AMD Radeon RX 580 vs AMD Radeon RX 6600 XT

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

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AMD Radeon RX 6600 XT

Price

The cheapest price from our partner retailers

$ 298.79

$ 62.20 slightly less expensive

$ 360.99

Benchmark Score

Overall Score

General gaming and workstation score

22 %

54 %

145% significantly better overall score

Flux Core frame rate

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

46 FPS

111 FPS

66 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

33 FPS

83 FPS

50 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

45 FPS

97 FPS

53 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

18 FPS

47 FPS

29 FPS significantly higher Clouds frame rate

Free GPU Benchmark

Want to compare your graphics card against the Radeon RX 580 and the Radeon RX 6600 XT? Download our free and quick PC Performance Test.

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

4333

9708

124% significantly higher 3DMark Graphics score

Blender score

Cycles Render (Samples per minute)

419.17

1002.61

139% significantly higher Blender score

Geekbench 5 (Metal) score

Metal compute benchmark

44601

83409

87% significantly higher Geekbench 5 (Metal) score

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

49182

82559

67% significantly higher Geekbench 5 (OpenCL) score

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

54191

64460

18% slightly higher Geekbench 5 (Vulkan) score

Geekbench 6 (Metal) score

Metal compute benchmark

52090

106828

105% significantly higher Geekbench 6 (Metal) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

43718

81591

86% significantly higher Geekbench 6 (OpenCL) score

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

50852

97618

91% significantly higher Geekbench 6 (Vulkan) score

Specifications

Core Clock Speed

Nominal chip frequency

1257 MHz

1968 MHz

56% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1340 MHz

2589 MHz

93% 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

Identical

256 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

185 W

160 W

15% slightly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

42.88 Gigapixels/s

165.7 Gigapixels/s

286% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

192.96 Gigatexels/s

331.4 Gigatexels/s

71% significantly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

6.18 TFLOPS

10.6 TFLOPS

71% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

2304

12% slightly more shading units

2048

Texture Mapping Units

Number of processors dedicated to applying textures

144

12% slightly more texture mapping units

128

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

111th of 549

39th of 549

Family

The product line

Radeon 500 Series

Radeon RX 6000 Series

Release date

The official date of release of this chip

April 2017

November 2021

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 6600 XT comparison

In our benchmarks, the Radeon RX 6600 XT beats the Radeon RX 580 in gaming performance.

The Radeon RX 6600 XT 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 6600 XT 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 6600 XT has a slightly lower TDP at 160 W when compared to the Radeon RX 580 at 185 W. TDP (Thermal Design Power) measures total heat output from the chip.

In conclusion, all specs and GPU benchmarks considered, will recommend the Radeon RX 6600 XT over the Radeon RX 580.

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