GeForce GTX 980 Ti vs Radeon RX 6600 XT

Intro

Compare all that to the Radeon RX 6600 XT, which comes with a core clock speed of 1968 MHz and a GDDR6 memory speed of 2000 MHz. It also features a 128-bit memory bus, and uses a 7 nm design. It features 2048 SPUs, 128 TAUs, and 64 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600 XT		160 Watts
GeForce GTX 980 Ti		250 Watts
	Difference: 90 Watts (56%)

Memory Bandwidth

In theory, the GeForce GTX 980 Ti should perform a lot faster than the Radeon RX 6600 XT overall. (explain)

GeForce GTX 980 Ti		336000 MB/sec
Radeon RX 6600 XT		262144 MB/sec
	Difference: 73856 (28%)

Texel Rate

The Radeon RX 6600 XT should be much (about 43%) faster with regards to anisotropic filtering than the GeForce GTX 980 Ti. (explain)

Radeon RX 6600 XT		251904 Mtexels/sec
GeForce GTX 980 Ti		176000 Mtexels/sec
	Difference: 75904 (43%)

Pixel Rate

If using a high screen resolution is important to you, then the Radeon RX 6600 XT is the winner, and very much so. (explain)

Radeon RX 6600 XT		125952 Mpixels/sec
GeForce GTX 980 Ti		96000 Mpixels/sec
	Difference: 29952 (31%)

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 maximum amount of data (measured in megabytes per second) that can be transported past the external memory interface in one second. It is worked out by multiplying the interface width by its memory clock speed. If the card has DDR type memory, it must be multiplied by 2 once again. If it uses DDR5, multiply by 4 instead. The better 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 amount of texture map elements (texels) that can be applied per second. This figure is calculated by multiplying the total amount of texture units of the card by the core speed of the chip. The better this number, the better the video card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in one second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly write to the local memory in one second - measured in millions of pixels per second. Pixel rate is worked out by multiplying the number of Render Output Units 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 lots of other factors, most notably the memory bandwidth - the lower the memory bandwidth is, the lower the potential to reach the max fill rate.