I tested the RX 570 vs the 5500XT in a really heavy cpu limit (A10-7850k @100%). Some games do benefit from the rdna arch with slightly better minimum frames :) : r/realAMD
RX 570 vs RX 5500 XT 8GB Game Performance Benchmarks (i7-7700K vs i7-8700K) - GPUCheck United States / USA
GTX 1650 SUPER vs RX 5500 XT vs RX 580 vs RX 570 Test in 7 Games - YouTube