AMD Radeon RX 580 2048SP vs NVIDIA GeForce GTX 660

Compare AMD Radeon RX 580 2048SP vs NVIDIA GeForce GTX 660 3 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Specifications
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GPU Comparison

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Benchmark Score

Overall Score

General gaming and workstation score

1836 points

125% significantly better overall score

816 points

Flux Core frame rate

Volumetric ray casting test, a computationally expensive method of rendering high-quality scenes

37 FPS

19 FPS significantly higher Flux Core frame rate

18 FPS

Electron frame rate

Randomly generated noise sphere test

27 FPS

16 FPS significantly higher Electron frame rate

11 FPS

City frame rate

Procedurally generated city scene with voxel rendering

40 FPS

27 FPS significantly higher City frame rate

13 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

14 FPS

5 FPS significantly higher Clouds frame rate

9 FPS

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

3877 points

194% significantly higher 3DMark Graphics score

1317 points

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

40609 points

256% significantly higher Geekbench 5 (OpenCL) score

11381 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

37797 points

253% significantly higher Geekbench 5 (Vulkan) score

10693 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

34371 points

202% significantly higher Geekbench 6 (OpenCL) score

11353 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

45743 points

285% significantly higher Geekbench 6 (Vulkan) score

11858 points

Specifications

Core Clock Speed

Nominal chip frequency

1168 MHz

19% slightly higher core clock speed

980 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1284 MHz

24% slightly higher boost clock speed

1032 MHz

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

33% slightly larger memory bus width

192 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

224 GB/s

55% significantly higher memory bandwidth

144.2 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

150 W

140 W

7% slightly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

41.09 Gigapixels/s

99% significantly higher pixel rate

20.64 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

164.4 Gigatexels/s

99% significantly higher texture rate

82.56 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

5.26 TFLOPS

165% significantly better floating point performance

1.98 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2048

113% significantly more shading units

960

Texture Mapping Units

Number of processors dedicated to applying textures

128

60% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

33% slightly more render output processors

Other details

Rank

Ranking in the hardwareDB database

218th of 586

276th of 586

Release date

The official date of release of this chip

2018 October

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

11.0

OpenGL Support

Maximum version of OpenGL supported

4.6

4.5

Radeon RX 580 2048SP vs GeForce GTX 660 specs and performance

According to the hardwareDB Benchmark, the Radeon RX 580 2048SP GPU is faster than the GeForce GTX 660 in gaming.

The Radeon RX 580 2048SP has a slightly higher core clock speed. The core clock speed (or base speed) is the frequency at which the GPU core runs. This metric makes sense when comparing GPUs of a similar architecture or generation. In addition, the Radeon RX 580 2048SP also has a slightly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

In addition, the GeForce GTX 660 has a slightly lower TDP at 140 W when compared to the Radeon RX 580 2048SP at 150 W. This is not a measure of performance, but rather the amount of heat generated by the chip when running at its highest speed.

In conclusion, all specs and GPU benchmarks considered, will recommend the Radeon RX 580 2048SP over the GeForce GTX 660.