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GeForce GTX 580 vs Radeon RX 470

Intro

The GeForce GTX 580 makes use of a 40 nm design. nVidia has clocked the core frequency at 772 MHz. The GDDR5 memory runs at a speed of 1002 MHz on this specific model. It features 512 SPUs along with 64 Texture Address Units and 48 ROPs.

Compare those specs to the Radeon RX 470, which comes with GPU core speed of 926 MHz, and 8192 MB of GDDR5 RAM set to run at 1650 MHz through a 256-bit bus. It also is comprised of 2048 SPUs, 128 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 120 Watts
GeForce GTX 580 244 Watts
Difference: 124 Watts (103%)

Memory Bandwidth

In theory, the Radeon RX 470 will be 10% quicker than the GeForce GTX 580 in general, due to its higher data rate. (explain)

Radeon RX 470 211200 MB/sec
GeForce GTX 580 192384 MB/sec
Difference: 18816 (10%)

Texel Rate

The Radeon RX 470 should be quite a bit (about 140%) better at AF than the GeForce GTX 580. (explain)

Radeon RX 470 118528 Mtexels/sec
GeForce GTX 580 49408 Mtexels/sec
Difference: 69120 (140%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 580 is the winner, and very much so. (explain)

GeForce GTX 580 37056 Mpixels/sec
Radeon RX 470 29632 Mpixels/sec
Difference: 7424 (25%)

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

Amazon.com

Radeon RX 470

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 Radeon RX 470
Manufacturer nVidia AMD
Year November 2010 August 2016
Code Name GF110 Polaris 10
Memory 1536 MB 8192 MB
Core Speed 772 MHz 926 MHz
Memory Speed 4008 MHz 6600 MHz
Power (Max TDP) 244 watts 120 watts
Bandwidth 192384 MB/sec 211200 MB/sec
Texel Rate 49408 Mtexels/sec 118528 Mtexels/sec
Pixel Rate 37056 Mpixels/sec 29632 Mpixels/sec
Unified Shaders 512 2048
Texture Mapping Units 64 128
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 max amount of data (measured in megabytes per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the card's interface width by its memory clock speed. If the card has DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster 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 texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip 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 ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the max fill rate.

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