AMD Radeon RX 580X vs AMD Radeon RX 6400

Compare AMD Radeon RX 580X 8 GB 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

2318 points

25% slightly better overall score

1845 points

Flux Core frame rate

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

47 FPS

5 FPS slightly higher Flux Core frame rate

42 FPS

Electron frame rate

Randomly generated noise sphere test

35 FPS

6 FPS slightly higher Electron frame rate

28 FPS

City frame rate

Procedurally generated city scene with voxel rendering

51 FPS

14 FPS significantly higher City frame rate

36 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

19 FPS

3 FPS slightly higher Clouds frame rate

16 FPS

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Other Benchmarks

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

41822 points

24% slightly higher Geekbench 6 (OpenCL) score

33586 points

Specifications

Core Clock Speed

Nominal chip frequency

1257 MHz

1923 MHz

52% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1340 MHz

2321 MHz

73% 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

100% significantly higher memory bandwidth

128 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

185 W

53 W

249% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

42.88 Gigapixels/s

74.3 Gigapixels/s

73% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

192.96 Gigatexels/s

73% significantly higher texture rate

111.4 Gigatexels/s

Floating Point Performance

Raw number of floating point operations per second

6.18 TFLOPS

72% significantly better floating point performance

3.57 TFLOPS

Shading Units

Number of processors dedicated to shader processing

2304

200% significantly more shading units

768

Texture Mapping Units

Number of processors dedicated to applying textures

144

200% 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

217th 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 6400 comparison

According to the hardwareDB Benchmark, the Radeon RX 6400 GPU is faster than the Radeon RX 580X in gaming.

In our comparison, the Radeon RX 6400 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 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.

As stated by the manufacturer, the Radeon RX 580X has significantly more memory with 8 GiB of memory compared to 4 GiB. Lots of memory is good when playing at high resolutions or with many monitors.

In addition, the Radeon RX 6400 has a significantly lower TDP at 53 W when compared to the Radeon RX 580X 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 6400 over the Radeon RX 580X.