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Radeon R9 M385X vs Radeon RX 560

Intro

The Radeon R9 M385X features a clock speed of 1100 MHz and a GDDR5 memory speed of 1500 MHz. It also makes use of a 128-bit memory bus, and makes use of a 28 nm design. It is comprised of 896 SPUs, 56 Texture Address Units, and 16 Raster Operation Units.

Compare that to the Radeon RX 560, which has clock speeds of 1175 MHz on the GPU, and 7000 MHz on the 4096 MB of GDDR5 RAM. It features 1024 SPUs along with 64 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the Radeon RX 560 will be 19% faster than the Radeon R9 M385X overall, because of its higher data rate. (explain)

Radeon RX 560 114688 MB/sec
Radeon R9 M385X 96000 MB/sec
Difference: 18688 (19%)

Texel Rate

The Radeon RX 560 should be much (more or less 22%) faster with regards to texture filtering than the Radeon R9 M385X. (explain)

Radeon RX 560 75200 Mtexels/sec
Radeon R9 M385X 61600 Mtexels/sec
Difference: 13600 (22%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 560 is superior to the Radeon R9 M385X, but it probably won't make a huge difference. (explain)

Radeon RX 560 18800 Mpixels/sec
Radeon R9 M385X 17600 Mpixels/sec
Difference: 1200 (7%)

Please note that the above 'benchmarks' are all just theoretical - the results were calculated based on the card's specifications, and real-world performance may (and probably will) vary at least a bit.

Price Comparison

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Radeon R9 M385X

Amazon.com

Check prices at:

Radeon RX 560

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model Radeon R9 M385X Radeon RX 560
Manufacturer AMD AMD
Year 2015 May 2017
Code Name Bonaire Baffin
Memory 4096 MB 4096 MB
Core Speed 1100 MHz 1175 MHz
Memory Speed 6000 MHz 28000 MHz
Power (Max TDP) (Unknown) watts 80 watts
Bandwidth 96000 MB/sec 114688 MB/sec
Texel Rate 61600 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 896 1024
Texture Mapping Units 56 64
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 28 nm 14 nm
Transistors (Unknown) million 3000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.3 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

Hide Prices

Radeon R9 M385X

Amazon.com

Check prices at:

Radeon RX 560

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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