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GeForce GTX 580 3GB vs Radeon RX 480 4GB

Intro

The GeForce GTX 580 3GB uses a 40 nm design. nVidia has set the core speed at 772 MHz. The GDDR5 RAM is set to run at a frequency of 1002 MHz on this model. It features 512 SPUs along with 64 Texture Address Units and 48 Rasterization Operator Units.

Compare those specifications to the Radeon RX 480 4GB, which comes with GPU 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 comprised of 2304 Stream Processors, 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
GeForce GTX 580 3GB 244 Watts
Difference: 94 Watts (63%)

Memory Bandwidth

In theory, the Radeon RX 480 4GB should perform a little 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 quite a bit (approximately 226%) faster with regards to AF 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 a small bit (more or less 3%) better at FSAA than the Radeon RX 480 4GB, and also capable of handling higher screen resolutions while still performing well. (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: Memory bandwidth is the largest amount of information (measured in MB per second) that can be transported over the external memory interface within a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better 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 of the card by the core clock speed of the chip. The better this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max 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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