GeForce 8800 GTS (G80) 320MB vs GeForce GTX Titan Black

Intro

Compare all of that to the GeForce GTX Titan Black, which comes with GPU core speed of 889 MHz, and 6144 MB of GDDR5 memory set to run at 1750 MHz through a 384-bit bus. It also is made up of 2880 Stream Processors, 240 Texture Address Units, and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GTS (G80) 320MB		143 Watts
GeForce GTX Titan Black		250 Watts
	Difference: 107 Watts (75%)

Memory Bandwidth

The GeForce GTX Titan Black, in theory, should perform a lot faster than the GeForce 8800 GTS (G80) 320MB overall. (explain)

GeForce GTX Titan Black		336000 MB/sec
GeForce 8800 GTS (G80) 320MB		63360 MB/sec
	Difference: 272640 (430%)

Texel Rate

The GeForce GTX Titan Black is a lot (about 766%) more effective at texture filtering than the GeForce 8800 GTS (G80) 320MB. (explain)

GeForce GTX Titan Black		213360 Mtexels/sec
GeForce 8800 GTS (G80) 320MB		24624 Mtexels/sec
	Difference: 188736 (766%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce GTX Titan Black is the winner, and very much so. (explain)

GeForce GTX Titan Black		42672 Mpixels/sec
GeForce 8800 GTS (G80) 320MB		10260 Mpixels/sec
	Difference: 32412 (316%)

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 (counted in megabytes per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.