Radeon RX 550 vs Radeon RX 6800

Intro

Compare those specifications to the Radeon RX 6800, which has a clock frequency of 1700 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 3840 SPUs, 240 Texture Address Units, and 96 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 550		50 Watts
Radeon RX 6800		250 Watts
	Difference: 200 Watts (400%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6800 should be quite a bit faster than the Radeon RX 550 overall. (explain)

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

Texel Rate

The Radeon RX 6800 should be quite a bit (more or less 1059%) faster with regards to AF than the Radeon RX 550. (explain)

Radeon RX 6800		408000 Mtexels/sec
Radeon RX 550		35200 Mtexels/sec
	Difference: 372800 (1059%)

Pixel Rate

The Radeon RX 6800 will be quite a bit (approximately 827%) faster with regards to FSAA than the Radeon RX 550, and will be capable of handling higher resolutions more effectively. (explain)

Radeon RX 6800		163200 Mpixels/sec
Radeon RX 550		17600 Mpixels/sec
	Difference: 145600 (827%)

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 information (measured in megabytes per second) that can be transported across the external memory interface within a second. It's worked out by multiplying the card's interface width by the speed of its memory. If the card has DDR type memory, it must be multiplied by 2 once again. If DDR5, multiply by ANOTHER 2x. The higher 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 number of texture map elements (texels) that can be processed in one second. This number is worked out by multiplying the total texture units of the card by the core clock speed of the chip. The better the texel rate, the better the card will be at handling texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the most pixels the graphics card can possibly record to its local memory in a second - measured in millions of pixels per second. The number is worked out by multiplying the amount of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel output rate is also dependant on many other factors, especially the memory bandwidth - the lower the memory bandwidth is, the lower the potential to get to the max fill rate.