GeForce GTX 580 vs Radeon RX 470 4GB

Intro

Compare that to the Radeon RX 470 4GB, which makes use of a 14 nm design. AMD has set the core frequency at 926 MHz. The GDDR5 memory runs at a frequency of 1650 MHz on this specific model. It features 2048 SPUs along with 128 Texture Address Units and 32 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 470 4GB		120 Watts
GeForce GTX 580		244 Watts
	Difference: 124 Watts (103%)

Memory Bandwidth

Performance-wise, the Radeon RX 470 4GB should in theory be a little bit superior to the GeForce GTX 580 in general. (explain)

Radeon RX 470 4GB		211200 MB/sec
GeForce GTX 580		192384 MB/sec
	Difference: 18816 (10%)

Texel Rate

The Radeon RX 470 4GB will be a lot (about 140%) more effective at anisotropic filtering than the GeForce GTX 580. (explain)

Radeon RX 470 4GB		118528 Mtexels/sec
GeForce GTX 580		49408 Mtexels/sec
	Difference: 69120 (140%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 580 is a better choice, by a large margin. (explain)

GeForce GTX 580		37056 Mpixels/sec
Radeon RX 470 4GB		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

Specifications

Memory Bandwidth: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transported past the external memory interface in a second. The number is calculated by multiplying the interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics chip could possibly record to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.