GeForce GTX 460 2GB vs GeForce GTX 560 Ti 448

Intro

Compare all that to the GeForce GTX 560 Ti 448, which comes with core speeds of 732 MHz on the GPU, and 900 MHz on the 1280 MB of GDDR5 RAM. It features 448 SPUs as well as 56 Texture Address Units and 40 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 2GB		160 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 50 Watts (31%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 560 Ti 448 should theoretically be quite a bit superior to the GeForce GTX 460 2GB in general. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
GeForce GTX 460 2GB		115200 MB/sec
	Difference: 28800 (25%)

Texel Rate

The GeForce GTX 560 Ti 448 is a bit (more or less 8%) faster with regards to anisotropic filtering than the GeForce GTX 460 2GB. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
GeForce GTX 460 2GB		37800 Mtexels/sec
	Difference: 3192 (8%)

Pixel Rate

The GeForce GTX 560 Ti 448 is much (more or less 36%) faster with regards to anti-aliasing than the GeForce GTX 460 2GB, and also able to handle higher resolutions better. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
GeForce GTX 460 2GB		21600 Mpixels/sec
	Difference: 7680 (36%)

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 transferred over the external memory interface in a second. It is calculated by multiplying the bus width by its memory clock speed. In the case of DDR type memory, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher 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 texture map elements (texels) that can be applied per second. This number 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 graphics 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 could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of Render Output Units 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 - the lower the bandwidth is, the lower the ability to reach the max fill rate.