Radeon RX 5700 XT vs Radeon RX 6900 XT

Intro

Compare all that to the Radeon RX 6900 XT, which features core speeds of 1825 MHz on the GPU, and 2000 MHz on the 16384 MB of GDDR6 RAM. It features 5120 SPUs as well as 320 Texture Address Units and 128 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5700 XT		225 Watts
Radeon RX 6900 XT		300 Watts
	Difference: 75 Watts (33%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6900 XT should theoretically be a small bit superior to the Radeon RX 5700 XT in general. (explain)

Radeon RX 6900 XT		524288 MB/sec
Radeon RX 5700 XT		458752 MB/sec
	Difference: 65536 (14%)

Texel Rate

The Radeon RX 6900 XT will be quite a bit (about 127%) better at anisotropic filtering than the Radeon RX 5700 XT. (explain)

Radeon RX 6900 XT		584000 Mtexels/sec
Radeon RX 5700 XT		256800 Mtexels/sec
	Difference: 327200 (127%)

Pixel Rate

If running with a high resolution is important to you, then the Radeon RX 6900 XT is superior to the Radeon RX 5700 XT, by far. (explain)

Radeon RX 6900 XT		233600 Mpixels/sec
Radeon RX 5700 XT		102720 Mpixels/sec
	Difference: 130880 (127%)

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 maximum amount of data (in units of MB per second) that can be transported past the external memory interface in a second. It is calculated by multiplying the interface width by its memory speed. If it uses DDR type memory, it must be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The higher the card's memory bandwidth, the better the card will be in general. It especially helps with AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum texture map elements (texels) that are applied in one second. This number 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 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 graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is worked out by multiplying the number of ROPs by the clock speed of the card. ROPs (Raster Operations Pipelines - aka Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel fill rate also depends on quite a few other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the maximum fill rate.