GeForce GTX 560 vs GeForce GTX 880M

Intro

Compare those specs to the GeForce GTX 880M, which uses a 28 nm design. nVidia has set the core speed at 954 MHz. The GDDR5 RAM runs at a frequency of 1000 MHz on this specific model. It features 1536 SPUs along with 128 TAUs and 32 ROPs.

Display Graphs

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Benchmarks

These are real-world performance benchmarks that were submitted by Hardware Compare users. The scores seen here are the average of all benchmarks submitted for each respective test and hardware.

3DMark Fire Strike Graphics Score

GeForce GTX 880M		6360 points
GeForce GTX 560		3030 points
	Difference: 3330 (110%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 880M		130 Watts
GeForce GTX 560		150 Watts
	Difference: 20 Watts (15%)

Memory Bandwidth

The GeForce GTX 560 should theoretically perform a bit faster than the GeForce GTX 880M in general. (explain)

GeForce GTX 560		128128 MB/sec
GeForce GTX 880M		128000 MB/sec
	Difference: 128 (0%)

Texel Rate

The GeForce GTX 880M should be much (approximately 169%) faster with regards to texture filtering than the GeForce GTX 560. (explain)

GeForce GTX 880M		122112 Mtexels/sec
GeForce GTX 560		45360 Mtexels/sec
	Difference: 76752 (169%)

Pixel Rate

The GeForce GTX 880M should be a little bit (about 18%) faster with regards to FSAA than the GeForce GTX 560, and should be able to handle higher screen resolutions without slowing down too much. (explain)

GeForce GTX 880M		30528 Mpixels/sec
GeForce GTX 560		25920 Mpixels/sec
	Difference: 4608 (18%)

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 information (counted in megabytes per second) that can be moved past the external memory interface in one second. It is calculated by multiplying the interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied per second. This figure 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 applied in a second.

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