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GeForce GTX 580 3GB vs Radeon RX 480 4GB

Intro

The GeForce GTX 580 3GB has a clock speed of 772 MHz and a GDDR5 memory speed of 1002 MHz. It also features a 384-bit bus, and makes use of a 40 nm design. It features 512 SPUs, 64 TAUs, and 48 Raster Operation Units.

Compare all that to the Radeon RX 480 4GB, which uses a 14 nm design. AMD has clocked the core speed at 1120 MHz. The GDDR5 RAM is set to run at a frequency of 1750 MHz on this specific model. It features 2304 SPUs as well as 144 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 480 4GB 150 Watts
GeForce GTX 580 3GB 244 Watts
Difference: 94 Watts (63%)

Memory Bandwidth

The Radeon RX 480 4GB should in theory perform a bit faster than the GeForce GTX 580 3GB in general. (explain)

Radeon RX 480 4GB 229376 MB/sec
GeForce GTX 580 3GB 192384 MB/sec
Difference: 36992 (19%)

Texel Rate

The Radeon RX 480 4GB will be a lot (approximately 226%) better at texture filtering than the GeForce GTX 580 3GB. (explain)

Radeon RX 480 4GB 161280 Mtexels/sec
GeForce GTX 580 3GB 49408 Mtexels/sec
Difference: 111872 (226%)

Pixel Rate

The GeForce GTX 580 3GB should be just a bit (more or less 3%) better at anti-aliasing than the Radeon RX 480 4GB, and also will be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 580 3GB 37056 Mpixels/sec
Radeon RX 480 4GB 35840 Mpixels/sec
Difference: 1216 (3%)

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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GeForce GTX 580 3GB

Amazon.com

Radeon RX 480 4GB

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 GeForce GTX 580 3GB Radeon RX 480 4GB
Manufacturer nVidia AMD
Year November 2010 June 2016
Code Name GF110 Polaris 10
Memory 3072 MB 4096 MB
Core Speed 772 MHz 1120 MHz
Memory Speed 4008 MHz 7000 MHz
Power (Max TDP) 244 watts 150 watts
Bandwidth 192384 MB/sec 229376 MB/sec
Texel Rate 49408 Mtexels/sec 161280 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 35840 Mpixels/sec
Unified Shaders 512 2304
Texture Mapping Units 64 144
Render Output Units 48 32
Bus Type GDDR5 GDDR5
Bus Width 384-bit 256-bit
Fab Process 40 nm 14 nm
Transistors 3000 million 5700 million
Bus PCIe x16 PCIe 3.0 x16
DirectX Version DirectX 11 DirectX 12.0
OpenGL Version OpenGL 4.1 OpenGL 4.5

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported across the external memory interface in a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the better 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 can be processed per second. This is worked out by multiplying the total amount of 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 that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 580 3GB

Amazon.com

Radeon RX 480 4GB

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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