GeForce 810M vs GeForce 8600 GT 1GB GDDR3

Intro

Compare all of that to the GeForce 8600 GT 1GB GDDR3, which comes with a core clock speed of 540 MHz and a GDDR3 memory frequency of 700 MHz. It also uses a 128-bit memory bus, and uses a 80 nm design. It is made up of 32 SPUs, 16 Texture Address Units, and 8 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
GeForce 8600 GT 1GB GDDR3		47 Watts
	Difference: 32 Watts (213%)

Memory Bandwidth

Theoretically speaking, the GeForce 8600 GT 1GB GDDR3 should be 56% faster than the GeForce 810M in general, because of its higher bandwidth. (explain)

GeForce 8600 GT 1GB GDDR3		22400 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 8000 (56%)

Texel Rate

The GeForce 8600 GT 1GB GDDR3 will be quite a bit (about 46%) better at texture filtering than the GeForce 810M. (explain)

GeForce 8600 GT 1GB GDDR3		8640 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 2736 (46%)

Pixel Rate

The GeForce 8600 GT 1GB GDDR3 will be much (more or less 46%) faster with regards to AA than the GeForce 810M, and also should be able to handle higher screen resolutions while still performing well. (explain)

GeForce 8600 GT 1GB 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 maximum amount of information (measured in megabytes per second) that can be transferred past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory clock speed. If the card has DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of Raster Operations Pipelines 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 bandwidth is, the lower the potential to get to the maximum fill rate.