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GeForce GTX 1660 Ti vs Geforce GTX 780

Intro

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

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

Memory Bandwidth

Performance-wise, the GeForce GTX 1660 Ti should theoretically be just a bit superior to 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 should be a small bit (about 15%) faster with regards to 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 running with lots of anti-aliasing is important to you, then the GeForce GTX 1660 Ti is the winner, 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

Check prices at:

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 12000 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 (counted in megabytes per second) that can be transferred past the external memory interface within a second. The number is calculated by multiplying the interface width by the speed of its memory. If the card has DDR type RAM, it should be multiplied by 2 again. If DDR5, multiply by 4 instead. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card could possibly write to its local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core clock speed. 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 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

Hide Prices

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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