So I use Memtest86 to test my xmp profiles to make sure they are stable. The standard xmp profile was 3600mhz cl18-22-22-42 with 1.36V DRAMV and 1.39V VCCSA. I changed the timings to cl17-20-20-38 with 1.26V DRAMV and 1.05V VCCSA.

I am getting no errors in Memtest86, but I notice that doing a pass takes almost 30 minutes now, and with the original xmp settings only 15 minutes.

Does this mean the settings I have now are slower or am I missing something?