GeForce 920M vs GeForce GTX 560

Intro

Compare those specifications to the GeForce GTX 560, which comes with a core clock frequency of 810 MHz and a GDDR5 memory speed of 1001 MHz. It also makes use of a 256-bit bus, and makes use of a 40 nm design. It is made up of 336 SPUs, 56 Texture Address Units, and 32 Raster Operation Units.

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 560		3030 points
GeForce 920M		1180 points
	Difference: 1850 (157%)

Power Usage and Theoretical Benchmarks

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 should be quite a bit faster than the GeForce 920M in general. (explain)

GeForce GTX 560		128128 MB/sec
GeForce 920M		14400 MB/sec
	Difference: 113728 (790%)

Texel Rate

The GeForce GTX 560 will be quite a bit (about 49%) better at texture filtering than the GeForce 920M. (explain)

GeForce GTX 560		45360 Mtexels/sec
GeForce 920M		30528 Mtexels/sec
	Difference: 14832 (49%)

Pixel Rate

The GeForce GTX 560 should be quite a bit (about 240%) more effective at full screen anti-aliasing than the GeForce 920M, and capable of handling higher resolutions better. (explain)

GeForce GTX 560		25920 Mpixels/sec
GeForce 920M		7632 Mpixels/sec
	Difference: 18288 (240%)

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 data (measured in MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once 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 anti-aliasing, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.