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Radeon RX 580 vs Radeon RX 590

Intro

The Radeon RX 580 makes use of a 14 nm design. AMD has clocked the core frequency at 1257 MHz. The GDDR5 memory runs at a speed of 2000 MHz on this model. It features 2304 SPUs along with 144 Texture Address Units and 32 Rasterization Operator Units.

Compare all that to the Radeon RX 590, which comes with GPU clock speed of 1469 MHz, and 8192 MB of GDDR5 RAM set to run at 2000 MHz through a 256-bit bus. It also is made up of 2304 Stream Processors, 144 Texture Address Units, and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 590 175 Watts
Radeon RX 580 185 Watts
Difference: 10 Watts (6%)

Memory Bandwidth

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

Texel Rate

The Radeon RX 590 is a small bit (more or less 17%) more effective at texture filtering than the Radeon RX 580. (explain)

Radeon RX 590 211536 Mtexels/sec
Radeon RX 580 181008 Mtexels/sec
Difference: 30528 (17%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 590 is superior to the Radeon RX 580, but it probably won't make a huge difference. (explain)

Radeon RX 590 47008 Mpixels/sec
Radeon RX 580 40224 Mpixels/sec
Difference: 6784 (17%)

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 580

Amazon.com

Check prices at:

Radeon RX 590

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 580 Radeon RX 590
Manufacturer AMD AMD
Year April 2017 November 2018
Code Name Polaris 20 Polaris 30
Memory 8192 MB 8192 MB
Core Speed 1257 MHz 1469 MHz
Memory Speed 8000 MHz 8000 MHz
Power (Max TDP) 185 watts 175 watts
Bandwidth 262144 MB/sec 262144 MB/sec
Texel Rate 181008 Mtexels/sec 211536 Mtexels/sec
Pixel Rate 40224 Mpixels/sec 47008 Mpixels/sec
Unified Shaders 2304 2304
Texture Mapping Units 144 144
Render Output Units 32 32
Bus Type GDDR5 GDDR5
Bus Width 256-bit 256-bit
Fab Process 14 nm 12 nm
Transistors 5700 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 max amount of information (measured in MB per second) that can be transferred past the external memory interface in one second. The number is calculated by multiplying the interface width by the speed of its memory. If it uses DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is calculated 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 video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

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Radeon RX 580

Amazon.com

Check prices at:

Radeon RX 590

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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