[BenchZowner]

Both have chips with and without CB/CBB.
It depends on the model and your luck ( for example some Phenom II x6 1090T have a CB some don't ).
A few chips with CB may showcase no CBB at all ( a very few actually ).
Most of the chips have a CBB however.

CB & CBB may move around ( lower or higher ) by changing the CPU PLL Voltage, the CPU active core count and/or thread count ( hyperthreading on or off ), and by changing the CPU PWM Switching frequency, and sometimes even by changing the CPU or RAM multiplier/divider.