Radeon RX 6800 XT vs Radeon RX 6950 XT

Intro

Compare those specs to the Radeon RX 6950 XT, which features GPU core speed of 1925 MHz, and 16384 MB of GDDR6 memory set to run at 2250 MHz through a 256-bit bus. It also is comprised of 5120 SPUs, 320 TAUs, and 128 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6800 XT		300 Watts
Radeon RX 6950 XT		335 Watts
	Difference: 35 Watts (12%)

Memory Bandwidth

Theoretically, the Radeon RX 6950 XT should perform just a bit faster than the Radeon RX 6800 XT overall. (explain)

Radeon RX 6950 XT		589824 MB/sec
Radeon RX 6800 XT		524288 MB/sec
	Difference: 65536 (13%)

Texel Rate

The Radeon RX 6950 XT is just a bit (approximately 17%) more effective at AF than the Radeon RX 6800 XT. (explain)

Radeon RX 6950 XT		616000 Mtexels/sec
Radeon RX 6800 XT		525600 Mtexels/sec
	Difference: 90400 (17%)

Pixel Rate

If using lots of anti-aliasing is important to you, then the Radeon RX 6950 XT is superior to the Radeon RX 6800 XT, not by a very large margin though. (explain)

Radeon RX 6950 XT		246400 Mpixels/sec
Radeon RX 6800 XT		233600 Mpixels/sec
	Difference: 12800 (5%)

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 max amount of data (counted in MB per second) that can be transferred across the external memory interface in one second. The number is calculated by multiplying the card's bus width by its memory speed. If the card has DDR RAM, the result should be multiplied by 2 again. If DDR5, multiply by 4 instead. The better the card's memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, High Dynamic Range and high resolutions.

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

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly record to the local memory in a second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of ROPs by the the card's 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 output rate is also dependant on many other factors, especially the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.