GeForce RTX 3080 Ti vs Radeon RX 6700 XT

Intro

Compare those specs to the Radeon RX 6700 XT, which has a clock speed of 2321 MHz and a GDDR6 memory speed of 2000 MHz. It also features a 192-bit memory bus, and uses a 7 nm design. It features 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6700 XT		230 Watts
GeForce RTX 3080 Ti		350 Watts
	Difference: 120 Watts (52%)

Memory Bandwidth

The GeForce RTX 3080 Ti should in theory be quite a bit faster than the Radeon RX 6700 XT overall. (explain)

GeForce RTX 3080 Ti		934297 MB/sec
Radeon RX 6700 XT		393216 MB/sec
	Difference: 541081 (138%)

Texel Rate

The GeForce RTX 3080 Ti is a little bit (more or less 18%) faster with regards to AF than the Radeon RX 6700 XT. (explain)

GeForce RTX 3080 Ti		436800 Mtexels/sec
Radeon RX 6700 XT		371360 Mtexels/sec
	Difference: 65440 (18%)

Pixel Rate

The GeForce RTX 3080 Ti is a small bit (about 3%) better at AA than the Radeon RX 6700 XT, and also capable of handling higher screen resolutions more effectively. (explain)

GeForce RTX 3080 Ti		152880 Mpixels/sec
Radeon RX 6700 XT		148544 Mpixels/sec
	Difference: 4336 (3%)

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 data (measured in megabytes per second) that can be transferred across the external memory interface within a second. The number is worked out by multiplying the card's bus width by the speed of its memory. In the case of DDR RAM, it must be multiplied by 2 once again. If DDR5, multiply by 4 instead. The better the memory bandwidth, the faster the card will be in general. It especially helps with AA, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the video card can possibly write to the local memory in one second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel fill rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.