GeForce 8600 GT 1GB GDDR3 vs GeForce GTX Titan

Intro

Compare those specifications to the GeForce GTX Titan, which comes with a clock frequency of 837 MHz and a GDDR5 memory speed of 1502 MHz. It also features a 384-bit memory bus, and makes use of a 28 nm design. It is made up of 2688 SPUs, 224 Texture Address Units, and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 8600 GT 1GB GDDR3		47 Watts
GeForce GTX Titan		250 Watts
	Difference: 203 Watts (432%)

Memory Bandwidth

The GeForce GTX Titan should theoretically be a lot faster than the GeForce 8600 GT 1GB GDDR3 in general. (explain)

GeForce GTX Titan		288384 MB/sec
GeForce 8600 GT 1GB GDDR3		22400 MB/sec
	Difference: 265984 (1187%)

Texel Rate

The GeForce GTX Titan is a lot (about 2070%) better at texture filtering than the GeForce 8600 GT 1GB GDDR3. (explain)

GeForce GTX Titan		187488 Mtexels/sec
GeForce 8600 GT 1GB GDDR3		8640 Mtexels/sec
	Difference: 178848 (2070%)

Pixel Rate

The GeForce GTX Titan is quite a bit (more or less 830%) better at full screen anti-aliasing than the GeForce 8600 GT 1GB GDDR3, and will be capable of handling higher screen resolutions while still performing well. (explain)

GeForce GTX Titan		40176 Mpixels/sec
GeForce 8600 GT 1GB GDDR3		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 information (measured in MB per second) that can be moved past the external memory interface in a second. It's calculated by multiplying the card's bus width by its memory speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, 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 texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total amount of texture units by the core 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 applied in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.