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Radeon R9 M385X vs Radeon RX 560

Intro

The Radeon R9 M385X makes use of a 28 nm design. AMD has set the core speed at 1100 MHz. The GDDR5 RAM is set to run at a speed of 1500 MHz on this particular card. It features 896 SPUs along with 56 Texture Address Units and 16 Rasterization Operator Units.

Compare all of that to the Radeon RX 560, which comes with a core clock frequency of 1175 MHz and a GDDR5 memory speed of 7000 MHz. It also features a 128-bit memory bus, and uses a 14 nm design. It is made up of 1024 SPUs, 64 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Memory Bandwidth

As far as performance goes, the Radeon RX 560 should in theory be a small bit better than the Radeon R9 M385X overall. (explain)

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

Texel Rate

The Radeon RX 560 is quite a bit (more or less 22%) better at AF than the Radeon R9 M385X. (explain)

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

Pixel Rate

The Radeon RX 560 should be a little bit (more or less 7%) more effective at FSAA than the Radeon R9 M385X, and also able to handle higher resolutions better. (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 maximum amount of data (in units of megabytes per second) that can be transferred over the external memory interface within a second. It is calculated by multiplying the bus width by its memory speed. In the case of DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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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.

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