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GeForce GTX 1660 Ti vs GeForce GTX 780 Ti

Intro

The GeForce GTX 1660 Ti comes with a core clock speed of 1500 MHz and a GDDR6 memory frequency of 12000 MHz. It also uses a 192-bit bus, and uses a 12 nm design. It is comprised of 1536 SPUs, 96 TAUs, and 48 ROPs.

Compare those specifications to the GeForce GTX 780 Ti, which uses a 28 nm design. nVidia has clocked the core speed at 875 MHz. The GDDR5 memory is set to run at a frequency of 1750 MHz on this specific model. It features 2880 SPUs as well as 240 TAUs 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 780 Ti 250 Watts
Difference: 130 Watts (108%)

Memory Bandwidth

In theory, the GeForce GTX 780 Ti should be a bit faster than the GeForce GTX 1660 Ti in general. (explain)

GeForce GTX 780 Ti 336000 MB/sec
GeForce GTX 1660 Ti 294912 MB/sec
Difference: 41088 (14%)

Texel Rate

The GeForce GTX 780 Ti will be much (about 46%) more effective at AF than the GeForce GTX 1660 Ti. (explain)

GeForce GTX 780 Ti 210000 Mtexels/sec
GeForce GTX 1660 Ti 144000 Mtexels/sec
Difference: 66000 (46%)

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 1660 Ti is superior to the GeForce GTX 780 Ti, by far. (explain)

GeForce GTX 1660 Ti 72000 Mpixels/sec
GeForce GTX 780 Ti 42000 Mpixels/sec
Difference: 30000 (71%)

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

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GeForce GTX 1660 Ti

Amazon.com

Check prices at:

GeForce GTX 780 Ti

Amazon.com

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Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

Specifications

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Model GeForce GTX 1660 Ti GeForce GTX 780 Ti
Manufacturer nVidia nVidia
Year February 2019 November 2013
Code Name TU116-400-A1 GK110
Memory 6144 MB 3072 MB
Core Speed 1500 MHz 875 MHz
Memory Speed 12000 GB/s 7000 MHz
Power (Max TDP) 120 watts 250 watts
Bandwidth 294912 MB/sec 336000 MB/sec
Texel Rate 144000 Mtexels/sec 210000 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 42000 Mpixels/sec
Unified Shaders 1536 2880
Texture Mapping Units 96 240
Render Output Units 48 48
Bus Type GDDR6 GDDR5
Bus Width 192-bit 384-bit
Fab Process 12 nm 28 nm
Transistors 6600 million 7080 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 11.0
OpenGL Version OpenGL 4.6 OpenGL 4.4

Memory Bandwidth: Bandwidth is the max amount of data (in units of MB per second) that can be moved past the external memory interface in one second. The number is calculated by multiplying the interface width by its memory speed. If the card has DDR memory, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per second. This figure is calculated by multiplying the total texture units by the core clock speed of the chip. The higher this number, the better the video card will be at 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 write to its local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

Check prices at:

GeForce GTX 780 Ti

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.

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