GeForce GTX 1080 vs Radeon RX 6700 XT

Intro

Compare those specifications to the Radeon RX 6700 XT, which has a clock frequency of 2321 MHz and a GDDR6 memory frequency of 2000 MHz. It also makes use of a 192-bit memory bus, and uses a 7 nm design. It is made up of 2560 SPUs, 160 Texture Address Units, and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

GeForce GTX 1080		180 Watts
Radeon RX 6700 XT		230 Watts
	Difference: 50 Watts (28%)

Memory Bandwidth

In theory, the Radeon RX 6700 XT will be 20% faster than the GeForce GTX 1080 in general, because of its greater data rate. (explain)

Radeon RX 6700 XT		393216 MB/sec
GeForce GTX 1080		327680 MB/sec
	Difference: 65536 (20%)

Texel Rate

The Radeon RX 6700 XT will be a lot (approximately 44%) more effective at anisotropic filtering than the GeForce GTX 1080. (explain)

Radeon RX 6700 XT		371360 Mtexels/sec
GeForce GTX 1080		257120 Mtexels/sec
	Difference: 114240 (44%)

Pixel Rate

The Radeon RX 6700 XT will be a lot (approximately 44%) better at anti-aliasing than the GeForce GTX 1080, and will be able to handle higher screen resolutions more effectively. (explain)

Radeon RX 6700 XT		148544 Mpixels/sec
GeForce GTX 1080		102848 Mpixels/sec
	Difference: 45696 (44%)

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 megabytes per second) that can be moved across the external memory interface in one second. The number is worked out by multiplying the card's bus width by its memory speed. If it uses DDR memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The higher the memory bandwidth, the faster the card will be in general. It especially helps with anti-aliasing, HDR and higher screen resolutions.

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

Pixel Rate: Pixel rate is the most pixels the graphics card could possibly record to its local memory in a second - measured in millions of pixels per second. Pixel rate is calculated by multiplying the amount of colour ROPs by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel fill 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 max fill rate.