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Radeon RX 5500 XT vs Radeon RX 580

Intro

The Radeon RX 5500 XT has a core clock speed of 1717 MHz and a GDDR6 memory frequency of 1750 MHz. It also makes use of a 128-bit bus, and uses a 7 nm design. It features 1408 SPUs, 88 Texture Address Units, and 32 Raster Operation Units.

Compare those specifications to the Radeon RX 580, which has clock speeds of 1257 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 memory. It features 2304 SPUs along with 144 TAUs and 32 Rasterization Operator Units.

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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 should in theory perform a small 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 is a small bit (about 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

The Radeon RX 5500 XT will be much (approximately 37%) better at AA than the Radeon RX 580, and should be able to handle higher screen resolutions without losing too much performance. (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

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Radeon RX 580

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 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: Memory bandwidth is the maximum amount of data (counted in megabytes per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the card's bus width by the speed of its memory. If the card has DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be applied per second. This is worked out by multiplying the total texture units by the core clock speed of the chip. The better this number, the better the card will be at handling 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 the video card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core 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 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 ability to reach the max 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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