GeForce 8600 GT 512MB DDR2 vs Nvidia Titan X

Intro

Compare those specifications to the Nvidia Titan X, which makes use of a 16 nm design. nVidia has set the core frequency at 1417 MHz. The GDDR5X memory is set to run at a frequency of 1251 MHz on this specific model. It features 3584 SPUs as well as 224 TAUs and 96 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
Nvidia Titan X		250 Watts
	Difference: 203 Watts (432%)

Memory Bandwidth

Performance-wise, the Nvidia Titan X should theoretically be quite a bit better than the GeForce 8600 GT 512MB DDR2 overall. (explain)

Nvidia Titan X		491520 MB/sec
GeForce 8600 GT 512MB DDR2		12800 MB/sec
	Difference: 478720 (3740%)

Texel Rate

The Nvidia Titan X should be a lot (more or less 3574%) better at AF than the GeForce 8600 GT 512MB DDR2. (explain)

Nvidia Titan X		317408 Mtexels/sec
GeForce 8600 GT 512MB DDR2		8640 Mtexels/sec
	Difference: 308768 (3574%)

Pixel Rate

The Nvidia Titan X will be a lot (approximately 3049%) better at full screen anti-aliasing than the GeForce 8600 GT 512MB DDR2, and capable of handling higher resolutions without losing too much performance. (explain)

Nvidia Titan X		136032 Mpixels/sec
GeForce 8600 GT 512MB DDR2		4320 Mpixels/sec
	Difference: 131712 (3049%)

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 MB per second) that can be transported across the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR RAM, the result should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. 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 number of texture map elements (texels) that can be processed in one second. This figure is worked out by multiplying the total texture units by the core clock speed of the chip. The higher the texel rate, 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 maximum amount of pixels the graphics card can possibly record to the 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 core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill 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 get to the maximum fill rate.