GeForce GTX 1660 Ti vs GeForce RTX 2080

Intro

Compare all that to the GeForce RTX 2080, which features core clock speeds of 1515 MHz on the GPU, and 1750 MHz on the 8192 MB of GDDR6 RAM. It features 2944 SPUs as well as 184 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti		120 Watts
GeForce RTX 2080		215 Watts
	Difference: 95 Watts (79%)

Memory Bandwidth

In theory, the GeForce RTX 2080 should perform much faster than the GeForce GTX 1660 Ti in general. (explain)

GeForce RTX 2080		458752 MB/sec
GeForce GTX 1660 Ti		294912 MB/sec
	Difference: 163840 (56%)

Texel Rate

The GeForce RTX 2080 should be much (more or less 94%) faster with regards to anisotropic filtering than the GeForce GTX 1660 Ti. (explain)

GeForce RTX 2080		278760 Mtexels/sec
GeForce GTX 1660 Ti		144000 Mtexels/sec
	Difference: 134760 (94%)

Pixel Rate

If running with high levels of AA is important to you, then the GeForce RTX 2080 is a better choice, and very much so. (explain)

GeForce RTX 2080		96960 Mpixels/sec
GeForce GTX 1660 Ti		72000 Mpixels/sec
	Difference: 24960 (35%)

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 information (in units of MB per second) that can be transported past the external memory interface in one second. It's worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total number of texture units of the card by the core clock 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 in one second.

Pixel Rate: Pixel rate is the maximum amount of 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 worked out by multiplying the number of ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.