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GeForce GTX 1080 vs GeForce GTX 1660 Ti

Intro

The GeForce GTX 1080 comes with core speeds of 1607 MHz on the GPU, and 1251 MHz on the 8192 MB of GDDR5X memory. It features 2560 SPUs along with 160 Texture Address Units and 64 ROPs.

Compare those specs to the GeForce GTX 1660 Ti, which features GPU core speed of 1500 MHz, and 6144 MB of GDDR6 RAM running at 12000 MHz through a 192-bit bus. It also is made up of 1536 Stream Processors, 96 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 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 overall, because of its greater bandwidth. (explain)

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

Texel Rate

The GeForce GTX 1080 is a lot (about 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 much (approximately 43%) faster with regards to FSAA than the GeForce GTX 1660 Ti, and also will be capable of handling higher screen resolutions without losing too much performance. (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: Memory bandwidth is the maximum amount of data (measured in MB per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This is calculated by multiplying the total amount of texture units of the card by the core 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 processed in a second.

Pixel Rate: Pixel rate is the maximum number 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 calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate is also dependant on many other factors, most notably the memory bandwidth - the lower the 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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