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Radeon R9 285 vs Radeon RX 560

Intro

The Radeon R9 285 has a GPU core clock speed of 918 MHz, and the 2048 MB of GDDR5 RAM runs at 1375 MHz through a 256-bit bus. It also is comprised of 1792 SPUs, 112 TAUs, and 32 Raster Operation Units.

Compare that to the Radeon RX 560, which features a GPU core clock speed of 1175 MHz, and 4096 MB of GDDR5 memory running at 7000 MHz through a 128-bit bus. It also is comprised of 1024 Stream Processors, 64 TAUs, and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 560 80 Watts
Radeon R9 285 190 Watts
Difference: 110 Watts (138%)

Memory Bandwidth

The Radeon R9 285, in theory, should be a lot faster than the Radeon RX 560 overall. (explain)

Radeon R9 285 176000 MB/sec
Radeon RX 560 114688 MB/sec
Difference: 61312 (53%)

Texel Rate

The Radeon R9 285 will be quite a bit (about 37%) better at texture filtering than the Radeon RX 560. (explain)

Radeon R9 285 102816 Mtexels/sec
Radeon RX 560 75200 Mtexels/sec
Difference: 27616 (37%)

Pixel Rate

The Radeon R9 285 should be quite a bit (more or less 56%) better at full screen anti-aliasing than the Radeon RX 560, and also will be capable of handling higher resolutions better. (explain)

Radeon R9 285 29376 Mpixels/sec
Radeon RX 560 18800 Mpixels/sec
Difference: 10576 (56%)

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 285

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 285 Radeon RX 560
Manufacturer AMD AMD
Year September 2014 May 2017
Code Name Tonga PRO Baffin
Memory 2048 MB 4096 MB
Core Speed 918 MHz 1175 MHz
Memory Speed 5500 MHz 28000 MHz
Power (Max TDP) 190 watts 80 watts
Bandwidth 176000 MB/sec 114688 MB/sec
Texel Rate 102816 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 29376 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 1792 1024
Texture Mapping Units 112 64
Render Output Units 32 16
Bus Type GDDR5 GDDR5
Bus Width 256-bit 128-bit
Fab Process 28 nm 14 nm
Transistors 5000 million 3000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.4 OpenGL 4.6

Memory Bandwidth: Memory bandwidth is the max amount of information (counted in megabytes per second) that can be transferred over the external memory interface within a second. The number is worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the the card's 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 quite a few other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

Radeon R9 285

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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