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GeForce RTX 2080 Ti vs Radeon RX 6800

Intro

The GeForce RTX 2080 Ti makes use of a 12 nm design. nVidia has set the core frequency at 1350 MHz. The GDDR6 memory is set to run at a frequency of 1750 MHz on this model. It features 4352 SPUs as well as 272 Texture Address Units and 88 ROPs.

Compare those specs to the Radeon RX 6800, which comes with GPU core speed of 1700 MHz, and 16384 MB of GDDR6 RAM set to run at 2000 MHz through a 256-bit bus. It also features 3840 SPUs, 240 TAUs, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Both cards have the same power consumption.

Memory Bandwidth

The GeForce RTX 2080 Ti should in theory perform a little bit faster than the Radeon RX 6800 in general. (explain)

GeForce RTX 2080 Ti 630784 MB/sec
Radeon RX 6800 524288 MB/sec
Difference: 106496 (20%)

Texel Rate

The Radeon RX 6800 is a small bit (more or less 11%) faster with regards to anisotropic filtering than the GeForce RTX 2080 Ti. (explain)

Radeon RX 6800 408000 Mtexels/sec
GeForce RTX 2080 Ti 367200 Mtexels/sec
Difference: 40800 (11%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 6800 is superior to the GeForce RTX 2080 Ti, and very much so. (explain)

Radeon RX 6800 163200 Mpixels/sec
GeForce RTX 2080 Ti 118800 Mpixels/sec
Difference: 44400 (37%)

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 RTX 2080 Ti

Amazon.com

Check prices at:

Radeon RX 6800

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 RTX 2080 Ti Radeon RX 6800
Manufacturer nVidia AMD
Year September 2018 November 2020
Code Name TU102-300A-K1-A1 Navi 21
Memory 11264 MB 16384 MB
Core Speed 1350 MHz 1700 MHz
Memory Speed 1750 GB/s 2000 GB/s
Power (Max TDP) 250 watts 250 watts
Bandwidth 630784 MB/sec 524288 MB/sec
Texel Rate 367200 Mtexels/sec 408000 Mtexels/sec
Pixel Rate 118800 Mpixels/sec 163200 Mpixels/sec
Unified Shaders 4352 3840
Texture Mapping Units 272 240
Render Output Units 88 96
Bus Type GDDR6 GDDR6
Bus Width 352-bit 256-bit
Fab Process 12 nm 7 nm
Transistors (Unknown) million 26800 million
Bus PCIe 3.0 x16 PCIe 4.0 x16
DirectX Version DirectX 12 DirectX 12
OpenGL Version OpenGL 4.6 OpenGL 4.6

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

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed per second. This number is calculated by multiplying the total number of texture units by the core clock speed of the chip. The higher the texel rate, the better the graphics 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 most pixels that the graphics chip could possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on quite a few other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to get to the max fill rate.

Display Prices

Hide Prices

GeForce RTX 2080 Ti

Amazon.com

Check prices at:

Radeon RX 6800

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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