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GeForce GTX 1660 Ti vs GeForce RTX 2080

Intro

The GeForce GTX 1660 Ti has a GPU clock speed of 1500 MHz, and the 6144 MB of GDDR6 memory runs at 12000 MHz through a 192-bit bus. It also is comprised of 1536 Stream Processors, 96 Texture Address Units, and 48 ROPs.

Compare all of that to the GeForce RTX 2080, which comes with GPU clock speed of 1515 MHz, and 8192 MB of GDDR6 RAM set to run at 14 MHz through a 256-bit bus. It also is comprised of 2944 Stream Processors, 184 TAUs, and 64 ROPs.

Display Graphs

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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

Theoretically, the GeForce RTX 2080 should be quite a bit 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 will be much (about 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 lots of anti-aliasing is important to you, then the GeForce RTX 2080 is the winner, 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

Display Prices

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GeForce GTX 1660 Ti

Amazon.com

GeForce RTX 2080

Amazon.com

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

Display Specifications

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Model GeForce GTX 1660 Ti GeForce RTX 2080
Manufacturer nVidia nVidia
Year February 2019 September 2018
Code Name TU116-400-A1 TU104-400A-A1
Memory 6144 MB 8192 MB
Core Speed 1500 MHz 1515 MHz
Memory Speed 12000 GB/s 14 GB/s
Power (Max TDP) 120 watts 215 watts
Bandwidth 294912 MB/sec 458752 MB/sec
Texel Rate 144000 Mtexels/sec 278760 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 96960 Mpixels/sec
Unified Shaders 1536 2944
Texture Mapping Units 96 184
Render Output Units 48 64
Bus Type GDDR6 GDDR6
Bus Width 192-bit 256-bit
Fab Process 12 nm 12 nm
Transistors 6600 million (Unknown) million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of data (in units of megabytes per second) that can be moved across the external memory interface within a second. It is worked out by multiplying the card's interface width by its memory speed. If the card has DDR type memory, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The higher this number, the better the graphics card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels that the graphics chip can possibly write to its local memory per second - measured in millions of pixels per second. The number is worked out by multiplying the number of Render Output Units by the clock 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 quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to get to the max fill rate.

Display Prices

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GeForce GTX 1660 Ti

Amazon.com

GeForce RTX 2080

Amazon.com

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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