How strong is the 80mm compared to the 120mm?

I'm thinking of getting the 80mm (just cause i think the 120mm is a little too big), but I couldn't find any reviews of the 80mm version on eden. Ive read other reviews that say the 80mm is a little too strong, esp. since there's only one setting. Can anyone confirm this? I know vibration strength is relative, but, in comparison to the vibrations strengths of the 120mm, where does the 80mm lie? I really wish the 80mm had multiple speeds/functions like the 120mm :/