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Radeon RX 550 vs Radeon RX 570

Intro

The Radeon RX 550 comes with a core clock frequency of 1100 MHz and a GDDR5 memory speed of 1750 MHz. It also makes use of a 128-bit bus, and makes use of a 14 nm design. It features 512 SPUs, 32 TAUs, and 16 ROPs.

Compare those specs to the Radeon RX 570, which makes use of a 14 nm design. AMD has set the core speed at 1168 MHz. The GDDR5 memory is set to run at a speed of 1750 MHz on this model. It features 2048 SPUs along with 128 TAUs and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

Radeon RX 570 12108 points
Radeon RX 550 3507 points
Difference: 8601 (245%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550 50 Watts
Radeon RX 570 150 Watts
Difference: 100 Watts (200%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 570 will be 100% faster than the Radeon RX 550 in general, due to its higher data rate. (explain)

Radeon RX 570 229376 MB/sec
Radeon RX 550 114688 MB/sec
Difference: 114688 (100%)

Texel Rate

The Radeon RX 570 is quite a bit (more or less 325%) faster with regards to AF than the Radeon RX 550. (explain)

Radeon RX 570 149504 Mtexels/sec
Radeon RX 550 35200 Mtexels/sec
Difference: 114304 (325%)

Pixel Rate

The Radeon RX 570 is much (about 112%) more effective at full screen anti-aliasing than the Radeon RX 550, and also capable of handling higher screen resolutions while still performing well. (explain)

Radeon RX 570 37376 Mpixels/sec
Radeon RX 550 17600 Mpixels/sec
Difference: 19776 (112%)

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

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Radeon RX 570

Amazon.com

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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 570
Manufacturer AMD AMD
Year April 2017 April 2017
Code Name Polaris 12 Polaris 20
Memory 2048 MB 4096 MB
Core Speed 1100 MHz 1168 MHz
Memory Speed 7000 MHz 7000 MHz
Power (Max TDP) 50 watts 150 watts
Bandwidth 114688 MB/sec 229376 MB/sec
Texel Rate 35200 Mtexels/sec 149504 Mtexels/sec
Pixel Rate 17600 Mpixels/sec 37376 Mpixels/sec
Unified Shaders 512 2048
Texture Mapping Units 32 128
Render Output Units 16 32
Bus Type GDDR5 GDDR5
Bus Width 128-bit 256-bit
Fab Process 14 nm 14 nm
Transistors 2200 million 5700 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.5

Memory Bandwidth: Bandwidth is the largest amount of information (measured in megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its 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 the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on 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 reach the maximum fill rate.

Display Prices

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Radeon RX 550

Amazon.com

Check prices at:

Radeon RX 570

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.

Comments

One Response to “Radeon RX 550 vs Radeon RX 570”
Elmer says:

Thank you very much for your clear and useful comparisons. This is where I finally found out the answers to my questions about what graphics card will run the new MS Flight Simulator. MS recommends the RX 570.

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