AMD Radeon RX 580 2048SP vs AMD Radeon RX 6400

Compare AMD Radeon RX 580 2048SP vs AMD Radeon RX 6400 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

1836 points

1845 points

0.49% slightly better overall score

Flux Core frame rate

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

37 FPS

42 FPS

5 FPS slightly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

27 FPS

28 FPS

1 FPS slightly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

40 FPS

3 FPS slightly higher City frame rate

36 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

14 FPS

16 FPS

1 FPS slightly higher Clouds frame rate

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Other Benchmarks

3DMark Graphics score

High-end graphics benchmark

3877 points

2293% significantly higher 3DMark Graphics score

162 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

34371 points

2% slightly higher Geekbench 6 (OpenCL) score

33586 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

45743 points

11% slightly higher Geekbench 6 (Vulkan) score

41105 points

Specifications

Core Clock Speed

Nominal chip frequency

1168 MHz

1923 MHz

64% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1284 MHz

2321 MHz

80% significantly higher boost clock speed

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

224 GB/s

75% significantly higher memory bandwidth

128 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

150 W

53 W

183% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

41.09 Gigapixels/s

74.3 Gigapixels/s

80% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

164.4 Gigatexels/s

47% significantly higher texture rate

111.4 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

5.26 TFLOPS

47% significantly better floating point performance

3.57 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2048

166% significantly more shading units

768

Texture Mapping Units

Number of processors dedicated to applying textures

128

166% 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

218th of 586

217th of 586

Family

The product line

Radeon RX 6000 Series

Release date

The official date of release of this chip

2018 October

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 580 2048SP vs Radeon RX 6400 comparison

For gaming, the Radeon RX 6400 graphics card is better than the Radeon RX 580 2048SP in our tests.

Our database shows that the Radeon RX 6400 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 6400 also has a significantly higher boost clock speed. This is a frequency that can be reached if the GPU is cooled sufficiently and has enough power.

In addition, the Radeon RX 6400 has a significantly lower TDP at 53 W when compared to the Radeon RX 580 2048SP at 150 W. Heat output doesn't match power consumption directly but, it's a good estimate.

In terms of raw gaming performance in our GPU benchmark, the Radeon RX 6400 is better than the Radeon RX 580 2048SP.