It might be that the applications are not demanding enough. Have you tried running some stress tests? That should push the CPU close to 100% just to be sure that it will get there when needed. Don't run them for too long - keep an eye on the CPU temperature... no need to stress the system for no reason.
Z690 Hero, BIOS 3401, MEI 2345.5.3.0, ME Firmware 16.1.30.2361, 7000X Case, RM1000x PSU, i9 12900K, ASUS TUF OC 3090TI, 2 x 16GB Corsair RAM @ 5200MHz, Windows 11 Pro 23H2, Corsair H150i Elite AIO, 4x Corsair RGB fans, 3x M.2 NVME drives, 2x SATA SSDs, 2x SATA HDs.