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GeForce GTX 1080 vs GeForce GTX 1660 Ti

Intro

The GeForce GTX 1080 comes with a clock speed of 1607 MHz and a GDDR5X memory speed of 1251 MHz. It also makes use of a 256-bit bus, and makes use of a 16 nm design. It is made up of 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Compare that to the GeForce GTX 1660 Ti, which uses a 12 nm design. nVidia has set the core speed at 1500 MHz. The GDDR6 memory is set to run at a frequency of 12000 MHz on this particular card. It features 1536 SPUs as well as 96 Texture Address Units and 48 Rasterization Operator Units.

Display Graphs

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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 a small bit faster than the GeForce GTX 1660 Ti overall. (explain)

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

Texel Rate

The GeForce GTX 1080 should be much (about 79%) faster with regards to texture filtering 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

If using a high screen resolution is important to you, then the GeForce GTX 1080 is superior to the GeForce GTX 1660 Ti, by far. (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

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GeForce GTX 1080

Amazon.com

Check prices at:

GeForce GTX 1660 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.

Specifications

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Model GeForce GTX 1080 GeForce GTX 1660 Ti
Manufacturer nVidia nVidia
Year May 2016 February 2019
Code Name GP104-400 TU116-400-A1
Memory 8192 MB 6144 MB
Core Speed 1607 MHz 1500 MHz
Memory Speed 10008 MHz 24000 GB/s
Power (Max TDP) 180 watts 120 watts
Bandwidth 327680 MB/sec 294912 MB/sec
Texel Rate 257120 Mtexels/sec 144000 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 72000 Mpixels/sec
Unified Shaders 2560 1536
Texture Mapping Units 160 96
Render Output Units 64 48
Bus Type GDDR5X GDDR6
Bus Width 256-bit 192-bit
Fab Process 16 nm 12 nm
Transistors 7200 million 6600 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of data (measured in MB per second) that can be moved over the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, it should be multiplied by 2 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 texture map elements (texels) that can be processed in one second. This is calculated by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in one second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.

Display Prices

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GeForce GTX 1080

Amazon.com

Check prices at:

GeForce GTX 1660 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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