GeForce RTX 3070 Ti vs Radeon RX 6800 XT

Intro

Compare those specifications to the Radeon RX 6800 XT, which has core 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 Texture Address Units and 128 Rasterization Operator Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 3070 Ti		290 Watts
Radeon RX 6800 XT		300 Watts
	Difference: 10 Watts (3%)

Memory Bandwidth

The GeForce RTX 3070 Ti should theoretically be a bit faster than the Radeon RX 6800 XT overall. (explain)

GeForce RTX 3070 Ti		622899 MB/sec
Radeon RX 6800 XT		524288 MB/sec
	Difference: 98611 (19%)

Texel Rate

The Radeon RX 6800 XT will be quite a bit (about 74%) better at anisotropic filtering than the GeForce RTX 3070 Ti. (explain)

Radeon RX 6800 XT		525600 Mtexels/sec
GeForce RTX 3070 Ti		302400 Mtexels/sec
	Difference: 223200 (74%)

Pixel Rate

The Radeon RX 6800 XT will be quite a bit (about 54%) more effective at anti-aliasing than the GeForce RTX 3070 Ti, and also should be capable of handling higher screen resolutions better. (explain)

Radeon RX 6800 XT		233600 Mpixels/sec
GeForce RTX 3070 Ti		151200 Mpixels/sec
	Difference: 82400 (54%)

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: Memory bandwidth is the max amount of data (measured in megabytes per second) that can be transferred past the external memory interface within a second. It is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by 4 instead. The higher the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and higher screen resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that can be processed in one second. This number is calculated by multiplying the total texture units by the core clock speed of the chip. The better the texel rate, the better the video 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 maximum number of pixels the video card could possibly record to the local memory per second - measured in millions of pixels per second. The figure is worked out by multiplying the amount of Raster Operations Pipelines by the the core speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the potential to get to the maximum fill rate.