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Radeon RX 480 4GB vs Radeon RX 590

Intro

The Radeon RX 480 4GB has 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 TAUs and 32 Rasterization Operator Units.

Compare all that to the Radeon RX 590, which comes with a clock frequency of 1469 MHz and a GDDR5 memory speed of 2000 MHz. It also makes use of a 256-bit memory bus, and uses a 12 nm design. It is comprised of 2304 SPUs, 144 Texture Address Units, and 32 Raster Operation Units.

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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

As far as performance goes, the Radeon RX 590 should in theory be a bit superior to 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 much (about 31%) more effective 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

If using a high screen resolution is important to you, then the Radeon RX 590 is the winner, and very much so. (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

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 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: Bandwidth is the maximum amount of information (counted in MB per second) that can be transferred across the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

Radeon RX 480 4GB

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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