GeForce GTX 1660 Ti vs GeForce GTX 590

Intro

Compare all that to the GeForce GTX 590, which features a clock speed of 607 MHz and a GDDR5 memory speed of 855 MHz. It also uses a 384-bit bus, and uses a 40 nm design. It features 512 SPUs, 64 Texture Address Units, and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti		120 Watts
GeForce GTX 590		365 Watts
	Difference: 245 Watts (204%)

Memory Bandwidth

In theory, the GeForce GTX 590 should be 11% faster than the GeForce GTX 1660 Ti overall, due to its greater bandwidth. (explain)

GeForce GTX 590		328320 MB/sec
GeForce GTX 1660 Ti		294912 MB/sec
	Difference: 33408 (11%)

Texel Rate

The GeForce GTX 1660 Ti is much (more or less 85%) faster with regards to texture filtering than the GeForce GTX 590. (explain)

GeForce GTX 1660 Ti		144000 Mtexels/sec
GeForce GTX 590		77696 Mtexels/sec
	Difference: 66304 (85%)

Pixel Rate

The GeForce GTX 1660 Ti should be a lot (approximately 24%) faster with regards to full screen anti-aliasing than the GeForce GTX 590, and also should be capable of handling higher resolutions more effectively. (explain)

GeForce GTX 1660 Ti		72000 Mpixels/sec
GeForce GTX 590		58272 Mpixels/sec
	Difference: 13728 (24%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

Specifications

Memory Bandwidth: Bandwidth is the largest amount of data (counted in megabytes per second) that can be transported over the external memory interface in one second. It's calculated by multiplying the card's bus width by its memory speed. In the case of DDR RAM, it should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the bandwidth is, 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 amount of texture map elements (texels) that are applied per second. This is calculated by multiplying the total texture units of the card by the core clock speed of the chip. The higher the texel rate, 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 that the graphics card can possibly write to the local memory per second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour ROPs by the the card's 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 is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.