GeForce 810M vs GeForce GTX 285 1GB

Intro

Compare those specs to the GeForce GTX 285 1GB, which makes use of a 55 nm design. nVidia has clocked the core speed at 648 MHz. The GDDR3 memory runs at a frequency of 1242 MHz on this model. It features 240 SPUs as well as 80 TAUs and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
GeForce GTX 285 1GB		204 Watts
	Difference: 189 Watts (1260%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 285 1GB should be 1004% quicker than the GeForce 810M in general, due to its greater data rate. (explain)

GeForce GTX 285 1GB		158976 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 144576 (1004%)

Texel Rate

The GeForce GTX 285 1GB should be quite a bit (approximately 778%) better at anisotropic filtering than the GeForce 810M. (explain)

GeForce GTX 285 1GB		51840 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 45936 (778%)

Pixel Rate

If using a high resolution is important to you, then the GeForce GTX 285 1GB is a better choice, and very much so. (explain)

GeForce GTX 285 1GB		20736 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 17784 (602%)

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 data (measured in megabytes 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 the speed of its memory. If it uses DDR memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be processed per second. This is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better the texel rate, the better the graphics 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 number of pixels that the graphics card could possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.