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GeForce GTX 1660 Ti vs Radeon Pro Duo

Intro

The GeForce GTX 1660 Ti features clock speeds of 1500 MHz on the GPU, and 1500 MHz on the 6144 MB of GDDR6 RAM. It features 1536 SPUs along with 96 TAUs and 48 Rasterization Operator Units.

Compare all of that to the Radeon Pro Duo, which makes use of a 28 nm design. AMD has clocked the core speed at 1000 MHz. The HBM memory runs at a frequency of 500 MHz on this model. It features 4096 SPUs along with 256 TAUs and 64 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti 120 Watts
Radeon Pro Duo 350 Watts
Difference: 230 Watts (192%)

Memory Bandwidth

The Radeon Pro Duo should theoretically perform quite a bit faster than the GeForce GTX 1660 Ti overall. (explain)

Radeon Pro Duo 1024000 MB/sec
GeForce GTX 1660 Ti 294912 MB/sec
Difference: 729088 (247%)

Texel Rate

The Radeon Pro Duo should be quite a bit (more or less 256%) faster with regards to AF than the GeForce GTX 1660 Ti. (explain)

Radeon Pro Duo 512000 Mtexels/sec
GeForce GTX 1660 Ti 144000 Mtexels/sec
Difference: 368000 (256%)

Pixel Rate

The Radeon Pro Duo should be quite a bit (about 78%) more effective at anti-aliasing than the GeForce GTX 1660 Ti, and capable of handling higher screen resolutions better. (explain)

Radeon Pro Duo 128000 Mpixels/sec
GeForce GTX 1660 Ti 72000 Mpixels/sec
Difference: 56000 (78%)

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.

One or more cards in this comparison are multi-core. This means that their bandwidth, texel and pixel rates are theoretically doubled - this does not mean the card will actually perform twice as fast, but only that it should in theory be able to. Actual game benchmarks will give a more accurate idea of what it's capable of.

Price Comparison

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GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon Pro Duo

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.

Specifications

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Model GeForce GTX 1660 Ti Radeon Pro Duo
Manufacturer nVidia AMD
Year February 2019 April 2016
Code Name TU116-400-A1 Fiji XT
Memory 6144 MB 4096 MB (x2)
Core Speed 1500 MHz 1000 MHz (x2)
Memory Speed 1500 GB/s 500 MHz (x2)
Power (Max TDP) 120 watts 350 watts
Bandwidth 294912 MB/sec 1024000 MB/sec
Texel Rate 144000 Mtexels/sec 512000 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 128000 Mpixels/sec
Unified Shaders 1536 4096 (x2)
Texture Mapping Units 96 256 (x2)
Render Output Units 48 64 (x2)
Bus Type GDDR6 HBM
Bus Width 192-bit 4096-bit (x2)
Fab Process 12 nm 28 nm
Transistors 6600 million 8900 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.6 OpenGL 4.5

Memory Bandwidth: Bandwidth is the max amount of information (measured in megabytes per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. If it uses DDR type RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, the faster the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This figure is worked out by multiplying the total number of texture units by the core speed of the chip. The higher this number, the better the video 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 maximum amount of pixels the graphics card could possibly record to its local memory in one second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs 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 rate is also dependant on quite a few other factors, especially the memory bandwidth of the card - the lower the memory 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:

Radeon Pro Duo

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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