80+ Rating

Hi, there! So, I know quite a lot about the White vs. Bronze vs. Gold vs. Platinum vs. Titanium ratings, how they are implemented etc. and I also know very well that the rating only gives an indication about the efficiency at certain loads and doesn't really indicate much about the components'...

is there any much differences between: Seasonic S12II-620 620W - 80+ Bronze Certified - 5 Years Warranty Replacement - Retail Box (NO OEM) and Seasonic M12II-520 Evo Edition 520W Full Modular - 80+ Bronze Certified - 5 Years Warranty Replacement - Retail Box (NO OEM) because in my area /...