Radeon RX 550 vs Radeon RX 6800 XT

Intro

Compare that to the Radeon RX 6800 XT, which comes with a clock frequency of 1825 MHz and a GDDR6 memory speed of 2000 MHz. It also makes use of a 256-bit bus, and makes use of a 7 nm design. It features 4608 SPUs, 288 Texture Address Units, and 128 ROPs.

Display Graphs

Hide Graphs

Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550		50 Watts
Radeon RX 6800 XT		300 Watts
	Difference: 250 Watts (500%)

Memory Bandwidth

As far as performance goes, the Radeon RX 6800 XT should in theory be quite a bit superior to the Radeon RX 550 in general. (explain)

Radeon RX 6800 XT		524288 MB/sec
Radeon RX 550		114688 MB/sec
	Difference: 409600 (357%)

Texel Rate

The Radeon RX 6800 XT is a lot (about 1393%) faster with regards to texture filtering than the Radeon RX 550. (explain)

Radeon RX 6800 XT		525600 Mtexels/sec
Radeon RX 550		35200 Mtexels/sec
	Difference: 490400 (1393%)

Pixel Rate

If using high levels of AA is important to you, then the Radeon RX 6800 XT is superior to the Radeon RX 550, by a large margin. (explain)

Radeon RX 6800 XT		233600 Mpixels/sec
Radeon RX 550		17600 Mpixels/sec
	Difference: 216000 (1227%)

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 max amount of data (counted in megabytes per second) that can be transported past the external memory interface in one second. The number is worked out by multiplying the interface width by its memory speed. In the case of DDR memory, it should be multiplied by 2 again. If it uses DDR5, multiply by ANOTHER 2x. The better the memory bandwidth, the better 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 texture map elements (texels) that can be applied in one second. This figure is worked out by multiplying the total texture units by the core speed of the chip. The better the texel rate, the better the graphics 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 video card can possibly write to the local memory in a second - measured in millions of pixels per second. The figure is calculated by multiplying the amount of colour ROPs by the the core clock speed. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for outputting the pixels (image) to the screen. The actual pixel output rate is also dependant on quite a few other factors, most notably the memory bandwidth of the card - the lower the bandwidth is, the lower the ability to reach the maximum fill rate.