The numbers reported by Tom’s Hardware for the 5800X are fine.
Here is a list from the Geekbench 5 browser. SC score for the 5800X is around 1700±50 and MC score is around 10500±500.
These two ES 11700K cpus both had a SC score of over 1800 (1807 and 1810) and MC score of 10673 and 11304.
Intel-Core-i7-11700K-8-Core-Rocket-Lake-Desktop-CPU-Benchmark-Leak-vs-AMD-Ryzen-7-5800X-_1.png (1031×1230) (wccftech.com)
The Hot Hardware’s numbers about the 5800X (SC: 1816 and MC: 12065) are heavily overclocked results (both core frequency and RAM).
I also need to say here that the article makes a mistake chalking down Intel’s win to AVX-512. Geekbench 5 is collection of tests weighted to give a single score. Only 1-2 of those tests take advantage of AVX-512. So, this is on the most part a win for Intel without AVX-512. I also don't believe for a second that Intel will release a cpu that will get beaten
by an already existing AMD cpu and that of the same core count. Even if IPC wasn't enough they would tweak the frequency so that it edges out what the competition is offering.