GeForce GTX 465 vs GeForce GTX 960M

Intro

Compare those specifications to the GeForce GTX 960M, which features GPU clock speed of 1096 MHz, and 2048 MB of GDDR5 RAM set to run at 1000 MHz through a 128-bit bus. It also features 640 SPUs, 40 TAUs, and 16 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 960M		65 Watts
GeForce GTX 465		200 Watts
	Difference: 135 Watts (208%)

Memory Bandwidth

In theory, the GeForce GTX 465 will be 60% quicker than the GeForce GTX 960M in general, due to its greater bandwidth. (explain)

GeForce GTX 465		102592 MB/sec
GeForce GTX 960M		64000 MB/sec
	Difference: 38592 (60%)

Texel Rate

The GeForce GTX 960M should be much (more or less 64%) better at texture filtering than the GeForce GTX 465. (explain)

GeForce GTX 960M		43840 Mtexels/sec
GeForce GTX 465		26708 Mtexels/sec
	Difference: 17132 (64%)

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 465 is a better choice, though only just barely. (explain)

GeForce GTX 465		19424 Mpixels/sec
GeForce GTX 960M		17536 Mpixels/sec
	Difference: 1888 (11%)

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 largest amount of data (counted in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the interface width by the speed of its memory. In the case of DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Raster Operations Pipelines by the clock speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on lots of other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.