Radeon RX 5500 XT vs Radeon RX 6900 XT

Intro

Compare all of that to the Radeon RX 6900 XT, which comes with a clock speed of 1825 MHz and a GDDR6 memory speed of 2000 MHz. It also features a 256-bit memory bus, and uses a 7 nm design. It features 5120 SPUs, 320 Texture Address Units, and 128 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5500 XT		130 Watts
Radeon RX 6900 XT		300 Watts
	Difference: 170 Watts (131%)

Memory Bandwidth

In theory, the Radeon RX 6900 XT should be 129% faster than the Radeon RX 5500 XT in general, due to its higher data rate. (explain)

Radeon RX 6900 XT		524288 MB/sec
Radeon RX 5500 XT		229376 MB/sec
	Difference: 294912 (129%)

Texel Rate

The Radeon RX 6900 XT will be much (more or less 287%) better at anisotropic filtering than the Radeon RX 5500 XT. (explain)

Radeon RX 6900 XT		584000 Mtexels/sec
Radeon RX 5500 XT		151096 Mtexels/sec
	Difference: 432904 (287%)

Pixel Rate

The Radeon RX 6900 XT is quite a bit (more or less 325%) more effective at FSAA than the Radeon RX 5500 XT, and also able to handle higher screen resolutions while still performing well. (explain)

Radeon RX 6900 XT		233600 Mpixels/sec
Radeon RX 5500 XT		54944 Mpixels/sec
	Difference: 178656 (325%)

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 data (in units of MB per second) that can be moved past the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. In the case of DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by ANOTHER 2x. The better the bandwidth is, the faster the card will be in general. It especially helps with anti-aliasing, HDR and high resolutions.

Texel Rate: Texel rate is the maximum amount of texture map elements (texels) that are applied per 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 texture filtering (anisotropic filtering - AF). It is measured in millions of texels processed in one second.

Pixel Rate: Pixel rate is the maximum amount of pixels the graphics card could possibly write to the local memory in one second - measured in millions of pixels per second. The figure is worked out by multiplying the number of Render Output Units 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 fill rate is also dependant on lots of other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the potential to reach the max fill rate.