If they have the same hash they're the same event. Interested in why you're asking though
Should these 2 events be considered same by nostr relays?
Cc: nostr:npub108kuptq55xrxqc8ttfjqwwhkh7ruur7d3drm2yyp8ul9t86w9g0s3v9usw
Discussion
First is created by python-nostr library and second is created by https://snowcait.github.io/nostr-playground/
Only the second is stored by relay wss://supertestnet.nostr1.com