GeForce GTX 260 216SP 55 nm vs GeForce GTX 560 Ti

Intro

Compare all of that to the GeForce GTX 560 Ti, which comes with GPU core speed of 822 MHz, and 1024 MB of GDDR5 memory set to run at 1002 MHz through a 256-bit bus. It also is made up of 384 SPUs, 64 TAUs, and 32 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 560 Ti		170 Watts
GeForce GTX 260 216SP 55 nm		171 Watts
	Difference: 1 Watts (1%)

Memory Bandwidth

Theoretically, the GeForce GTX 560 Ti should be just a bit faster than the GeForce GTX 260 216SP 55 nm overall. (explain)

GeForce GTX 560 Ti		128256 MB/sec
GeForce GTX 260 216SP 55 nm		111888 MB/sec
	Difference: 16368 (15%)

Texel Rate

The GeForce GTX 560 Ti will be a lot (more or less 27%) more effective at anisotropic filtering than the GeForce GTX 260 216SP 55 nm. (explain)

GeForce GTX 560 Ti		52608 Mtexels/sec
GeForce GTX 260 216SP 55 nm		41472 Mtexels/sec
	Difference: 11136 (27%)

Pixel Rate

The GeForce GTX 560 Ti will be a lot (more or less 63%) faster with regards to anti-aliasing than the GeForce GTX 260 216SP 55 nm, and able to handle higher resolutions more effectively. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
GeForce GTX 260 216SP 55 nm		16128 Mpixels/sec
	Difference: 10176 (63%)

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: Bandwidth is the max amount of data (in units of megabytes per second) that can be moved past the external memory interface within a second. It is worked out by multiplying the bus width by the speed of its memory. In the case of DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core 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 fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.