AMD Radeon R9 380 vs AMD Radeon RX 640

Compare AMD Radeon R9 380 4 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

$ 589.00

$ 199.99

$ 389.01 significantly less expensive

Benchmark Score

Overall Score

General gaming and workstation score

1280 points

130% significantly better overall score

556 points

Flux Core frame rate

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

29 FPS

16 FPS significantly higher Flux Core frame rate

14 FPS

Electron frame rate

Randomly generated noise sphere test

19 FPS

10 FPS significantly higher Electron frame rate

9 FPS

City frame rate

Procedurally generated city scene with voxel rendering

26 FPS

14 FPS significantly higher City frame rate

13 FPS

Clouds frame rate

Real-time noise calculation and ray marching test

10 FPS

6 FPS significantly higher Clouds frame rate

4 FPS

Free GPU Benchmark

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Other Benchmarks

Geekbench 5 (OpenCL) score

OpenCL compute benchmark

29877 points

88% significantly higher Geekbench 5 (OpenCL) score

15883 points

Geekbench 5 (Vulkan) score

Vulkan compute benchmark

33763 points

112% significantly higher Geekbench 5 (Vulkan) score

15859 points

Geekbench 6 (OpenCL) score

OpenCL compute benchmark

28196 points

96% significantly higher Geekbench 6 (OpenCL) score

14348 points

Geekbench 6 (Vulkan) score

Vulkan compute benchmark

33667 points

105% significantly higher Geekbench 6 (Vulkan) score

16397 points

Specifications

Core Clock Speed

Nominal chip frequency

970 MHz

1082 MHz

11% slightly higher core clock speed

Boost Clock Speed

Higher turbo frequency when power conditions are met

970 MHz

1287 MHz

32% slightly higher boost clock speed

Memory

Onboard memory size for textures and vertices

4 GiB

Identical

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

4 GB/s

56 GB/s

1300% significantly higher memory bandwidth

TDP

Thermal Design Power: Measure of heat generated by the GPU

190 W

50 W

280% significantly lower TDP

Pixel Rate

Number of pixels that can be rendered per second

31.04 Gigapixels/s

50% significantly higher pixel rate

20.6 Gigapixels/s

Texture Rate

Number of textured pixels that can be rendered per second

108.6 Gigatexels/s

110% significantly higher texture rate

51.48 Gigatexels/s

Texture Mapping Units

Number of processors dedicated to applying textures

112

180% 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

245th of 586

318th of 586

Family

The product line

Radeon R9 300 Series

Radeon 600 Series

Release date

The official date of release of this chip

2015 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

4.6

Radeon R9 380 vs Radeon RX 640 benchmarks

In our benchmarks, the Radeon R9 380 beats the Radeon RX 640 in gaming performance.

In our comparison, the Radeon RX 640 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. In addition, the Radeon RX 640 also 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.

Furthermore, the spec sheet for both these GPUs show that they both have the same amount of memory at 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 R9 380 at 190 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 R9 380 over the Radeon RX 640.