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Radeon RX 480 vs Radeon RX 580

Intro

The Radeon RX 480 has a GPU core speed of 1120 MHz, and the 8192 MB of GDDR5 RAM is set to run at 2000 MHz through a 256-bit bus. It also is comprised of 2304 SPUs, 144 Texture Address Units, and 32 ROPs.

Compare those specifications to the Radeon RX 580, which comes with core speeds of 1257 MHz on the GPU, and 2000 MHz on the 8192 MB of GDDR5 memory. It features 2304 SPUs as well as 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.

3DMark Fire Strike Graphics Score

Radeon RX 580 13630 points
Radeon RX 480 13349 points
Difference: 281 (2%)

Zcash Mining Hash Rate

Radeon RX 580 315 Sol/s
Radeon RX 480 280 Sol/s
Difference: 35 (13%)

Ethereum Mining Hash Rate

Radeon RX 580 28 Mh/s
Radeon RX 480 27 Mh/s
Difference: 1 (4%)

Monero Mining Hash Rate

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

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

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

Memory Bandwidth

Both cards have the exact same bandwidth, so theoretically they should perform the same. (explain)

Texel Rate

The Radeon RX 580 is a bit (more or less 12%) better at AF than the Radeon RX 480. (explain)

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

Pixel Rate

The Radeon RX 580 is a bit (about 12%) faster with regards to FSAA than the Radeon RX 480, and should be capable of handling higher resolutions while still performing well. (explain)

Radeon RX 580 40224 Mpixels/sec
Radeon RX 480 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

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 Radeon RX 580
Manufacturer AMD AMD
Year June 2016 April 2017
Code Name Polaris 10 Polaris 20
Memory 8192 MB 8192 MB
Core Speed 1120 MHz 1257 MHz
Memory Speed 8000 MHz 8000 MHz
Power (Max TDP) 150 watts 185 watts
Bandwidth 262144 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: Memory bandwidth is the max amount of information (measured in megabytes per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory speed. If it uses DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher 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 can be applied in one second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core 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 rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

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Radeon RX 480

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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