GeForce GTX 260 Core 216 vs GeForce GTX 560 Ti

Intro

Compare that to the GeForce GTX 560 Ti, which has a core clock speed of 822 MHz and a GDDR5 memory speed of 1002 MHz. It also features a 256-bit memory bus, and uses a 40 nm design. It is made up of 384 SPUs, 64 Texture Address Units, 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 Core 216		202 Watts
	Difference: 32 Watts (19%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti should be 15% faster than the GeForce GTX 260 Core 216 overall, because of its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 560 Ti should be quite a bit (about 27%) better at texture filtering than the GeForce GTX 260 Core 216. (explain)

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

Pixel Rate

The GeForce GTX 560 Ti should be quite a bit (about 63%) better at FSAA than the GeForce GTX 260 Core 216, and should be capable of handling higher screen resolutions better. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
GeForce GTX 260 Core 216		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: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. If it uses DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.