GeForce 810M vs GeForce 8600 GT 512MB GDDR3

Intro

Compare all of that to the GeForce 8600 GT 512MB GDDR3, which uses a 80 nm design. nVidia has set the core frequency at 540 MHz. The GDDR3 memory works at a frequency of 700 MHz on this specific model. It features 32 SPUs as well as 16 TAUs and 8 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
GeForce 8600 GT 512MB GDDR3		47 Watts
	Difference: 32 Watts (213%)

Memory Bandwidth

The GeForce 8600 GT 512MB GDDR3 should theoretically perform quite a bit faster than the GeForce 810M overall. (explain)

GeForce 8600 GT 512MB GDDR3		22400 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 8000 (56%)

Texel Rate

The GeForce 8600 GT 512MB GDDR3 should be quite a bit (about 46%) more effective at texture filtering than the GeForce 810M. (explain)

GeForce 8600 GT 512MB GDDR3		8640 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 2736 (46%)

Pixel Rate

The GeForce 8600 GT 512MB GDDR3 will be quite a bit (approximately 46%) more effective at full screen anti-aliasing than the GeForce 810M, and also should be capable of handling higher screen resolutions while still performing well. (explain)

GeForce 8600 GT 512MB GDDR3		4320 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 1368 (46%)

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 (measured in MB per second) that can be moved past the external memory interface in a second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR type memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels the video 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 ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.