>>33399754/3 sensors use really old technology, and is 3 stops of light behind the current top full frame sensors.
The FF can just shoot at ISO 800, and achieve the same image quality as your small sensor's best ISO setting.
EM1m2's ibis is 5,5 stops
A7Riii's ibis is 5,5 stops
K-1's ibis is 5 stops
Both Full Frame systems are far ahead of your m43 after your subtract the 3 stops of light.