Not every modern processor easily overcomes the 100-percent frequency overclock. French enthusiast Boblemagnifique was able to overclock the processor mobile Athlon XP-M 2400 + Barton generation from 1800 to 3132 MHz under liquid nitrogen.
We know that this core was able to overclock to 3.7 GHz.
It remains to express my admiration for enthusiasts who constantly improve the results of overclocking utility, long out of production.