GeForce RTX 4070 Ti vs Radeon RX 6900 XT

Intro

Compare all of that to the Radeon RX 6900 XT, which features GPU clock speed of 1825 MHz, and 16384 MB of GDDR6 RAM running at 2000 MHz through a 256-bit bus. It also features 5120 Stream Processors, 320 TAUs, and 128 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce RTX 4070 Ti		285 Watts
Radeon RX 6900 XT		300 Watts
	Difference: 15 Watts (5%)

Memory Bandwidth

Theoretically, the Radeon RX 6900 XT should be a bit faster than the GeForce RTX 4070 Ti overall. (explain)

Radeon RX 6900 XT		524288 MB/sec
GeForce RTX 4070 Ti		516096 MB/sec
	Difference: 8192 (2%)

Texel Rate

The Radeon RX 6900 XT should be a little bit (about 5%) more effective at AF than the GeForce RTX 4070 Ti. (explain)

Radeon RX 6900 XT		584000 Mtexels/sec
GeForce RTX 4070 Ti		554400 Mtexels/sec
	Difference: 29600 (5%)

Pixel Rate

The Radeon RX 6900 XT should be much (approximately 26%) better at AA than the GeForce RTX 4070 Ti, and should be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 6900 XT		233600 Mpixels/sec
GeForce RTX 4070 Ti		184800 Mpixels/sec
	Difference: 48800 (26%)

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 megabytes per second) that can be moved over the external memory interface in a second. It's worked out by multiplying the interface width by its memory speed. In the case of DDR type RAM, the result should be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the 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 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 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 applied per second.

Pixel Rate: Pixel rate is the maximum number of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of Raster Operations Pipelines by the the core clock speed. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for filling the screen with pixels (the image). The actual pixel rate also depends on lots of other factors, most notably the memory bandwidth - the lower the bandwidth is, the lower the potential to reach the maximum fill rate.