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Radeon RX 480 4GB vs Radeon RX 590

Intro

The Radeon RX 480 4GB features clock speeds of 1120 MHz on the GPU, and 1750 MHz on the 4096 MB of GDDR5 RAM. It features 2304 SPUs as well as 144 Texture Address Units and 32 Rasterization Operator Units.

Compare those specs to the Radeon RX 590, which features GPU clock speed of 1469 MHz, and 8192 MB of GDDR5 RAM running at 2000 MHz through a 256-bit bus. It also features 2304 SPUs, 144 Texture Address Units, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB 150 Watts
Radeon RX 590 175 Watts
Difference: 25 Watts (17%)

Memory Bandwidth

The Radeon RX 590, in theory, should be a small bit faster than the Radeon RX 480 4GB in general. (explain)

Radeon RX 590 262144 MB/sec
Radeon RX 480 4GB 229376 MB/sec
Difference: 32768 (14%)

Texel Rate

The Radeon RX 590 will be a lot (about 31%) better at texture filtering than the Radeon RX 480 4GB. (explain)

Radeon RX 590 211536 Mtexels/sec
Radeon RX 480 4GB 161280 Mtexels/sec
Difference: 50256 (31%)

Pixel Rate

The Radeon RX 590 is a lot (more or less 31%) better at full screen anti-aliasing than the Radeon RX 480 4GB, and also able to handle higher resolutions without slowing down too much. (explain)

Radeon RX 590 47008 Mpixels/sec
Radeon RX 480 4GB 35840 Mpixels/sec
Difference: 11168 (31%)

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 480 4GB

Amazon.com

Radeon RX 590

Amazon.com

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 480 4GB Radeon RX 590
Manufacturer AMD AMD
Year June 2016 November 2018
Code Name Polaris 10 Polaris 30
Memory 4096 MB 8192 MB
Core Speed 1120 MHz 1469 MHz
Memory Speed 7000 MHz 8000 MHz
Power (Max TDP) 150 watts 175 watts
Bandwidth 229376 MB/sec 262144 MB/sec
Texel Rate 161280 Mtexels/sec 211536 Mtexels/sec
Pixel Rate 35840 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: Memory bandwidth is the maximum amount of information (counted in megabytes per second) that can be transported over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are 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 this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the video card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

Radeon RX 480 4GB

Amazon.com

Radeon RX 590

Amazon.com

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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