GeForce GTX 1080 vs GeForce GTX 1660 Ti

Intro

Compare all of that to the GeForce GTX 1660 Ti, which comes with a clock frequency of 1500 MHz and a GDDR6 memory frequency of 1500 MHz. It also uses a 192-bit memory bus, and uses a 12 nm design. It is comprised of 1536 SPUs, 96 TAUs, and 48 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti		120 Watts
GeForce GTX 1080		180 Watts
	Difference: 60 Watts (50%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1080 should be 11% quicker than the GeForce GTX 1660 Ti in general, because of its higher data rate. (explain)

GeForce GTX 1080		327680 MB/sec
GeForce GTX 1660 Ti		294912 MB/sec
	Difference: 32768 (11%)

Texel Rate

The GeForce GTX 1080 will be quite a bit (more or less 79%) better at AF than the GeForce GTX 1660 Ti. (explain)

GeForce GTX 1080		257120 Mtexels/sec
GeForce GTX 1660 Ti		144000 Mtexels/sec
	Difference: 113120 (79%)

Pixel Rate

The GeForce GTX 1080 will be a lot (approximately 43%) better at anti-aliasing than the GeForce GTX 1660 Ti, and also able to handle higher resolutions while still performing well. (explain)

GeForce GTX 1080		102848 Mpixels/sec
GeForce GTX 1660 Ti		72000 Mpixels/sec
	Difference: 30848 (43%)

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 max amount of data (in units of MB per second) that can be transported across the external memory interface in a second. The number is calculated by multiplying the interface width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write 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 - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate is also dependant on many other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.