Quote Originally Posted by Sylver123 View Post
I might be wrong but i`m sure it's because of the CPU QPI speed goes up the higher the BCLK, therefore giving the CPU a performance boost and that's why people say higher BCLK is better.

Or am I completely wrong and misunderstood those people that say higher BCLK is better?
In R3E you can use a bclk of 133 MHz and have uncore clock at 4000 MHz.

Raising ONLY the bclk isn't giving any speed improvement.
By sure in some mobo it is the only way to increase some other parameters (like uncore clock and QPI link speed) that do help obtaining more speed.