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GeForce GTX 1660 Ti vs Radeon RX Vega 56

Intro

The GeForce GTX 1660 Ti features a clock speed of 1500 MHz and a GDDR6 memory frequency of 12000 MHz. It also features a 192-bit bus, and makes use of a 12 nm design. It is comprised of 1536 SPUs, 96 Texture Address Units, and 48 Raster Operation Units.

Compare all of that to the Radeon RX Vega 56, which comes with a clock speed of 1156 MHz and a HBM2 memory speed of 1600 MHz. It also makes use of a 2048-bit memory bus, and makes use of a 14 nm design. It features 3584 SPUs, 224 TAUs, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti 120 Watts
Radeon RX Vega 56 210 Watts
Difference: 90 Watts (75%)

Memory Bandwidth

Theoretically, the Radeon RX Vega 56 should perform quite a bit faster than the GeForce GTX 1660 Ti overall. (explain)

Radeon RX Vega 56 419430 MB/sec
GeForce GTX 1660 Ti 294912 MB/sec
Difference: 124518 (42%)

Texel Rate

The Radeon RX Vega 56 will be a lot (approximately 80%) more effective at AF than the GeForce GTX 1660 Ti. (explain)

Radeon RX Vega 56 258944 Mtexels/sec
GeForce GTX 1660 Ti 144000 Mtexels/sec
Difference: 114944 (80%)

Pixel Rate

The Radeon RX Vega 56 will be a bit (approximately 3%) faster with regards to anti-aliasing than the GeForce GTX 1660 Ti, and also capable of handling higher resolutions more effectively. (explain)

Radeon RX Vega 56 73984 Mpixels/sec
GeForce GTX 1660 Ti 72000 Mpixels/sec
Difference: 1984 (3%)

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

Display Prices

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GeForce GTX 1660 Ti

Amazon.com

Radeon RX Vega 56

Amazon.com

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 RX Vega 56
Manufacturer nVidia AMD
Year February 2019 September 2017
Code Name TU116-400-A1 Vega 10 XL
Memory 6144 MB 8192 MB
Core Speed 1500 MHz 1156 MHz
Memory Speed 12000 GB/s 1600 MHz
Power (Max TDP) 120 watts 210 watts
Bandwidth 294912 MB/sec 419430 MB/sec
Texel Rate 144000 Mtexels/sec 258944 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 73984 Mpixels/sec
Unified Shaders 1536 3584
Texture Mapping Units 96 224
Render Output Units 48 64
Bus Type GDDR6 HBM2
Bus Width 192-bit 2048-bit
Fab Process 12 nm 14 nm
Transistors 6600 million 12500 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 maximum amount of information (counted in MB per second) that can be moved over the external memory interface in one second. The number is calculated by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total amount of texture units of the card by the core clock speed of the chip. The better this number, the better the graphics 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 most pixels that the graphics chip can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

Radeon RX Vega 56

Amazon.com

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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