AMD Radeon RX 580X vs AMD Radeon RX 6800

Compare AMD Radeon RX 580X 8 GB vs AMD Radeon RX 6800 16 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

9568 points

312% significantly better overall score

Flux Core frame rate

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

47 FPS

196 FPS

149 FPS significantly higher Flux Core frame rate

Electron frame rate

Randomly generated noise sphere test

35 FPS

143 FPS

109 FPS significantly higher Electron frame rate

City frame rate

Procedurally generated city scene with voxel rendering

51 FPS

173 FPS

122 FPS significantly higher City frame rate

Clouds frame rate

Real-time noise calculation and ray marching test

19 FPS

83 FPS

64 FPS significantly higher Clouds frame rate

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

41822 points

130322 points

211% significantly higher Geekbench 5 (OpenCL) score

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

41822 points

130005 points

210% significantly higher Geekbench 6 (OpenCL) score

Specifications

Core Clock Speed

Nominal chip frequency

1257 MHz

1815 MHz

44% significantly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

1340 MHz

2105 MHz

57% significantly higher boost clock speed

Memory

Onboard memory size for textures and vertices

8 GiB

16 GiB

100% significantly more memory

Memory Bus Width

Number of parallel lines to the memory chips

256 Bit

Identical

256 Bit

Memory Bandwidth

Data transfer speed between GPU core and memory

256 GB/s

512 GB/s

100% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

185 W

35% slightly lower TDP

250 W

Pixel Rate

Number of pixels that can be rendered per second

42.88 Gigapixels/s

202.1 Gigapixels/s

371% significantly higher pixel rate

Texture Rate

Number of textured pixels that can be rendered per second

192.96 Gigatexels/s

505.2 Gigatexels/s

161% significantly higher texture rate

Floating Point Performance

Raw number of floating point operations per second

6.18 TFLOPS

16.17 TFLOPS

161% significantly better floating point performance

Shading Units

Number of processors dedicated to shader processing

2304

3840

66% significantly more shading units

Texture Mapping Units

Number of processors dedicated to applying textures

144

240

66% significantly more texture mapping units

Render Output Processors

Number of processors dedicated to final pixel rendering

200% significantly more render output processors

Other details

Rank

Ranking in the hardwareDB database

189th of 586

41st 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

2020 November

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 6800 specs and performance

For gaming, the Radeon RX 6800 graphics card is better than the Radeon RX 580X in our tests.

In our comparison, the Radeon RX 6800 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 6800 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.

Furthermore, the spec sheet for both these GPUs show that the Radeon RX 6800 has significantly more memory with 16 GiB of memory compared to 8 GiB. If you're planning at playing games at high resolutions with high-quality textures, you will need a lot of memory.

In addition, the Radeon RX 580X has a slightly lower TDP at 185 W when compared to the Radeon RX 6800 at 250 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 conclusion, all specs and GPU benchmarks considered, will recommend the Radeon RX 6800 over the Radeon RX 580X.