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GeForce GTX 1080 vs GeForce RTX 2060

Intro

The GeForce GTX 1080 features a GPU core speed of 1607 MHz, and the 8192 MB of GDDR5X memory is set to run at 1251 MHz through a 256-bit bus. It also features 2560 SPUs, 160 TAUs, and 64 Raster Operation Units.

Compare all of that to the GeForce RTX 2060, which has core clock speeds of 1365 MHz on the GPU, and 1750 MHz on the 6144 MB of GDDR6 RAM. It features 1920 SPUs as well as 120 Texture Address Units and 48 Rasterization Operator Units.

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

In theory, the GeForce RTX 2060 will be 5% faster than the GeForce GTX 1080 in general, because of its greater data rate. (explain)

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

Texel Rate

The GeForce GTX 1080 should be quite a bit (approximately 57%) better at anisotropic filtering than the GeForce RTX 2060. (explain)

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

Pixel Rate

If using high levels of AA is important to you, then the GeForce GTX 1080 is superior to the GeForce RTX 2060, by far. (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

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GeForce RTX 2060

Amazon.com

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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

Display 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 3500 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: Memory bandwidth is the maximum amount of data (in units of megabytes per second) that can be transported across the external memory interface within a second. It's calculated by multiplying the card's bus width by the speed of its memory. If the card has DDR memory, the result should be multiplied by 2 again. If it uses 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 amount of texture map elements (texels) that are applied in one second. This is calculated by multiplying the total number 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to its local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of colour ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka 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, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to 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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