Radeon RX 6800 XT vs Radeon RX 6950 XT

Intro

Compare those specs to the Radeon RX 6950 XT, which uses a 7 nm design. AMD has set the core speed at 1925 MHz. The GDDR6 memory is set to run at a frequency of 2250 MHz on this specific card. 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 6800 XT		300 Watts
Radeon RX 6950 XT		335 Watts
	Difference: 35 Watts (12%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6950 XT should in theory be just a bit better than the Radeon RX 6800 XT in general. (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 will be a small bit (more or less 17%) faster with regards to 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

The Radeon RX 6950 XT should be just a bit (more or less 5%) more effective at full screen anti-aliasing than the Radeon RX 6800 XT, and capable of handling higher resolutions while still performing well. (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 largest amount of data (measured in MB per second) that can be moved over the external memory interface within a second. The number is worked out by multiplying the card's interface width by the speed of its memory. If it uses DDR RAM, it should be multiplied by 2 again. If it uses DDR5, multiply by 4 instead. The better the bandwidth is, 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 amount of texture map elements (texels) that can be applied in one second. This figure is calculated by multiplying the total texture units of the card by the core speed of the chip. The higher the texel rate, the better the video card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip could possibly write to the local memory in one second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the clock speed of the card. ROPs (Raster Operations Pipelines - sometimes also referred to as Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill rate also depends on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.