efficiencyMemory bandwidth
GeForce RTX 4090Radeon RX 7900 XTX

Specifications side by side

Side AGeForce RTX 4090Side BRadeon RX 7900 XTX
Performance index340better305
Ray tracing index300better177
Video memory24 GB24 GB
Memory typeGDDR6XGDDR6
Memory bus384 bit384 bit
Boost clock2520 MHzbetter2500 MHz
Power draw (TDP)450 W355 Wbetter
UpscalerDLSSFSR
Process nodeTSMC 4 nmTSMC 5 nm
ReleasedQ4 2022Q4 2022

FPS in popular games

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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.