GeForce GTX 560 vs GeForce GTX 880M

Intro

Compare those specs to the GeForce GTX 880M, which features a clock frequency of 954 MHz and a GDDR5 memory speed of 1000 MHz. It also uses a 256-bit bus, and makes use of a 28 nm design. It is comprised of 1536 SPUs, 128 Texture Address Units, 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

Theoretically speaking, the GeForce GTX 560 should be 0% faster than the GeForce GTX 880M overall, due to its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 880M will be a lot (approximately 169%) more effective at AF than the GeForce GTX 560. (explain)

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

Pixel Rate

If running with lots of anti-aliasing is important to you, then the GeForce GTX 880M is superior to the GeForce GTX 560, though not by far. (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 data (in units of MB per second) that can be moved past the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better 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 applied in one second. This number is worked out by multiplying the total amount of texture units by the core speed of the chip. The better the texel rate, 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 the graphics card could possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate 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 outputting the pixels (image) to the screen. The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.