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• Hertz is an absolute unit, which does not depend on external factors. Decibel is dependent on the reference intensity as well as the multiplication factor at the beginning of the equation.

• The definition of decibel changes depending on the type of waves, but the definition of the hertz is valid for every situation.

• Hertz has basic dimensions of per time. Since decibel is a logarithmic value multiplied by a constant, it is a dimensionless value.