GeForce GTX 460 1GB vs GeForce GTX 560 Ti 448

Intro

Compare all that to the GeForce GTX 560 Ti 448, which has a core clock frequency of 732 MHz and a GDDR5 memory frequency of 900 MHz. It also uses a 320-bit memory bus, and makes use of a 40 nm design. It is made up of 448 SPUs, 56 Texture Address Units, and 40 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 460 1GB		160 Watts
GeForce GTX 560 Ti 448		210 Watts
	Difference: 50 Watts (31%)

Memory Bandwidth

Performance-wise, the GeForce GTX 560 Ti 448 should theoretically be much superior to the GeForce GTX 460 1GB overall. (explain)

GeForce GTX 560 Ti 448		144000 MB/sec
GeForce GTX 460 1GB		115200 MB/sec
	Difference: 28800 (25%)

Texel Rate

The GeForce GTX 560 Ti 448 will be just a bit (about 8%) more effective at anisotropic filtering than the GeForce GTX 460 1GB. (explain)

GeForce GTX 560 Ti 448		40992 Mtexels/sec
GeForce GTX 460 1GB		37800 Mtexels/sec
	Difference: 3192 (8%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 560 Ti 448 is a better choice, by a large margin. (explain)

GeForce GTX 560 Ti 448		29280 Mpixels/sec
GeForce GTX 460 1GB		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 information (measured in megabytes per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the interface width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 are processed per second. This figure is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at handling 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 the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.