expression, godan verb (-u)
be on a completely different level; be in a different league; be of a different order of magnitude
Idiomatic expression emphasizing a vast gap in quality, ability, scale, or amount. Often used in comparisons where one thing far surpasses another.
彼の実力は他の選手とは桁が違う。
His ability is on a completely different level from the other players.
このホテルのサービスは桁が違うね。
The service at this hotel is in a different league, isn't it?