どう違うの

how is it different?

→ どう

phrase Rare #30,567

how is it different? Asks how one thing differs from another; the things being compared may be clear from context. The の ending gives the question a conversational tone.

JA: この二つの言葉はどう違うの？

EN: How are these two words different?

偽物のダイヤと本物とはどう違うのですか。

How is a fake diamond different from a real one?

ジャムとマーマレードってどう違うの？

What's the difference between jam and marmalade?

このライブとどう違うの？

How is it different from this live show?

— ビッグ・シックぼくたちの大いなる目ざめ (2017)