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GeForce GTX 1660 Ti vs Geforce GTX 770

Intro

The GeForce GTX 1660 Ti comes with a clock frequency of 1500 MHz and a GDDR6 memory speed of 1500 MHz. It also features a 192-bit memory bus, and uses a 12 nm design. It is comprised of 1536 SPUs, 96 Texture Address Units, and 48 ROPs.

Compare those specifications to the Geforce GTX 770, which makes use of a 28 nm design. nVidia has set the core frequency at 1046 MHz. The GDDR5 memory is set to run at a frequency of 1753 MHz on this specific card. It features 1536 SPUs along with 128 TAUs and 32 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti 120 Watts
Geforce GTX 770 230 Watts
Difference: 110 Watts (92%)

Memory Bandwidth

The GeForce GTX 1660 Ti, in theory, should be much faster than the Geforce GTX 770 overall. (explain)

GeForce GTX 1660 Ti 294912 MB/sec
Geforce GTX 770 224384 MB/sec
Difference: 70528 (31%)

Texel Rate

The GeForce GTX 1660 Ti should be a little bit (more or less 8%) better at AF than the Geforce GTX 770. (explain)

GeForce GTX 1660 Ti 144000 Mtexels/sec
Geforce GTX 770 133888 Mtexels/sec
Difference: 10112 (8%)

Pixel Rate

The GeForce GTX 1660 Ti is quite a bit (more or less 115%) faster with regards to anti-aliasing than the Geforce GTX 770, and also capable of handling higher resolutions better. (explain)

GeForce GTX 1660 Ti 72000 Mpixels/sec
Geforce GTX 770 33472 Mpixels/sec
Difference: 38528 (115%)

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 770

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 770
Manufacturer nVidia nVidia
Year February 2019 May 2013
Code Name TU116-400-A1 GK104
Memory 6144 MB 2048 MB
Core Speed 1500 MHz 1046 MHz
Memory Speed 1500 GB/s 7012 MHz
Power (Max TDP) 120 watts 230 watts
Bandwidth 294912 MB/sec 224384 MB/sec
Texel Rate 144000 Mtexels/sec 133888 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 33472 Mpixels/sec
Unified Shaders 1536 1536
Texture Mapping Units 96 128
Render Output Units 48 32
Bus Type GDDR6 GDDR5
Bus Width 192-bit 256-bit
Fab Process 12 nm 28 nm
Transistors 6600 million 3540 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 information (counted in MB per second) that can be moved over the external memory interface within a second. It's worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR type RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of 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 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate also depends on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

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GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Geforce GTX 770

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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