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GeForce GTX 1080 vs GeForce RTX 2060

Intro

The GeForce GTX 1080 has a GPU core clock speed of 1607 MHz, and the 8192 MB of GDDR5X memory runs at 1251 MHz through a 256-bit bus. It also is made up of 2560 SPUs, 160 Texture Address Units, and 64 Raster Operation Units.

Compare that to the GeForce RTX 2060, which uses a 12 nm design. nVidia has clocked the core speed at 1365 MHz. The GDDR6 memory works at a frequency of 14000 MHz on this model. It features 1920 SPUs as well as 120 TAUs and 48 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2060 160 Watts
GeForce GTX 1080 180 Watts
Difference: 20 Watts (13%)

Memory Bandwidth

As far as performance goes, the GeForce RTX 2060 should theoretically be a bit better than the GeForce GTX 1080 in general. (explain)

GeForce RTX 2060 344064 MB/sec
GeForce GTX 1080 327680 MB/sec
Difference: 16384 (5%)

Texel Rate

The GeForce GTX 1080 will be quite a bit (about 57%) better at texture filtering than the GeForce RTX 2060. (explain)

GeForce GTX 1080 257120 Mtexels/sec
GeForce RTX 2060 163800 Mtexels/sec
Difference: 93320 (57%)

Pixel Rate

The GeForce GTX 1080 should be much (about 57%) faster with regards to full screen anti-aliasing than the GeForce RTX 2060, and also will be able to handle higher screen resolutions while still performing well. (explain)

GeForce GTX 1080 102848 Mpixels/sec
GeForce RTX 2060 65520 Mpixels/sec
Difference: 37328 (57%)

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 1080

Amazon.com

Check prices at:

GeForce RTX 2060

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 1080 GeForce RTX 2060
Manufacturer nVidia nVidia
Year May 2016 January 2019
Code Name GP104-400 TU106-200A-KA-A1
Memory 8192 MB 6144 MB
Core Speed 1607 MHz 1365 MHz
Memory Speed 10008 MHz 28000 GB/s
Power (Max TDP) 180 watts 160 watts
Bandwidth 327680 MB/sec 344064 MB/sec
Texel Rate 257120 Mtexels/sec 163800 Mtexels/sec
Pixel Rate 102848 Mpixels/sec 65520 Mpixels/sec
Unified Shaders 2560 1920
Texture Mapping Units 160 120
Render Output Units 64 48
Bus Type GDDR5X GDDR6
Bus Width 256-bit 192-bit
Fab Process 16 nm 12 nm
Transistors 7200 million 10800 million
Bus PCIe 3.0 x16 PCIe 3.0 x16
DirectX Version DirectX 12.0 DirectX 12.0
OpenGL Version OpenGL 4.5 OpenGL 4.6

Memory Bandwidth: Bandwidth is the maximum amount of data (counted in megabytes per second) that can be moved across the external memory interface in one second. It's worked out by multiplying the bus width by its memory speed. If it uses DDR type RAM, it must be multiplied by 2 once 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, High Dynamic Range and higher screen resolutions.

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

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory per second - measured in millions of pixels per second. The figure is calculated by multiplying the number of ROPs by the the card's clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as 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, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.

Display Prices

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GeForce GTX 1080

Amazon.com

Check prices at:

GeForce RTX 2060

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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