Panasonic Lumix G9 II vs Panasonic Lumix G9 - Which is Better?

The brand new Panasonic Lumix G9 II replaces the 6-year-old Lumix G9, but what exactly has changed, is it really worth upgrading and ultimately which one should you buy? We take a closer look in our head-to-head comparison of the Panasonic G9 II versus the Panasonic G9.