EASY x_x

Graphics card

GeForce GTX 1660 SUPER vs Radeon RX 580

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

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Verdict

GeForce GTX 1660 SUPER is 23% faster on the performance index.

The gap is decisive — these are different classes.

GeForce GTX 1660 SUPER leads on 4 parameters, Radeon RX 580 on 1.

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

Key differences

GeForce GTX 1660 SUPER

Strengths

  • Power efficiency
  • Memory bandwidth
  • Rasterization

Trade-offs

  • Video memory

Radeon RX 580

Strengths

  • Video memory

Trade-offs

  • Power efficiency
  • Memory bandwidth
  • Rasterization

Difference per parameter

  • Rasterization

    58
    46

  • Ray tracing

    20
    11

  • Video memory

    6 GB
    8 GB

  • Power efficiency

    125 W
    185 W

  • Memory bandwidth

    192-bit GDDR6
    256-bit GDDR5

Profile of both sides

RasterizationRay tracingVideo memoryPower efficiencyMemory bandwidth
GeForce GTX 1660 SUPERRadeon RX 580

Specifications side by side

Side AGeForce GTX 1660 SUPERSide BRadeon RX 580
Performance index58better46
Ray tracing index20better11
Video memory6 GB8 GBbetter
Memory typeGDDR6GDDR5
Memory bus192 bit256 bitbetter
Boost clock1785 MHzbetter1340 MHz
Power draw (TDP)125 Wbetter185 W
UpscalerNoFSR
Process nodeTSMC 12 nmGlobalFoundries 14 nm
ReleasedQ4 2019Q2 2017

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.