GeForce 8800 GTS (G92) vs GeForce GTX 950M

Intro

Compare all that to the GeForce GTX 950M, which uses a 28 nm design. nVidia has set the core frequency at 914 MHz. The DDR3 RAM works at a frequency of 1000 MHz on this particular model. It features 640 SPUs as well as 40 Texture Address Units and 16 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 950M		55 Watts
GeForce 8800 GTS (G92)		135 Watts
	Difference: 80 Watts (145%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GTS (G92) will be 94% faster than the GeForce GTX 950M overall, because of its greater bandwidth. (explain)

GeForce 8800 GTS (G92)		62080 MB/sec
GeForce GTX 950M		32000 MB/sec
	Difference: 30080 (94%)

Texel Rate

The GeForce 8800 GTS (G92) is a bit (about 14%) faster with regards to texture filtering than the GeForce GTX 950M. (explain)

GeForce 8800 GTS (G92)		41600 Mtexels/sec
GeForce GTX 950M		36560 Mtexels/sec
	Difference: 5040 (14%)

Pixel Rate

The GeForce GTX 950M will be a lot (approximately 41%) better at AA than the GeForce 8800 GTS (G92), and will be able to handle higher screen resolutions better. (explain)

GeForce GTX 950M		14624 Mpixels/sec
GeForce 8800 GTS (G92)		10400 Mpixels/sec
	Difference: 4224 (41%)

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: Bandwidth is the maximum amount of information (measured in MB per second) that can be transported over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. In the case of 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 faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This is worked out by multiplying the total amount 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 in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics chip could possibly record to its local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the number of colour ROPs 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 ability to get to the maximum fill rate.