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GeForce GTX 1660 Ti vs GeForce RTX 2080 Ti

Intro

The GeForce GTX 1660 Ti comes with a GPU core clock speed of 1500 MHz, and the 6144 MB of GDDR6 RAM runs at 12000 MHz through a 192-bit bus. It also is comprised of 1536 Stream Processors, 96 TAUs, and 48 ROPs.

Compare all that to the GeForce RTX 2080 Ti, which has a clock speed of 1350 MHz and a GDDR6 memory frequency of 14 MHz. It also uses a 352-bit memory bus, and uses a 12 nm design. It features 4352 SPUs, 272 Texture Address Units, and 88 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 Ti 250 Watts
Difference: 130 Watts (108%)

Memory Bandwidth

Theoretically speaking, the GeForce RTX 2080 Ti should perform quite a bit faster than the GeForce GTX 1660 Ti in general. (explain)

GeForce RTX 2080 Ti 630784 MB/sec
GeForce GTX 1660 Ti 294912 MB/sec
Difference: 335872 (114%)

Texel Rate

The GeForce RTX 2080 Ti will be quite a bit (approximately 155%) more effective at anisotropic filtering than the GeForce GTX 1660 Ti. (explain)

GeForce RTX 2080 Ti 367200 Mtexels/sec
GeForce GTX 1660 Ti 144000 Mtexels/sec
Difference: 223200 (155%)

Pixel Rate

The GeForce RTX 2080 Ti will be much (about 65%) faster with regards to AA than the GeForce GTX 1660 Ti, and will be able to handle higher screen resolutions better. (explain)

GeForce RTX 2080 Ti 118800 Mpixels/sec
GeForce GTX 1660 Ti 72000 Mpixels/sec
Difference: 46800 (65%)

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

GeForce RTX 2080 Ti

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

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Model GeForce GTX 1660 Ti GeForce RTX 2080 Ti
Manufacturer nVidia nVidia
Year February 2019 September 2018
Code Name TU116-400-A1 TU102-300A-K1-A1
Memory 6144 MB 11264 MB
Core Speed 1500 MHz 1350 MHz
Memory Speed 12000 GB/s 14 GB/s
Power (Max TDP) 120 watts 250 watts
Bandwidth 294912 MB/sec 630784 MB/sec
Texel Rate 144000 Mtexels/sec 367200 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 118800 Mpixels/sec
Unified Shaders 1536 4352
Texture Mapping Units 96 272
Render Output Units 48 88
Bus Type GDDR6 GDDR6
Bus Width 192-bit 352-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 max amount of information (measured in MB per second) that can be transferred across the external memory interface in a second. It's worked out by multiplying the interface width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied in one second. This figure is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at 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 the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate also depends on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

GeForce RTX 2080 Ti

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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