GeForce 8800 GTS (G92) vs GeForce GTX 660 Ti

Intro

Compare those specs to the GeForce GTX 660 Ti, which has clock speeds of 915 MHz on the GPU, and 1500 MHz on the 2048 MB of GDDR5 RAM. It features 1344 SPUs along with 112 Texture Address Units and 24 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G92)		135 Watts
GeForce GTX 660 Ti		150 Watts
	Difference: 15 Watts (11%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 660 Ti should be much faster than the GeForce 8800 GTS (G92) in general. (explain)

GeForce GTX 660 Ti		144000 MB/sec
GeForce 8800 GTS (G92)		62080 MB/sec
	Difference: 81920 (132%)

Texel Rate

The GeForce GTX 660 Ti should be quite a bit (more or less 146%) better at texture filtering than the GeForce 8800 GTS (G92). (explain)

GeForce GTX 660 Ti		102480 Mtexels/sec
GeForce 8800 GTS (G92)		41600 Mtexels/sec
	Difference: 60880 (146%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX 660 Ti is superior to the GeForce 8800 GTS (G92), by far. (explain)

GeForce GTX 660 Ti		21960 Mpixels/sec
GeForce 8800 GTS (G92)		10400 Mpixels/sec
	Difference: 11560 (111%)

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 maximum amount of information (counted in megabytes per second) that can be transported past the external memory interface in one second. It's calculated by multiplying the bus width by the speed of its memory. In the case of DDR type memory, it must be multiplied by 2 once 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 anti-aliasing, HDR and higher screen resolutions.

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

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