my cpu (13900k) is not able to exceed 5500mhz dispite having a maximum speed of 5800mhz. i do not have any power limitations and there is no thermal throttling being detected. :
13th-Gen Intel Core i9-13900K Review: A Power-Hungry Beast! | Beebom
Intel Core i9-13900K 13th Gen 24 cores 8 P-cores + 16 E-cores 36M Cache, 3 to 5.8 GHz LGA1700 Unlocked Desktop Processor BX8071513900K - Best Buy
Intel Core I9-13900K Review - Same Same But Better – Pokde.Net
Review - Intel Core i9-13900K
13900K + contact frame + TG Kryonaut + 280mm AiO = ~79°C in R23 with 250W power limit // ~38k points : r/intel
Intel Core i9-13900K Review: Hot and Hungry | TechSpot