Graphics card

GeForce GTX 1660 SUPER vs Radeon RX 6600

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

Build your own comparison

Pick two models — the comparison page opens.

If the form is unavailable, use the ready-made comparisons below.

Verdict

Radeon RX 6600 is 45% faster on the performance index.

The gap is decisive — these are different classes.

GeForce GTX 1660 SUPER leads on 1 parameters, Radeon RX 6600 on 4.

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

Key differences

GeForce GTX 1660 SUPER

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

    58
    92
  • Ray tracing

    20
    46
  • Video memory

    6 GB
    8 GB
  • Power efficiency

    125 W
    132 W
  • Memory bandwidth

    192-bit GDDR6
    128-bit GDDR6

Profile of both sides

RasterizationRay tracingVideo memoryPower efficiencyMemory bandwidth
GeForce GTX 1660 SUPERRadeon RX 6600

Specifications side by side

Side AGeForce GTX 1660 SUPERSide BRadeon RX 6600
Performance index5892better
Ray tracing index2046better
Video memory6 GB8 GBbetter
Memory typeGDDR6GDDR6
Memory bus192 bitbetter128 bit
Boost clock1785 MHz2491 MHzbetter
Power draw (TDP)125 Wbetter132 W
UpscalerNoFSR
Process nodeTSMC 12 nmTSMC 7 nm
ReleasedQ4 2019Q4 2021

FPS in popular games

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

Open the FPS calculator

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.