Sure, Intel focuses on single thread perf, high power (241 watt max tdp), and automatically overclocks to 5.1 GHz, only if you have enough power, cooling, and a bunch of idle cores. Thus the 15% variation in submitted scores. It's also rather memory bandwidth constrained, and shows impressive numbers with a single core running.

Apple on the otherhand doesn't overclock, focuses on multi-core performance, has great memory bandwidth, and all the submitted scores are within 1%.

The M1 ultra is also 1.32x faster in the multiprocessing benchmark. Looks pretty impressive to me, even ignoring the much less power the M1 ultra uses.