I can confirm, 22000.282, latest patch (KB5006746) all benchmarks same or slightly better than on W10 (same PC) according to my saved benchmark results.
Insider Developer version complete with last update
Build 22478 (RS_PRERELEASE) - Oct. 14
Does not exhibit problem with L3 cache at least not as much comparing to W10.
My Ryzen 3700x on Asus prime x470 pro and with Kingston 3600MHz Cl 16 RAM, with same settings. L3 was 10.1 latency with W10...
That's true, most MBs without built in TPM have at least a connector for it. My oldest one GA-990XA-UD3 (rev. 1.1) is like that, had to get and use TPM because of Bitlocker.
That reminds me of my story about giving my 3 or 4 year old nephew my Atari 800 with bunch of games on floppy disks. Although he couldn't read he just copied names of games from floppies letter by letter behind Run command (I told him about) and so started and played the games. He wasn't even...