GeForce GTX 580 3GB vs Geforce GTX 760

Intro

Compare those specifications to the Geforce GTX 760, which makes use of a 28 nm design. nVidia has set the core frequency at 980 MHz. The GDDR5 RAM runs at a speed of 1502 MHz on this particular model. It features 1152 SPUs along with 96 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Geforce GTX 760		170 Watts
GeForce GTX 580 3GB		244 Watts
	Difference: 74 Watts (44%)

Memory Bandwidth

The GeForce GTX 580 3GB should in theory be a little bit faster than the Geforce GTX 760 overall. (explain)

GeForce GTX 580 3GB		192384 MB/sec
Geforce GTX 760		192256 MB/sec
	Difference: 128 (0%)

Texel Rate

The Geforce GTX 760 should be quite a bit (about 90%) better at AF than the GeForce GTX 580 3GB. (explain)

Geforce GTX 760		94080 Mtexels/sec
GeForce GTX 580 3GB		49408 Mtexels/sec
	Difference: 44672 (90%)

Pixel Rate

The GeForce GTX 580 3GB will be a small bit (about 18%) faster with regards to AA than the Geforce GTX 760, and also should be able to handle higher screen resolutions better. (explain)

GeForce GTX 580 3GB		37056 Mpixels/sec
Geforce GTX 760		31360 Mpixels/sec
	Difference: 5696 (18%)

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 maximum amount of information (counted in MB per second) that can be moved across the external memory interface in one second. It is worked out by multiplying the bus width by its memory speed. In the case of DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the video 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 amount of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.