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Radeon RX 550 vs Radeon RX 560

Intro

The Radeon RX 550 has a clock frequency of 1100 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 128-bit memory bus, and makes use of a 14 nm design. It is made up of 512 SPUs, 32 TAUs, and 16 ROPs.

Compare those specifications to the Radeon RX 560, which features core 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 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
Radeon RX 560 80 Watts
Difference: 30 Watts (60%)

Memory Bandwidth

Both cards have exactly the same bandwidth, so in theory they should have identical performance. (explain)

Texel Rate

The Radeon RX 560 should be quite a bit (more or less 114%) better at texture filtering than the Radeon RX 550. (explain)

Radeon RX 560 75200 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 40000 (114%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the Radeon RX 560 is superior to the Radeon RX 550, but only just. (explain)

Radeon RX 560 18800 Mpixels/sec
Radeon RX 550 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 RX 550

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 RX 550 Radeon RX 560
Manufacturer AMD AMD
Year April 2017 May 2017
Code Name Polaris 12 Baffin
Memory 2048 MB 4096 MB
Core Speed 1100 MHz 1175 MHz
Memory Speed 7000 MHz 28000 MHz
Power (Max TDP) 50 watts 80 watts
Bandwidth 114688 MB/sec 114688 MB/sec
Texel Rate 35200 Mtexels/sec 75200 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 18800 Mpixels/sec
Unified Shaders 512 1024
Texture Mapping Units 32 64
Render Output Units 16 16
Bus Type GDDR5 GDDR5
Bus Width 128-bit 128-bit
Fab Process 14 nm 14 nm
Transistors 2200 million 3000 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported past the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, 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 amount of texture map elements (texels) that can be applied per second. This figure is worked out 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 graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon RX 550

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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