GeForce 810M vs GeForce GTX 260 Core 216

Intro

Compare that to the GeForce GTX 260 Core 216, which makes use of a 65 nm design. nVidia has clocked the core frequency at 576 MHz. The GDDR3 memory works at a speed of 999 MHz on this particular model. It features 216 SPUs along with 72 Texture Address Units and 28 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
GeForce GTX 260 Core 216		202 Watts
	Difference: 187 Watts (1247%)

Memory Bandwidth

Performance-wise, the GeForce GTX 260 Core 216 should theoretically be a lot better than the GeForce 810M overall. (explain)

GeForce GTX 260 Core 216		111888 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 97488 (677%)

Texel Rate

The GeForce GTX 260 Core 216 will be quite a bit (about 602%) more effective at texture filtering than the GeForce 810M. (explain)

GeForce GTX 260 Core 216		41472 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 35568 (602%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 260 Core 216 is superior to the GeForce 810M, by a large margin. (explain)

GeForce GTX 260 Core 216		16128 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 13176 (446%)

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 data (counted in MB per second) that can be transferred over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory clock speed. If it uses DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 texture map elements (texels) that are applied per second. This is calculated by multiplying the total amount of texture units of the card by the core clock 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 processed per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.