so fun fact: I was recently curious how the RasPi4 compared to my 15-year old Dell Precision M65 (Intel Core Duo T2400).
I ran the sysbench CPU test on each, and the M65 trounced the RasPi4, being over 3x as fast in single-core (and about 1.5x as fast in multicore, which makes sense with the T2400 being 2-core to the RasPi's 4-core).
So the RasPi4 (a cheap-class SoC) remains slower than a performance-class PC from 14 years prior. Moore's law certainly helped in peformance-per-watt and performance-per-dollar, but if pure perfomance is what you want... I don't think there's anything available to consumers outside of Apple's offerings.