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GeForce GTX 1660 Ti vs Geforce GTX 780

Intro

The GeForce GTX 1660 Ti comes with core 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 ROPs.

Compare those specifications to the Geforce GTX 780, which features GPU core speed of 863 MHz, and 3072 MB of GDDR5 memory running at 1502 MHz through a 384-bit bus. It also features 2304 SPUs, 192 TAUs, 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 780 250 Watts
Difference: 130 Watts (108%)

Memory Bandwidth

Theoretically speaking, the GeForce GTX 1660 Ti should perform just a bit faster than the Geforce GTX 780 in general. (explain)

GeForce GTX 1660 Ti 294912 MB/sec
Geforce GTX 780 288384 MB/sec
Difference: 6528 (2%)

Texel Rate

The Geforce GTX 780 is a bit (about 15%) more effective at AF than the GeForce GTX 1660 Ti. (explain)

Geforce GTX 780 165696 Mtexels/sec
GeForce GTX 1660 Ti 144000 Mtexels/sec
Difference: 21696 (15%)

Pixel Rate

If using a high screen resolution is important to you, then the GeForce GTX 1660 Ti is superior to the Geforce GTX 780, by far. (explain)

GeForce GTX 1660 Ti 72000 Mpixels/sec
Geforce GTX 780 41424 Mpixels/sec
Difference: 30576 (74%)

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

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

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Model GeForce GTX 1660 Ti Geforce GTX 780
Manufacturer nVidia nVidia
Year February 2019 May 2013
Code Name TU116-400-A1 GK110
Memory 6144 MB 3072 MB
Core Speed 1500 MHz 863 MHz
Memory Speed 1500 GB/s 6008 MHz
Power (Max TDP) 120 watts 250 watts
Bandwidth 294912 MB/sec 288384 MB/sec
Texel Rate 144000 Mtexels/sec 165696 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 41424 Mpixels/sec
Unified Shaders 1536 2304
Texture Mapping Units 96 192
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 4.3

Memory Bandwidth: Bandwidth is the max amount of data (measured in megabytes per second) that can be transported past the external memory interface in one second. It is calculated by multiplying the interface width by its memory clock speed. If it uses DDR type memory, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the faster 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 per second. This figure is worked out by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed per second.

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Geforce GTX 780

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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