GeForce GTX 560 Ti vs GeForce GTX 650 Ti 2GB

Intro

Compare those specifications to the GeForce GTX 650 Ti 2GB, which features a core clock frequency of 928 MHz and a GDDR5 memory speed of 1350 MHz. It also makes use of a 128-bit memory bus, and uses a 28 nm design. It is made up of 768 SPUs, 64 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 650 Ti 2GB		110 Watts
GeForce GTX 560 Ti		170 Watts
	Difference: 60 Watts (55%)

Memory Bandwidth

The GeForce GTX 560 Ti, in theory, should be much faster than the GeForce GTX 650 Ti 2GB in general. (explain)

GeForce GTX 560 Ti		128256 MB/sec
GeForce GTX 650 Ti 2GB		86400 MB/sec
	Difference: 41856 (48%)

Texel Rate

The GeForce GTX 650 Ti 2GB should be just a bit (more or less 13%) better at anisotropic filtering than the GeForce GTX 560 Ti. (explain)

GeForce GTX 650 Ti 2GB		59392 Mtexels/sec
GeForce GTX 560 Ti		52608 Mtexels/sec
	Difference: 6784 (13%)

Pixel Rate

The GeForce GTX 560 Ti is much (more or less 77%) faster with regards to FSAA than the GeForce GTX 650 Ti 2GB, and able to handle higher resolutions more effectively. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
GeForce GTX 650 Ti 2GB		14848 Mpixels/sec
	Difference: 11456 (77%)

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 max amount of data (counted in MB per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, 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 can be applied in one second. This is calculated by multiplying the total number of texture units by the core clock 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 amount of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.