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GeForce GTX 1660 Ti vs Radeon RX Vega 56

Intro

The GeForce GTX 1660 Ti makes use of a 12 nm design. nVidia has clocked the core speed at 1500 MHz. The GDDR6 RAM is set to run at a speed of 12000 MHz on this model. It features 1536 SPUs as well as 96 Texture Address Units and 48 Rasterization Operator Units.

Compare that to the Radeon RX Vega 56, which has core clock speeds of 1156 MHz on the GPU, and 1600 MHz on the 8192 MB of HBM2 memory. It features 3584 SPUs along with 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

The Radeon RX Vega 56 should theoretically perform a lot faster than the GeForce GTX 1660 Ti in general. (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 should be much (more or less 80%) better 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 is just a bit (about 3%) more effective at FSAA than the GeForce GTX 1660 Ti, and will be able to handle higher screen resolutions without slowing down too much. (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

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GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon RX Vega 56

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 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: Memory bandwidth is the largest amount of information (in units of megabytes per second) that can be transferred past the external memory interface within a second. It's calculated by multiplying the bus width by the speed of its memory. If the card has DDR RAM, it should be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also 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 bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon RX Vega 56

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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