Pentax K5IIs ISO 204,800- HA HA!
Yes, entirely possible.
I also wonder what possibilities there would be for a sensor with both large and small pixels, to get the best of each.
The intuitive mind is a sacred gift, the rational mind is a faithful servant.
We have created a society that honors the servant and has forgotten the gift. - Albert Einstein
Science... became Scientism, which means it didn't just pursue its own truths, it aggressively denied that there were any other truths at all... Ken Wilber
Coincidence is God's way of remaining anonymous - Albert Einstein