If anyone here knows about cpus kindly explain this to

Question

If anyone here knows about cpus kindly explain this to

me, the concept of branch prediction states that the cpu predicts branches or groups of instructions likely to be executed and checks if it right, and if it's right, it buffers the instructions. How is that efficient enough, if it has to check if it's right every time, wont that be the same without branch prediction or even faster without? if i'm wrong someone help me understand

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10.10.2019