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Radeon RX 480 vs Radeon RX 480 4GB

Intro

The Radeon RX 480 uses a 14 nm design. AMD has set the core speed at 1120 MHz. The GDDR5 RAM works at a frequency of 2000 MHz on this particular model. It features 2304 SPUs along with 144 Texture Address Units and 32 ROPs.

Compare that to the Radeon RX 480 4GB, which comes with a GPU core clock speed of 1120 MHz, and 4096 MB of GDDR5 memory set to run at 1750 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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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 480 280 Sol/s
Radeon RX 480 4GB 267 Sol/s
Difference: 13 (5%)

Ethereum Mining Hash Rate

Radeon RX 480 27 Mh/s
Radeon RX 480 4GB 25 Mh/s
Difference: 2 (8%)

Monero Mining Hash Rate

Radeon RX 480 800 h/s
Radeon RX 480 4GB 800 h/s
Difference: 0 (0%)

Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The Radeon RX 480, in theory, should perform just a bit faster than the Radeon RX 480 4GB overall. (explain)

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

Texel Rate

Both cards have the exact same texel rate, so theoretically they should be equally good at at AF. (explain)

Pixel Rate

Both cards have exactly the same pixel fill rate, so in theory they should perform equally good at at AA, and be capable of handling the same resolutions. (explain)

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 480 4GB

Amazon.com

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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 480 4GB
Manufacturer AMD AMD
Year June 2016 June 2016
Code Name Polaris 10 Polaris 10
Memory 8192 MB 4096 MB
Core Speed 1120 MHz 1120 MHz
Memory Speed 8000 MHz 7000 MHz
Power (Max TDP) 150 watts 150 watts
Bandwidth 262144 MB/sec 229376 MB/sec
Texel Rate 161280 Mtexels/sec 161280 Mtexels/sec
Pixel Rate 35840 Mpixels/sec 35840 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 MB per second) that can be moved past the external memory interface within a second. It is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

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Radeon RX 480

Amazon.com

Check prices at:

Radeon RX 480 4GB

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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