Radeon RX 6750 XT vs Radeon RX 6800 XT

Intro

Compare all of that to the Radeon RX 6800 XT, which features a GPU core clock speed of 1825 MHz, and 16384 MB of GDDR6 memory set to run at 2000 MHz through a 256-bit bus. It also features 4608 Stream Processors, 288 Texture Address Units, and 128 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6750 XT		250 Watts
Radeon RX 6800 XT		300 Watts
	Difference: 50 Watts (20%)

Memory Bandwidth

The Radeon RX 6800 XT, in theory, should be a little bit faster than the Radeon RX 6750 XT in general. (explain)

Radeon RX 6800 XT		524288 MB/sec
Radeon RX 6750 XT		442368 MB/sec
	Difference: 81920 (19%)

Texel Rate

The Radeon RX 6800 XT is quite a bit (approximately 53%) faster with regards to AF than the Radeon RX 6750 XT. (explain)

Radeon RX 6800 XT		525600 Mtexels/sec
Radeon RX 6750 XT		344000 Mtexels/sec
	Difference: 181600 (53%)

Pixel Rate

The Radeon RX 6800 XT will be quite a bit (more or less 70%) more effective at AA than the Radeon RX 6750 XT, and will be capable of handling higher resolutions better. (explain)

Radeon RX 6800 XT		233600 Mpixels/sec
Radeon RX 6750 XT		137600 Mpixels/sec
	Difference: 96000 (70%)

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 max amount of data (counted in megabytes per second) that can be transported across the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. In the case of DDR type RAM, it should be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher the memory bandwidth, the better the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are processed in one second. This is worked out by multiplying the total amount of texture units by the core speed of the chip. The higher the texel rate, the better the 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 the video card can possibly write to its local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the amount of colour 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 lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the ability to reach the max fill rate.