GeForce 8800 GT 512MB vs GeForce GTX 1080

Intro

Compare that to the GeForce GTX 1080, which makes use of a 16 nm design. nVidia has set the core speed at 1607 MHz. The GDDR5X RAM runs at a frequency of 1251 MHz on this particular model. It features 2560 SPUs as well as 160 TAUs and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8800 GT 512MB		105 Watts
GeForce GTX 1080		180 Watts
	Difference: 75 Watts (71%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1080 is 469% faster than the GeForce 8800 GT 512MB overall, because of its higher data rate. (explain)

GeForce GTX 1080		327680 MB/sec
GeForce 8800 GT 512MB		57600 MB/sec
	Difference: 270080 (469%)

Texel Rate

The GeForce GTX 1080 is much (more or less 665%) more effective at texture filtering than the GeForce 8800 GT 512MB. (explain)

GeForce GTX 1080		257120 Mtexels/sec
GeForce 8800 GT 512MB		33600 Mtexels/sec
	Difference: 223520 (665%)

Pixel Rate

The GeForce GTX 1080 will be much (approximately 971%) more effective at AA than the GeForce 8800 GT 512MB, and will be able to handle higher screen resolutions better. (explain)

GeForce GTX 1080		102848 Mpixels/sec
GeForce 8800 GT 512MB		9600 Mpixels/sec
	Difference: 93248 (971%)

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 max amount of information (counted in megabytes per second) that can be moved across the external memory interface within a second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 are processed per second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.