same. the m1 would be much faster. also the water cooling is going to add cost which can be reused to add more Pi’s instead and I know i can run mine at 1800Mhz

same. the m1 would be much faster. also the water cooling is going to add cost which can be reused to add more Pi’s instead and I know i can run mine at 1800Mhz with a tiny heatsink via thermal paste and a 40mm fan with it not going above 65C so the cluster with a large fan would be very easy to cool