how resounding was camela Harris's debate win let's look at the polls early results show Harris won by a historically large margin and Trump voters acknowledged that and said it could impact their vote vice president camela Harris turned in one of the more resounding debate performances in recent decades on Tuesday night to the point where Donald Trump's allies have struggled to locate a silver lining precisely how much the debate could impact the race is an open question as my colleague Dan balls notes we're a very polarized country and we don't generally see big and sudden shifts in polls anymore but small margins can matter greatly in our increasingly tight elections and Harris clearly helped her cause so just how emphatic was her win and what do the poll suggest about what it could mean moving forward the CNN poll showed Harris winning the debate 63% to 37% among debate Watchers while the yugov poll showed her winning 54 to 31 among registered voters who watched at least some of the debate with 14% unsure Trump has cited his own improbably wide margins in some unscientific online polls posting a series of them on Truth social but those polls don't reflect the actual electorate notably those margins are close to the ones Trump racked up after President Joe Biden's disastrous debate performance on June 27th a performance that ultimately led him to drop out of the 2024 race back then the CNN poll showed Trump winning the debate 67 to 33 while the ugv poll showed Trump winning 43-22 Harris's performance