Gaussian units vs Lorentz-Heaviside units

[spaghetti3451]

The $e^2$ of Gaussian units becomes $\frac{e^2}{4 \pi}$ in Lorentz-Heaviside units.

Is this the only difference between Gaussian units and Lorentz-Heaviside units?

 

[Dale]

There are some other differences. This table summarizes them.
http://en.wikipedia.org/wiki/Centim...ensions_of_the_CGS_system_to_electromagnetism