DPReviewTV decided to cover 4k and 6k in depth for those that haven’t experimented with them yet. I hope the next generation of m43 cameras are able to perform these captures in RAW since I never shoot JPEG, but this feature could be useful for photographers that do not mind shooting RAW.
Panasonic GH5: B&H Photo / Amazon / Adorama
Panasonic Lumix DC-G9: B&H Photo / Amazon / Adorama