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GeForce GTX 1660 Ti vs Radeon RX 580

Intro

The GeForce GTX 1660 Ti uses a 12 nm design. nVidia has clocked the core speed at 1500 MHz. The GDDR6 memory works at a frequency of 12000 MHz on this model. It features 1536 SPUs as well as 96 TAUs and 48 ROPs.

Compare all of that to the Radeon RX 580, which uses a 14 nm design. AMD has set the core speed at 1257 MHz. The GDDR5 RAM is set to run at a frequency of 2000 MHz on this specific model. It features 2304 SPUs along with 144 TAUs and 32 ROPs.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1660 Ti 120 Watts
Radeon RX 580 185 Watts
Difference: 65 Watts (54%)

Memory Bandwidth

As far as performance goes, the GeForce GTX 1660 Ti should in theory be a little bit superior to the Radeon RX 580 in general. (explain)

GeForce GTX 1660 Ti 294912 MB/sec
Radeon RX 580 262144 MB/sec
Difference: 32768 (13%)

Texel Rate

The Radeon RX 580 will be quite a bit (about 26%) more effective at anisotropic filtering than the GeForce GTX 1660 Ti. (explain)

Radeon RX 580 181008 Mtexels/sec
GeForce GTX 1660 Ti 144000 Mtexels/sec
Difference: 37008 (26%)

Pixel Rate

The GeForce GTX 1660 Ti will be quite a bit (more or less 79%) faster with regards to AA than the Radeon RX 580, and also able to handle higher screen resolutions better. (explain)

GeForce GTX 1660 Ti 72000 Mpixels/sec
Radeon RX 580 40224 Mpixels/sec
Difference: 31776 (79%)

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 580

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 580
Manufacturer nVidia AMD
Year February 2019 April 2017
Code Name TU116-400-A1 Polaris 20
Memory 6144 MB 8192 MB
Core Speed 1500 MHz 1257 MHz
Memory Speed 12000 GB/s 8000 MHz
Power (Max TDP) 120 watts 185 watts
Bandwidth 294912 MB/sec 262144 MB/sec
Texel Rate 144000 Mtexels/sec 181008 Mtexels/sec
Pixel Rate 72000 Mpixels/sec 40224 Mpixels/sec
Unified Shaders 1536 2304
Texture Mapping Units 96 144
Render Output Units 48 32
Bus Type GDDR6 GDDR5
Bus Width 192-bit 256-bit
Fab Process 12 nm 14 nm
Transistors 6600 million 5700 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 data (counted in MB per second) that can be moved past the external memory interface in one second. It is worked out by multiplying the card's interface width by its memory speed. In the case of DDR type RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the bandwidth is, the better the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are processed per second. This figure is calculated by multiplying the total amount of texture units by the core clock 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 processed in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the number of ROPs 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 output rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.

Display Prices

Hide Prices

GeForce GTX 1660 Ti

Amazon.com

Check prices at:

Radeon RX 580

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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