Graphics card

GeForce RTX 4090 vs GeForce RTX 4080

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

Verdict

GeForce RTX 4090 is 23% faster on the performance index.

The gap is decisive — these are different classes.

GeForce RTX 4090 leads on 4 parameters, GeForce RTX 4080 on 1.

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

Difference per parameter

  • Rasterization

    340
    270
  • Ray tracing

    300
    238
  • Video memory

    24 GB
    16 GB
  • Power efficiency

    450 W
    320 W
  • Memory bandwidth

    384-bit GDDR6X
    256-bit GDDR6X

Profile of both sides

RasterizationRay tracingVideo memoryPower efficiencyMemory bandwidth
GeForce RTX 4090GeForce RTX 4080

Specifications side by side

Side AGeForce RTX 4090Side BGeForce RTX 4080
Performance index340better270
Ray tracing index300better238
Video memory24 GBbetter16 GB
Memory typeGDDR6XGDDR6X
Memory bus384 bitbetter256 bit
Boost clock2520 MHzbetter2505 MHz
Power draw (TDP)450 W320 Wbetter
UpscalerDLSSDLSS
Process nodeTSMC 4 nmTSMC 4 nm
ReleasedQ4 2022Q4 2022

FPS in popular games

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

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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.