GeForce GTX 560 Ti vs Radeon HD 5970

Intro

Compare those specs to the Radeon HD 5970, which has GPU clock speed of 725 MHz, and 1024 MB of GDDR5 memory running at 1000 MHz through a 256-bit bus. It also features 1600 Stream Processors, 160 Texture Address Units, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti		170 Watts
Radeon HD 5970		294 Watts
	Difference: 124 Watts (73%)

Memory Bandwidth

As far as performance goes, the Radeon HD 5970 should theoretically be much better than the GeForce GTX 560 Ti overall. (explain)

Radeon HD 5970		256000 MB/sec
GeForce GTX 560 Ti		128256 MB/sec
	Difference: 127744 (100%)

Texel Rate

The Radeon HD 5970 is quite a bit (about 341%) more effective at AF than the GeForce GTX 560 Ti. (explain)

Radeon HD 5970		232000 Mtexels/sec
GeForce GTX 560 Ti		52608 Mtexels/sec
	Difference: 179392 (341%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon HD 5970 is superior to the GeForce GTX 560 Ti, by a large margin. (explain)

Radeon HD 5970		92800 Mpixels/sec
GeForce GTX 560 Ti		26304 Mpixels/sec
	Difference: 66496 (253%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Memory bandwidth is the max amount of information (measured in MB per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record 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 sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.