Radeon RX 570 vs Radeon RX 6650 XT

Intro

Compare those specifications to the Radeon RX 6650 XT, which comes with a GPU core clock speed of 2055 MHz, and 8192 MB of GDDR6 RAM set to run at 2190 MHz through a 128-bit bus. It also is made up of 2048 Stream Processors, 128 TAUs, and 64 Raster Operation Units.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 570		150 Watts
Radeon RX 6650 XT		176 Watts
	Difference: 26 Watts (17%)

Memory Bandwidth

Theoretically speaking, the Radeon RX 6650 XT should perform quite a bit faster than the Radeon RX 570 in general. (explain)

Radeon RX 6650 XT		287072 MB/sec
Radeon RX 570		229376 MB/sec
	Difference: 57696 (25%)

Texel Rate

The Radeon RX 6650 XT will be quite a bit (about 76%) more effective at texture filtering than the Radeon RX 570. (explain)

Radeon RX 6650 XT		263040 Mtexels/sec
Radeon RX 570		149504 Mtexels/sec
	Difference: 113536 (76%)

Pixel Rate

The Radeon RX 6650 XT is a lot (about 252%) more effective at FSAA than the Radeon RX 570, and should be capable of handling higher resolutions while still performing well. (explain)

Radeon RX 6650 XT		131520 Mpixels/sec
Radeon RX 570		37376 Mpixels/sec
	Difference: 94144 (252%)

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 megabytes per second) that can be moved across the external memory interface within a second. It's worked out by multiplying the bus width by its memory clock speed. If it uses DDR RAM, it must be multiplied by 2 once 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, High Dynamic Range and high 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 amount of texture units by the core clock speed of the chip. The higher this number, the better the card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels in a second.

Pixel Rate: Pixel rate is the maximum amount of pixels that the graphics card can possibly write to its local memory per second - measured in millions of pixels per second. The number is calculated by multiplying the number of Render Output Units by the the core speed of the card. ROPs (Raster Operations Pipelines - also sometimes called Render Output Units) are responsible for drawing the pixels (image) on the screen. The actual pixel rate is also dependant on lots of other factors, especially the memory bandwidth - the lower the bandwidth is, the lower the ability to get to the maximum fill rate.