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Radeon R9 285 vs Radeon RX 560

Intro

The Radeon R9 285 features a GPU clock speed of 918 MHz, and the 2048 MB of GDDR5 memory is set to run at 1375 MHz through a 256-bit bus. It also is comprised of 1792 Stream Processors, 112 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon RX 560, which makes use of a 14 nm design. AMD has set the core speed at 1175 MHz. The GDDR5 RAM works at a frequency of 7000 MHz on this specific card. It features 1024 SPUs along with 64 TAUs and 16 Rasterization Operator Units.

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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

Theoretically, the Radeon R9 285 should perform quite a bit faster than the Radeon RX 560 in general. (explain)

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

Texel Rate

The Radeon R9 285 should be much (about 37%) faster with regards to AF 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 much (about 56%) better at AA than the Radeon RX 560, and also will be able to handle higher resolutions without slowing down too much. (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 largest amount of data (in units of megabytes per second) that can be transported over the external memory interface in a second. The number is calculated by multiplying the card's interface width by the speed of its memory. In the case of DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability 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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