AMD Radeon RX 580 vs AMD Radeon RX 6600M

Compare AMD Radeon RX 580 8 GB vs AMD Radeon RX 6600M 8 GB, specs and GPU benchmark score. Which is the better graphics card for the money?

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Specifications
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Benchmark Score

Overall Score

General gaming and workstation score

2281 points

3903 points

71% significantly better overall score

Flux Core frame rate

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

47 FPS

92 FPS

44 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

34 FPS

57 FPS

23 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

48 FPS

77 FPS

29 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

18 FPS

36 FPS

17 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

4328 points

8165 points

88% significantly higher 3DMark Graphics score

Blender score

Cycles Render (Samples per minute)

390.99 points

902.13 points

130% significantly higher Blender score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

49182 points

63711 points

29% slightly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

54191 points

13% slightly higher Geekbench 5 (Vulkan) score

47653 points

Geekbench 6 (Metal) score

Metal compute benchmark

52261 points

95291 points

82% significantly higher Geekbench 6 (Metal) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

45779 points

70251 points

53% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

53514 points

75065 points

40% slightly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1257 MHz

2068 MHz

64% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1340 MHz

2416 MHz

80% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

8 GiB

Identical

8 GiB

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

100% significantly larger memory bus width

128 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

256 GB/s

14% slightly higher memory bandwidth

224 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

185 W

100 W

85% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

42.88 Gigapixels/s

154.6 Gigapixels/s

260% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

192.96 Gigatexels/s

274.2 Gigatexels/s

42% slightly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

6.18 TFLOPS

8.77 TFLOPS

42% slightly better floating point performance

Shading Units

Number of processors dedicated to shader processing

2304

28% slightly more shading units

1792

Texture Mapping Units

Number of processors dedicated to applying textures

144

28% slightly more texture mapping units

112

Render Output Processors

Number of processors dedicated to final pixel rendering

100% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

192nd of 586

126th of 586

Family

The product line

Radeon RX 500 Series

Radeon RX 6000 Series

Release date

The official date of release of this chip

2017 April

2021 May

Memory Type

The type of memory used by this chip

GDDR5

GDDR6

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

Radeon RX 580 vs Radeon RX 6600M benchmarks

For gaming, the Radeon RX 6600M graphics card is better than the Radeon RX 580 in our tests.

Our database shows that the Radeon RX 6600M has a significantly higher core clock speed. This is the frequency at which the graphics core is running at. While not necessarily an indicator of overall performance, this metric can be useful when comparing two GPUs based on the same architecture. In addition, the Radeon RX 6600M also has a significantly higher boost clock speed: the maximum frequency the chip can reach if power delivery and thermals allow.

As stated by the manufacturer, they both have the same amount of memory at 8 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In addition, the Radeon RX 6600M has a significantly lower TDP at 100 W when compared to the Radeon RX 580 at 185 W. TDP (Thermal Design Power) measures total heat output from the chip.

According to the results of the hardwareDB benchmark utility, the Radeon RX 6600M is faster than the Radeon RX 580.