GeForce 9500 GT 512MB GDDR3 vs GeForce GTX 950M

Intro

Compare those specs to the GeForce GTX 950M, which makes use of a 28 nm design. nVidia has set the core frequency at 914 MHz. The DDR3 memory is set to run at a frequency of 1000 MHz on this card. It features 640 SPUs as well as 40 TAUs and 16 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3		50 Watts
GeForce GTX 950M		55 Watts
	Difference: 5 Watts (10%)

Memory Bandwidth

The GeForce GTX 950M should in theory be quite a bit faster than the GeForce 9500 GT 512MB GDDR3 in general. (explain)

GeForce GTX 950M		32000 MB/sec
GeForce 9500 GT 512MB GDDR3		25600 MB/sec
	Difference: 6400 (25%)

Texel Rate

The GeForce GTX 950M should be much (about 315%) more effective at texture filtering than the GeForce 9500 GT 512MB GDDR3. (explain)

GeForce GTX 950M		36560 Mtexels/sec
GeForce 9500 GT 512MB GDDR3		8800 Mtexels/sec
	Difference: 27760 (315%)

Pixel Rate

If running with a high resolution is important to you, then the GeForce GTX 950M is a better choice, by a large margin. (explain)

GeForce GTX 950M		14624 Mpixels/sec
GeForce 9500 GT 512MB GDDR3		4400 Mpixels/sec
	Difference: 10224 (232%)

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 (counted in MB per second) that can be moved past the external memory interface within a second. The number is calculated by multiplying the interface width by its memory clock speed. In the case of DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This is calculated by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

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