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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 frequency at 1500 MHz. The GDDR6 memory works at a speed of 12000 MHz on this model. It features 1536 SPUs along with 96 TAUs and 48 Rasterization Operator Units.

Compare those specs to the Radeon RX 580, which features GPU clock speed of 1257 MHz, and 8192 MB of GDDR5 RAM set to run at 2000 MHz through a 256-bit bus. It also is made up of 2304 SPUs, 144 TAUs, and 32 Raster Operation Units.

Display Graphs

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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

In theory, the GeForce GTX 1660 Ti should be 13% faster than the Radeon RX 580 in general, due to its higher data rate. (explain)

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

Texel Rate

The Radeon RX 580 should be a lot (approximately 26%) faster with regards to AF 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

If using high levels of AA is important to you, then the GeForce GTX 1660 Ti is the winner, by far. (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: Bandwidth is the max amount of information (counted in MB per second) that can be transported past the external memory interface in a second. It is worked out by multiplying the interface width by its memory clock speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the card's memory bandwidth, the better the card will be in general. It especially helps with AA, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 maximum number of pixels the video card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. 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

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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