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GeForce GTX 1660 Ti vs GeForce GTX 780 Ti

Intro

The GeForce GTX 1660 Ti features core clock speeds of 1500 MHz on the GPU, and 1500 MHz on the 6144 MB of GDDR6 memory. It features 1536 SPUs as well as 96 Texture Address Units and 48 Rasterization Operator Units.

Compare all of that to the GeForce GTX 780 Ti, which has a GPU core clock speed of 875 MHz, and 3072 MB of GDDR5 RAM set to run at 1750 MHz through a 384-bit bus. It also is comprised of 2880 Stream Processors, 240 Texture Address Units, and 48 Raster Operation Units.

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

Theoretically speaking, the GeForce GTX 780 Ti should perform a little bit faster than the GeForce GTX 1660 Ti overall. (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 quite a bit (approximately 46%) more effective at anisotropic filtering 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

The GeForce GTX 1660 Ti is a lot (approximately 71%) faster with regards to FSAA than the GeForce GTX 780 Ti, and should be able to handle higher screen resolutions without losing too much performance. (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

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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

Display 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 1500 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: Memory bandwidth is the maximum amount of information (in units of MB per second) that can be moved across the external memory interface in a second. It's worked out by multiplying the card's interface width by its memory clock speed. If it uses DDR type RAM, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is worked out by multiplying the total texture units of the card by the core clock 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 one second.

Pixel Rate: Pixel rate is the most pixels that the graphics card could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated 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 rate is also dependant on many 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

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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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