Radeon RX 6600 vs Radeon RX 6600 XT

Intro

Compare those specs to the Radeon RX 6600 XT, which uses a 7 nm design. AMD has set the core speed at 1968 MHz. The GDDR6 RAM runs at a speed of 2000 MHz on this particular model. It features 2048 SPUs along with 128 Texture Address Units and 64 Rasterization Operator Units.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 6600		132 Watts
Radeon RX 6600 XT		160 Watts
	Difference: 28 Watts (21%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6600 XT should perform a bit faster than the Radeon RX 6600 in general. (explain)

Radeon RX 6600 XT		262144 MB/sec
Radeon RX 6600		229376 MB/sec
	Difference: 32768 (14%)

Texel Rate

The Radeon RX 6600 XT should be quite a bit (approximately 38%) more effective at AF than the Radeon RX 6600. (explain)

Radeon RX 6600 XT		251904 Mtexels/sec
Radeon RX 6600		182112 Mtexels/sec
	Difference: 69792 (38%)

Pixel Rate

The Radeon RX 6600 XT is much (approximately 21%) better at anti-aliasing than the Radeon RX 6600, and also capable of handling higher resolutions better. (explain)

Radeon RX 6600 XT		125952 Mpixels/sec
Radeon RX 6600		104064 Mpixels/sec
	Difference: 21888 (21%)

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 information (counted in MB per second) that can be transported over the external memory interface in one second. It is worked out by multiplying the bus width by the speed of its memory. If the card has DDR memory, the result 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 AA, HDR and high resolutions.

Texel Rate: Texel rate is the maximum number of texture map elements (texels) that are applied in one second. This number is calculated by multiplying the total amount of texture units 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 in a second.

Pixel Rate: Pixel rate is the maximum number of pixels that the graphics chip can possibly record to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the number of Raster Operations Pipelines by the the card's clock speed. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for outputting the pixels (image) to the screen. 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 ability to get to the maximum fill rate.