more RAM onboard
improved AI AF
refresh rate of the AF system has been improved, boosting the performance of the (non-recognition-based) C-AF + Tracking mode
IBIS now rated at 8.5EV of correction
extends blackout-free shooting to some of its slower burst rates
buffer almost double the size - 256 Raw frames at 50fps or in ProCapture mode, 213 in its single (initial) AF 120fps mode up from 92
simulated graduated neutral density filter lets you adjust the severity of the gradient - hard, medium or soft edge, and whether you want it to have a 1, 2, or 3-stop impact (ND 2, 4 or 8), and adjust its position and angle
Live ND feature adds an extra stop and is now 7 stops (ND128 filter)
14-bit multi-shot hi-res Raw
vertical video mode added