GeForce RTX 3080 12 GB vs Radeon RX 6700 XT

Intro

Compare those specifications to the Radeon RX 6700 XT, which features a GPU core clock speed of 2321 MHz, and (Unknown) MB of GDDR6 memory running at 2000 MHz through a 192-bit bus. It also is comprised of 2560 Stream Processors, 160 TAUs, and 64 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6700 XT		230 Watts
GeForce RTX 3080 12 GB		350 Watts
	Difference: 120 Watts (52%)

Memory Bandwidth

The GeForce RTX 3080 12 GB should in theory be quite a bit faster than the Radeon RX 6700 XT overall. (explain)

GeForce RTX 3080 12 GB		934298 MB/sec
Radeon RX 6700 XT		393216 MB/sec
	Difference: 541082 (138%)

Texel Rate

The Radeon RX 6700 XT is just a bit (approximately 5%) more effective at anisotropic filtering than the GeForce RTX 3080 12 GB. (explain)

Radeon RX 6700 XT		371360 Mtexels/sec
GeForce RTX 3080 12 GB		352800 Mtexels/sec
	Difference: 18560 (5%)

Pixel Rate

The Radeon RX 6700 XT will be a small bit (more or less 5%) better at full screen anti-aliasing than the GeForce RTX 3080 12 GB, and capable of handling higher screen resolutions without losing too much performance. (explain)

Radeon RX 6700 XT		148544 Mpixels/sec
GeForce RTX 3080 12 GB		141120 Mpixels/sec
	Difference: 7424 (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: Memory bandwidth is the largest amount of data (counted in MB per second) that can be transferred across the external memory interface within a second. It is calculated by multiplying the interface width by the speed of its memory. If the card has DDR memory, it should be multiplied by 2 once 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 higher screen resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that can be applied per second. This number is calculated by multiplying the total number of texture units of the card by the core clock 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 in a second.

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