GeForce GTX 560 Ti vs GeForce GTX 870M

Intro

Compare those specifications to the GeForce GTX 870M, which has GPU core speed of 941 MHz, and 3072 MB of GDDR5 RAM running at 1000 MHz through a 192-bit bus. It also is comprised of 1344 Stream Processors, 112 TAUs, and 24 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 870M		4770 points
GeForce GTX 560 Ti		3466 points
	Difference: 1304 (38%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 870M		110 Watts
GeForce GTX 560 Ti		170 Watts
	Difference: 60 Watts (55%)

Memory Bandwidth

In theory, the GeForce GTX 560 Ti should perform quite a bit faster than the GeForce GTX 870M in general. (explain)

GeForce GTX 560 Ti		128256 MB/sec
GeForce GTX 870M		96000 MB/sec
	Difference: 32256 (34%)

Texel Rate

The GeForce GTX 870M will be quite a bit (more or less 100%) more effective at texture filtering than the GeForce GTX 560 Ti. (explain)

GeForce GTX 870M		105392 Mtexels/sec
GeForce GTX 560 Ti		52608 Mtexels/sec
	Difference: 52784 (100%)

Pixel Rate

The GeForce GTX 560 Ti will be a small bit (about 16%) faster with regards to FSAA than the GeForce GTX 870M, and also should be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
GeForce GTX 870M		22584 Mpixels/sec
	Difference: 3720 (16%)

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 max amount of information (measured in megabytes per second) that can be moved over the external memory interface in one second. The number is worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

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

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