GeForce 820M vs GeForce GTX 560 Ti

Intro

Compare all of that to the GeForce GTX 560 Ti, which comes with a core clock speed of 822 MHz and a GDDR5 memory speed of 1002 MHz. It also features a 256-bit bus, and uses a 40 nm design. It is comprised of 384 SPUs, 64 TAUs, and 32 ROPs.

Display Graphs

Hide Graphs

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 Ti		3466 points
GeForce 820M		850 points
	Difference: 2616 (308%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 820M		15 Watts
GeForce GTX 560 Ti		170 Watts
	Difference: 155 Watts (1033%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 560 Ti should be a lot faster than the GeForce 820M in general. (explain)

GeForce GTX 560 Ti		128256 MB/sec
GeForce 820M		16000 MB/sec
	Difference: 112256 (702%)

Texel Rate

The GeForce GTX 560 Ti should be much (approximately 357%) faster with regards to texture filtering than the GeForce 820M. (explain)

GeForce GTX 560 Ti		52608 Mtexels/sec
GeForce 820M		11504 Mtexels/sec
	Difference: 41104 (357%)

Pixel Rate

The GeForce GTX 560 Ti is quite a bit (approximately 815%) faster with regards to AA than the GeForce 820M, and also should be able to handle higher screen resolutions more effectively. (explain)

GeForce GTX 560 Ti		26304 Mpixels/sec
GeForce 820M		2876 Mpixels/sec
	Difference: 23428 (815%)

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 maximum amount of data (measured in megabytes per second) that can be transported across the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. 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 texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total number of texture units by the core speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the card's clock speed. 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 quite a few other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.