Radeon RX 5600 XT vs Radeon RX 6650 XT

Intro

Compare all that to the Radeon RX 6650 XT, which comes with clock speeds of 2055 MHz on the GPU, and 2190 MHz on the 8192 MB of GDDR6 RAM. It features 2048 SPUs along with 128 Texture Address Units and 64 ROPs.

Display Graphs

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Power Usage and Theoretical Benchmarks

Power Consumption (Max TDP)

Radeon RX 5600 XT		160 Watts
Radeon RX 6650 XT		176 Watts
	Difference: 16 Watts (10%)

Memory Bandwidth

In theory, the Radeon RX 5600 XT should perform a bit faster than the Radeon RX 6650 XT overall. (explain)

Radeon RX 5600 XT		344064 MB/sec
Radeon RX 6650 XT		287072 MB/sec
	Difference: 56992 (20%)

Texel Rate

The Radeon RX 6650 XT should be much (more or less 33%) faster with regards to AF than the Radeon RX 5600 XT. (explain)

Radeon RX 6650 XT		263040 Mtexels/sec
Radeon RX 5600 XT		198000 Mtexels/sec
	Difference: 65040 (33%)

Pixel Rate

The Radeon RX 6650 XT should be much (more or less 49%) more effective at full screen anti-aliasing than the Radeon RX 5600 XT, and able to handle higher resolutions while still performing well. (explain)

Radeon RX 6650 XT		131520 Mpixels/sec
Radeon RX 5600 XT		88000 Mpixels/sec
	Difference: 43520 (49%)

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 MB per second) that can be moved past the external memory interface in one second. It's calculated by multiplying the interface width by the speed of its memory. If it uses DDR RAM, it must be multiplied by 2 again. If DDR5, multiply by ANOTHER 2x. The higher the bandwidth is, 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 are applied in one second. This is worked out by multiplying the total number of texture units of the card by the core speed of the chip. The higher the texel rate, the better the graphics card will be at texture filtering (anisotropic filtering - AF). It is measured in millions of texels applied per second.

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