Despite the obvoious things the two guitars have in common I think they sound, play and behave very diferently, it may be personal favour interfearing with my judgement, but I think when it comes down to it if you were to swap out the pickups in both guitars the 1527 would winn every time. It's just woth so much more than it's priced.
As for the 7321 it's an okay guitar but considering what's on offer it imo doesn't compare. Feel free to dispute this all you want, I respect your opinion, I just feel very strongly about it.
+ The hardtail bridge creates a different tone, whether it's better or not is up for debate. I'm also sure the lower quality neck and neck joint provides more tonal disonance in the mix.