GeForce 8600 GT 512MB DDR2 vs GeForce GTX Titan

Intro

Compare those specs to the GeForce GTX Titan, which comes with clock speeds of 837 MHz on the GPU, and 1502 MHz on the 6144 MB of GDDR5 memory. It features 2688 SPUs as well as 224 TAUs and 48 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 512MB DDR2		47 Watts
GeForce GTX Titan		250 Watts
	Difference: 203 Watts (432%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX Titan should be 2153% quicker than the GeForce 8600 GT 512MB DDR2 in general, because of its higher bandwidth. (explain)

GeForce GTX Titan		288384 MB/sec
GeForce 8600 GT 512MB DDR2		12800 MB/sec
	Difference: 275584 (2153%)

Texel Rate

The GeForce GTX Titan should be quite a bit (approximately 2070%) better at texture filtering than the GeForce 8600 GT 512MB DDR2. (explain)

GeForce GTX Titan		187488 Mtexels/sec
GeForce 8600 GT 512MB DDR2		8640 Mtexels/sec
	Difference: 178848 (2070%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX Titan is superior to the GeForce 8600 GT 512MB DDR2, and very much so. (explain)

GeForce GTX Titan		40176 Mpixels/sec
GeForce 8600 GT 512MB DDR2		4320 Mpixels/sec
	Difference: 35856 (830%)

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 largest amount of data (in units of MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory clock speed. In the case of DDR type memory, the result should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better 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 texture map elements (texels) that can be processed per second. This number is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, 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 the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.