A:Answer There’s really no way to tell, so it probably doesn’t matter. It’s fast period. I mean, maybe if you're trying to get the fastest input possible, like for esports or something, I would go with a Glorious model O or something, cause the weight of the g502 could slow you down, but it’s just a matter of preference. All in all, if you need that extra 0.5 seconds, I would go with a different mouse for reasons other than just response times.