AMD Radeon RX 480 vs AMD Radeon RX 640

Compare AMD Radeon RX 480 8 GB vs AMD Radeon RX 640 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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AMD Radeon RX 640

Price

The cheapest price from our partner retailers

$ 1668.98

$ 199.99

$ 1468.99 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

2142 points

285% significantly better overall score

556 points

Flux Core frame rate

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

44 FPS

31 FPS significantly higher Flux Core frame rate

14 FPS

Electron frame rate

Randomly generated noise sphere test

33 FPS

24 FPS significantly higher Electron frame rate

9 FPS

City frame rate

Procedurally generated city scene with voxel rendering

45 FPS

33 FPS significantly higher City frame rate

13 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

17 FPS

14 FPS significantly higher Clouds frame rate

4 FPS

Free GPU Benchmark

Want to compare your graphics card against the Radeon RX 480 and the Radeon RX 640? Download our free and quick PC Performance Test.

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

44522 points

180% significantly higher Geekbench 5 (OpenCL) score

15883 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

48947 points

208% significantly higher Geekbench 5 (Vulkan) score

15859 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

42732 points

197% significantly higher Geekbench 6 (OpenCL) score

14348 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

49182 points

199% significantly higher Geekbench 6 (Vulkan) score

16397 points

Specifications

Core Clock Speed

Nominal chip frequency

1266 MHz

17% slightly higher core clock speed

1082 MHz

Boost Clock Speed

Higher turbo frequency when power conditions are met

1266 MHz

1287 MHz

1% slightly 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

224 GB/s

300% significantly higher memory bandwidth

56 GB/s

TDP

Thermal Design Power: Measure of heat generated by the GPU

150 W

50 W

200% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

40.51 Gigapixels/s

96% significantly higher pixel rate

20.6 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

182.3 Gigatexels/s

254% significantly higher texture rate

51.48 Gigatexels/s

Texture Mapping Units

Number of processors dedicated to applying textures

144

259% significantly more texture mapping units

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

199th of 586

318th of 586

Family

The product line

Radeon RX 400 Series

Radeon 600 Series

Release date

The official date of release of this chip

2016 June

Memory Type

The type of memory used by this chip

GDDR5

DirectX Support

Maximum version of DirectX supported

12.0

OpenGL Support

Maximum version of OpenGL supported

4.5

4.6

Radeon RX 480 vs Radeon RX 640 benchmarks

In our benchmarks, the Radeon RX 480 beats the Radeon RX 640 in gaming performance.

The Radeon RX 480 has a slightly 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. Despite this, the Radeon RX 640 has a slightly 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 480 has significantly more memory with 8 GiB of memory compared to 4 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 640 has a significantly lower TDP at 50 W when compared to the Radeon RX 480 at 150 W. TDP (Thermal Design Power) measures total heat output from the chip.

According to the results of the hardwareDB benchmark utility, the Radeon RX 480 is faster than the Radeon RX 640.