GeForce 820M vs GeForce GTX 1060

Intro

Compare those specs to the GeForce GTX 1060, which features a GPU core clock speed of 1506 MHz, and 6144 MB of GDDR5 memory set to run at 2000 MHz through a 192-bit bus. It also features 1280 SPUs, 80 Texture Address Units, and 48 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 1060		12359 points
GeForce 820M		850 points
	Difference: 11509 (1354%)

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce 820M		15 Watts
GeForce GTX 1060		120 Watts
	Difference: 105 Watts (700%)

Memory Bandwidth

Performance-wise, the GeForce GTX 1060 should theoretically be much superior to the GeForce 820M in general. (explain)

GeForce GTX 1060		196608 MB/sec
GeForce 820M		16000 MB/sec
	Difference: 180608 (1129%)

Texel Rate

The GeForce GTX 1060 will be quite a bit (about 947%) faster with regards to anisotropic filtering than the GeForce 820M. (explain)

GeForce GTX 1060		120480 Mtexels/sec
GeForce 820M		11504 Mtexels/sec
	Difference: 108976 (947%)

Pixel Rate

The GeForce GTX 1060 should be quite a bit (approximately 2413%) faster with regards to FSAA than the GeForce 820M, and will be able to handle higher resolutions while still performing well. (explain)

GeForce GTX 1060		72288 Mpixels/sec
GeForce 820M		2876 Mpixels/sec
	Difference: 69412 (2413%)

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: Memory bandwidth is the largest amount of data (counted in megabytes per second) that can be transported over the external memory interface within a second. The number is calculated by multiplying the bus width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the 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 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 worked out by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called 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, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.