GeForce RTX 3080 Ti vs Radeon RX 6800

Intro

Compare all that to the Radeon RX 6800, which has 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 is made up of 3840 SPUs, 240 Texture Address Units, and 96 Raster Operation Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6800		250 Watts
GeForce RTX 3080 Ti		350 Watts
	Difference: 100 Watts (40%)

Memory Bandwidth

Theoretically speaking, the GeForce RTX 3080 Ti is 78% quicker than the Radeon RX 6800 in general, due to its greater bandwidth. (explain)

GeForce RTX 3080 Ti		934297 MB/sec
Radeon RX 6800		524288 MB/sec
	Difference: 410009 (78%)

Texel Rate

The GeForce RTX 3080 Ti is a small bit (approximately 7%) faster with regards to AF than the Radeon RX 6800. (explain)

GeForce RTX 3080 Ti		436800 Mtexels/sec
Radeon RX 6800		408000 Mtexels/sec
	Difference: 28800 (7%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 6800 is the winner, though not by far. (explain)

Radeon RX 6800		163200 Mpixels/sec
GeForce RTX 3080 Ti		152880 Mpixels/sec
	Difference: 10320 (7%)

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

Specifications

Memory Bandwidth: Bandwidth is the largest amount of information (in units of MB per second) that can be transferred across the external memory interface in one second. It is worked out by multiplying the card's bus width by the speed of its memory. If it uses DDR memory, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster 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 amount of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total number of texture units by the core speed of the chip. The better 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 a second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card can possibly record to the local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate also depends on many other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the max fill rate.