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Radeon RX 480 4GB vs Radeon RX 580

Intro

The Radeon RX 480 4GB has a clock speed of 1120 MHz and a GDDR5 memory speed of 1750 MHz. It also uses a 256-bit memory bus, and makes use of a 14 nm design. It is comprised of 2304 SPUs, 144 Texture Address Units, and 32 ROPs.

Compare those specs to the Radeon RX 580, which has GPU clock speed of 1257 MHz, and 8192 MB of GDDR5 RAM set to run at 2000 MHz through a 256-bit bus. It also is comprised of 2304 Stream Processors, 144 Texture Address Units, and 32 ROPs.

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

Zcash Mining Hash Rate

Radeon RX 580 315 Sol/s
Radeon RX 480 4GB 267 Sol/s
Difference: 48 (18%)

Ethereum Mining Hash Rate

Radeon RX 580 28 Mh/s
Radeon RX 480 4GB 25 Mh/s
Difference: 3 (12%)

Monero Mining Hash Rate

Radeon RX 480 4GB 800 h/s
Radeon RX 580 650 h/s
Difference: 150 (23%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB 150 Watts
Radeon RX 580 185 Watts
Difference: 35 Watts (23%)

Memory Bandwidth

Theoretically, the Radeon RX 580 should perform just a bit faster than the Radeon RX 480 4GB overall. (explain)

Radeon RX 580 262144 MB/sec
Radeon RX 480 4GB 229376 MB/sec
Difference: 32768 (14%)

Texel Rate

The Radeon RX 580 will be a bit (about 12%) faster with regards to anisotropic filtering than the Radeon RX 480 4GB. (explain)

Radeon RX 580 181008 Mtexels/sec
Radeon RX 480 4GB 161280 Mtexels/sec
Difference: 19728 (12%)

Pixel Rate

The Radeon RX 580 will be a bit (about 12%) more effective at anti-aliasing than the Radeon RX 480 4GB, and also will be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon RX 580 40224 Mpixels/sec
Radeon RX 480 4GB 35840 Mpixels/sec
Difference: 4384 (12%)

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

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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 480 4GB Radeon RX 580
Manufacturer AMD AMD
Year June 2016 April 2017
Code Name Polaris 10 Polaris 20
Memory 4096 MB 8192 MB
Core Speed 1120 MHz 1257 MHz
Memory Speed 7000 MHz 8000 MHz
Power (Max TDP) 150 watts 185 watts
Bandwidth 229376 MB/sec 262144 MB/sec
Texel Rate 161280 Mtexels/sec 181008 Mtexels/sec
Pixel Rate 35840 Mpixels/sec 40224 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 14 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 largest amount of information (measured in megabytes per second) that can be transported over the external memory interface in a second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number 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 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 maximum amount of pixels the video card could possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. 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 output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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Radeon RX 480 4GB

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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