GeForce 810M vs Radeon HD 6950 2GB

Intro

Compare all of that to the Radeon HD 6950 2GB, which comes with a clock speed of 800 MHz and a GDDR5 memory frequency of 1250 MHz. It also uses a 256-bit memory bus, and makes use of a 40 nm design. It is made up of 1408 SPUs, 88 TAUs, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 810M		15 Watts
Radeon HD 6950 2GB		200 Watts
	Difference: 185 Watts (1233%)

Memory Bandwidth

In theory, the Radeon HD 6950 2GB should perform a lot faster than the GeForce 810M overall. (explain)

Radeon HD 6950 2GB		160000 MB/sec
GeForce 810M		14400 MB/sec
	Difference: 145600 (1011%)

Texel Rate

The Radeon HD 6950 2GB is a lot (more or less 1092%) more effective at anisotropic filtering than the GeForce 810M. (explain)

Radeon HD 6950 2GB		70400 Mtexels/sec
GeForce 810M		5904 Mtexels/sec
	Difference: 64496 (1092%)

Pixel Rate

The Radeon HD 6950 2GB will be much (about 767%) better at FSAA than the GeForce 810M, and also will be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon HD 6950 2GB		25600 Mpixels/sec
GeForce 810M		2952 Mpixels/sec
	Difference: 22648 (767%)

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 megabytes per second) that can be transferred across the external memory interface within a second. The number is calculated by multiplying the bus width by its memory clock speed. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, the faster 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 number of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total number of texture units by the core clock 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 amount of pixels that the graphics chip can possibly write to its local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the card's clock speed. 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 lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.