Well, I don't know if it's really outperforming it by all THAT much, maybe not even a full stop if the iso sensitivities are real. Probably still has an edge over the 7D2 as well.
www.dpreview.com/reviews/olympus-om-d-e-m5-ii/12
OTOH, if you select the Nikon d5500 you can push that little beast +6EV and have it comparable to the EM52 and 70D pushed only 3 EV. That's some kinda clean.
Golly, Canon, what'r'ya gonna do 'bout dat?
www.dpreview.com/reviews/olympus-om-d-e-m5-ii/12
OTOH, if you select the Nikon d5500 you can push that little beast +6EV and have it comparable to the EM52 and 70D pushed only 3 EV. That's some kinda clean.
Golly, Canon, what'r'ya gonna do 'bout dat?