Canon and Olympus both recently have released their latest mirrorless cameras Canon EOS M5 and Olympus E-M1 Mark II. So how is the high ISO performance on these cameras with Sony Alpha a6300 (Amazon | B&H | Adorama) and a6000 ? dpreview has updated the image comparison tool by adding these new mirrorless cameras.
At RAW mode at ISO 25600, we can clearly see that Sony a6300 is the winner, a6300>E-M1 Mark II>a6000>EOS M5.
You can try the full image comparison tool at dpreview.