AMD Radeon RX 580X vs AMD Radeon RX 6500 XT

Compare AMD Radeon RX 580X 8 GB vs AMD Radeon RX 6500 XT 4 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

2318 points

3023 points

30% slightly better overall score

Flux Core frame rate

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

47 FPS

64 FPS

17 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

35 FPS

46 FPS

11 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

51 FPS

56 FPS

5 FPS slightly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

19 FPS

26 FPS

6 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

41822 points

52512 points

25% slightly higher Geekbench 5 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

41822 points

50916 points

21% slightly higher Geekbench 6 (OpenCL) score

Specifications

Core Clock Speed

Nominal chip frequency

1257 MHz

2310 MHz

83% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1340 MHz

2815 MHz

110% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

8 GiB

100% significantly more memory

4 GiB

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

300% significantly larger memory bus width

64 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

256 GB/s

77% significantly higher memory bandwidth

144 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

185 W

107 W

72% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

42.88 Gigapixels/s

90.1 Gigapixels/s

110% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

192.96 Gigatexels/s

7% slightly higher texture rate

180.2 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

6.18 TFLOPS

7% slightly better floating point performance

5.77 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2304

125% significantly more shading units

1024

Texture Mapping Units

Number of processors dedicated to applying textures

144

125% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

Identical

Other details

Rank

Ranking in the hardwareDB database

189th of 586

154th of 586

Family

The product line

Radeon RX 500X Series

Radeon RX 6000 Series

Release date

The official date of release of this chip

2018 March

2022 January

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

4.6

Radeon RX 580X vs Radeon RX 6500 XT benchmarks

For gaming, the Radeon RX 6500 XT graphics card is better than the Radeon RX 580X in our tests.

In our comparison, the Radeon RX 6500 XT has a significantly 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 6500 XT also has a significantly higher boost clock speed. The boost clock speed is the frequency that the GPU core can reach if the temperature is low enough. The allows for higher performance in certain scenarios.

Next up, in terms of GPU memory, the Radeon RX 580X has significantly more memory with 8 GiB of memory compared to 4 GiB. Memory size doesn't directly affect performance, but too little memory will certainly degrade gaming performance.

In addition, the Radeon RX 6500 XT has a significantly lower TDP at 107 W when compared to the Radeon RX 580X at 185 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 terms of raw gaming performance in our GPU benchmark, the Radeon RX 6500 XT is better than the Radeon RX 580X.