Specs Comparison: a7R IV Vs. a7R III Vs. Nikon Z7 Vs. Panasonic S1R

Here is a quick specs of new announced Sony a7R IV with other similar cameras: a7R III, Nikon Z7, Panasonic Lumix S1R. You can see full specs comparison at this page.

Note: Sony a7R IV will be available for pre-order soon at B&H Photo Video/Adorama/Amazon/Focus Camera.