A 65W TDP processor like my 5700X had stock power limits of 76W PPT - 60A TDC - 90A EDC you could start with those. Open Ryzen Master and run Cinebench Multi-Core benchmark, then monitor the power gauges and adjust the CO offset and Limits to suit what temperature and boost frequency you're aiming for.
Ryzen R7 5700X | B550 Gaming X | 2x16GB G.Skill 3600 | Radeon RX 7900XT