Maximum turbo frequency of Performance-cores 4.60 GHz
Efficient-cores maximum turbo frequency 3.30 GHz
Performance core base frequency 2.50 GHz
Efficient-cores base frequency 1.80 GHz

65 W base frequency and 148 W turbo frequency

2.5ghz is the base frequency which increases according to demand on the cpu

Hello to the question: The base clock is 2.5GHz ,the clock up to 4.6 GHz is only provided in turbo clock.

I made a mistake, it's all true