GeForce 8800 GT 512MB vs GeForce GTX 860M

Intro

Compare those specs to the GeForce GTX 860M, which has core speeds of 797 MHz on the GPU, and 1000 MHz on the 4096 MB of GDDR5 memory. It features 1152 SPUs as well as 96 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 860M		45 Watts
GeForce 8800 GT 512MB		105 Watts
	Difference: 60 Watts (133%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 860M should theoretically be a small bit superior to the GeForce 8800 GT 512MB in general. (explain)

GeForce GTX 860M		64000 MB/sec
GeForce 8800 GT 512MB		57600 MB/sec
	Difference: 6400 (11%)

Texel Rate

The GeForce GTX 860M will be quite a bit (approximately 128%) better at AF than the GeForce 8800 GT 512MB. (explain)

GeForce GTX 860M		76512 Mtexels/sec
GeForce 8800 GT 512MB		33600 Mtexels/sec
	Difference: 42912 (128%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the GeForce GTX 860M is superior to the GeForce 8800 GT 512MB, and very much so. (explain)

GeForce GTX 860M		12752 Mpixels/sec
GeForce 8800 GT 512MB		9600 Mpixels/sec
	Difference: 3152 (33%)

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 maximum amount of information (counted in MB per second) that can be moved across the external memory interface in one second. It is calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, the result should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the core speed of the card. 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 rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.