GeForce RTX 3070 Ti vs Radeon RX 6800

Intro

Compare those specs to the Radeon RX 6800, which has a GPU core clock speed of 1700 MHz, and 16384 MB of GDDR6 RAM running at 2000 MHz through a 256-bit bus. It also features 3840 SPUs, 240 TAUs, and 96 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6800		250 Watts
GeForce RTX 3070 Ti		290 Watts
	Difference: 40 Watts (16%)

Memory Bandwidth

In theory, the GeForce RTX 3070 Ti will be 19% faster than the Radeon RX 6800 overall, because of its greater data rate. (explain)

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

Texel Rate

The Radeon RX 6800 should be quite a bit (about 35%) better at AF than the GeForce RTX 3070 Ti. (explain)

Radeon RX 6800		408000 Mtexels/sec
GeForce RTX 3070 Ti		302400 Mtexels/sec
	Difference: 105600 (35%)

Pixel Rate

If using a high resolution is important to you, then the Radeon RX 6800 is the winner, but not by far. (explain)

Radeon RX 6800		163200 Mpixels/sec
GeForce RTX 3070 Ti		151200 Mpixels/sec
	Difference: 12000 (8%)

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 maximum amount of information (in units of MB per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's interface width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the better the card will be in general. It especially helps with AA, High Dynamic Range and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be processed per second. This number is worked out by multiplying the total number of texture units of the card by the core clock speed of the chip. The higher this number, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of colour ROPs by the the card's clock speed. 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 rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.