GeForce 8800 GT 1GB vs GeForce GTX 950M

Intro

Compare those specs to the GeForce GTX 950M, which has a core clock frequency of 914 MHz and a DDR3 memory frequency of 1000 MHz. It also uses a 128-bit memory bus, and uses a 28 nm design. It is comprised of 640 SPUs, 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 GT 1GB		105 Watts
	Difference: 50 Watts (91%)

Memory Bandwidth

Theoretically speaking, the GeForce 8800 GT 1GB should perform quite a bit faster than the GeForce GTX 950M in general. (explain)

GeForce 8800 GT 1GB		57600 MB/sec
GeForce GTX 950M		32000 MB/sec
	Difference: 25600 (80%)

Texel Rate

The GeForce GTX 950M should be a small bit (about 9%) better at AF than the GeForce 8800 GT 1GB. (explain)

GeForce GTX 950M		36560 Mtexels/sec
GeForce 8800 GT 1GB		33600 Mtexels/sec
	Difference: 2960 (9%)

Pixel Rate

The GeForce GTX 950M is a lot (more or less 52%) better at full screen anti-aliasing than the GeForce 8800 GT 1GB, and also will be capable of handling higher resolutions without losing too much performance. (explain)

GeForce GTX 950M		14624 Mpixels/sec
GeForce 8800 GT 1GB		9600 Mpixels/sec
	Difference: 5024 (52%)

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 (in units of megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the bus width by the speed of its memory. 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, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This number is worked out by multiplying the total texture units of the card by the core speed of the chip. The better this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.