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Radeon RX 5500 XT vs Radeon RX 580

Intro

The Radeon RX 5500 XT features a GPU clock speed of 1717 MHz, and the 8192 MB of GDDR6 RAM is set to run at 1750 MHz through a 128-bit bus. It also is made up of 1408 Stream Processors, 88 Texture Address Units, and 32 Raster Operation Units.

Compare those specs to the Radeon RX 580, which comes with a clock speed of 1257 MHz and a GDDR5 memory speed of 2000 MHz. It also uses a 256-bit memory bus, and uses a 14 nm design. It is comprised of 2304 SPUs, 144 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 XT 130 Watts
Radeon RX 580 185 Watts
Difference: 55 Watts (42%)

Memory Bandwidth

The Radeon RX 580, in theory, should be just a bit faster than the Radeon RX 5500 XT overall. (explain)

Radeon RX 580 262144 MB/sec
Radeon RX 5500 XT 229376 MB/sec
Difference: 32768 (14%)

Texel Rate

The Radeon RX 580 should be a little bit (more or less 20%) faster with regards to anisotropic filtering than the Radeon RX 5500 XT. (explain)

Radeon RX 580 181008 Mtexels/sec
Radeon RX 5500 XT 151096 Mtexels/sec
Difference: 29912 (20%)

Pixel Rate

If running with high levels of AA is important to you, then the Radeon RX 5500 XT is the winner, by a large margin. (explain)

Radeon RX 5500 XT 54944 Mpixels/sec
Radeon RX 580 40224 Mpixels/sec
Difference: 14720 (37%)

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 5500 XT

Amazon.com

Check prices at:

Radeon RX 580

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 5500 XT Radeon RX 580
Manufacturer AMD AMD
Year December 2019 April 2017
Code Name Navi 14 XTX Polaris 20
Memory 8192 MB 8192 MB
Core Speed 1717 MHz 1257 MHz
Memory Speed 1750 GB/s 8000 MHz
Power (Max TDP) 130 watts 185 watts
Bandwidth 229376 MB/sec 262144 MB/sec
Texel Rate 151096 Mtexels/sec 181008 Mtexels/sec
Pixel Rate 54944 Mpixels/sec 40224 Mpixels/sec
Unified Shaders 1408 2304
Texture Mapping Units 88 144
Render Output Units 32 32
Bus Type GDDR6 GDDR5
Bus Width 128-bit 256-bit
Fab Process 7 nm 14 nm
Transistors 6400 million 5700 million
Bus PCIe 4.0 ×16 PCIe 3.0 x16
DirectX Version DirectX 12 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface in a second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. 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 number of texture map elements (texels) that can be applied in one second. This is calculated by multiplying the total number of 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 most pixels the video card could possibly write to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon RX 5500 XT

Amazon.com

Check prices at:

Radeon RX 580

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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