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GeForce RTX 2080 vs Radeon RX 6800 XT

Intro

The GeForce RTX 2080 makes use of a 12 nm design. nVidia has set the core speed at 1515 MHz. The GDDR6 memory works at a speed of 1750 MHz on this specific card. It features 2944 SPUs as well as 184 Texture Address Units and 64 Rasterization Operator Units.

Compare those specifications to the Radeon RX 6800 XT, which features core clock speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 memory. It features 4608 SPUs as well as 288 TAUs and 128 Rasterization Operator Units.

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 2080 215 Watts
Radeon RX 6800 XT 300 Watts
Difference: 85 Watts (40%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6800 XT should perform a little bit faster than the GeForce RTX 2080 in general. (explain)

Radeon RX 6800 XT 524288 MB/sec
GeForce RTX 2080 458752 MB/sec
Difference: 65536 (14%)

Texel Rate

The Radeon RX 6800 XT will be much (more or less 89%) faster with regards to texture filtering than the GeForce RTX 2080. (explain)

Radeon RX 6800 XT 525600 Mtexels/sec
GeForce RTX 2080 278760 Mtexels/sec
Difference: 246840 (89%)

Pixel Rate

The Radeon RX 6800 XT will be much (more or less 141%) better at full screen anti-aliasing than the GeForce RTX 2080, and also will be able to handle higher screen resolutions without slowing down too much. (explain)

Radeon RX 6800 XT 233600 Mpixels/sec
GeForce RTX 2080 96960 Mpixels/sec
Difference: 136640 (141%)

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

Amazon.com

Check prices at:

Radeon RX 6800 XT

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 Radeon RX 6800 XT
Manufacturer nVidia AMD
Year September 2018 November 2020
Code Name TU104-400A-A1 Navi 21
Memory 8192 MB 16384 MB
Core Speed 1515 MHz 1825 MHz
Memory Speed 1750 GB/s 2000 GB/s
Power (Max TDP) 215 watts 300 watts
Bandwidth 458752 MB/sec 524288 MB/sec
Texel Rate 278760 Mtexels/sec 525600 Mtexels/sec
Pixel Rate 96960 Mpixels/sec 233600 Mpixels/sec
Unified Shaders 2944 4608
Texture Mapping Units 184 288
Render Output Units 64 128
Bus Type GDDR6 GDDR6
Bus Width 256-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 data (in units of MB per second) that can be moved past the external memory interface in a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are processed in one second. This figure is calculated by multiplying the total amount of texture units by the core clock speed of the chip. The higher the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the number of colour 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 fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the ability to reach the max fill rate.

Display Prices

Hide Prices

GeForce RTX 2080

Amazon.com

Check prices at:

Radeon RX 6800 XT

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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