GeForce 9500 GT 512MB GDDR3 vs GeForce GTX 880M

Intro

Compare those specs to the GeForce GTX 880M, which comes with GPU core speed of 954 MHz, and 4096 MB of GDDR5 memory running at 1000 MHz through a 256-bit bus. It also is made up of 1536 SPUs, 128 Texture Address Units, and 32 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 9500 GT 512MB GDDR3		50 Watts
GeForce GTX 880M		130 Watts
	Difference: 80 Watts (160%)

Memory Bandwidth

The GeForce GTX 880M should in theory perform much faster than the GeForce 9500 GT 512MB GDDR3 overall. (explain)

GeForce GTX 880M		128000 MB/sec
GeForce 9500 GT 512MB GDDR3		25600 MB/sec
	Difference: 102400 (400%)

Texel Rate

The GeForce GTX 880M will be a lot (approximately 1288%) better at AF than the GeForce 9500 GT 512MB GDDR3. (explain)

GeForce GTX 880M		122112 Mtexels/sec
GeForce 9500 GT 512MB GDDR3		8800 Mtexels/sec
	Difference: 113312 (1288%)

Pixel Rate

The GeForce GTX 880M should be a lot (more or less 594%) more effective at full screen anti-aliasing than the GeForce 9500 GT 512MB GDDR3, and also should be able to handle higher screen resolutions better. (explain)

GeForce GTX 880M		30528 Mpixels/sec
GeForce 9500 GT 512MB GDDR3		4400 Mpixels/sec
	Difference: 26128 (594%)

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 transported past the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If it uses DDR memory, it must be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount of texture units by the core clock speed of the chip. The higher this number, the better the video 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 most pixels that the graphics card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.