GeForce 8800 GS vs GeForce GTX 965M

Intro

Compare that to the GeForce GTX 965M, which has a core clock frequency of 944 MHz and a GDDR5 memory speed of 1000 MHz. It also features a 128-bit bus, and uses a 28 nm design. It is comprised of 1024 SPUs, 64 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 965M		60 Watts
GeForce 8800 GS		105 Watts
	Difference: 45 Watts (75%)

Memory Bandwidth

Performance-wise, the GeForce GTX 965M should theoretically be quite a bit better than the GeForce 8800 GS overall. (explain)

GeForce GTX 965M		64000 MB/sec
GeForce 8800 GS		38400 MB/sec
	Difference: 25600 (67%)

Texel Rate

The GeForce GTX 965M will be quite a bit (more or less 129%) better at texture filtering than the GeForce 8800 GS. (explain)

GeForce GTX 965M		60416 Mtexels/sec
GeForce 8800 GS		26400 Mtexels/sec
	Difference: 34016 (129%)

Pixel Rate

If running with a high screen resolution is important to you, then the GeForce GTX 965M is the winner, and very much so. (explain)

GeForce GTX 965M		30208 Mpixels/sec
GeForce 8800 GS		6600 Mpixels/sec
	Difference: 23608 (358%)

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 largest amount of data (measured in MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, 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 processed in one second. This is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.