You asked

Canon eos r6 vs panasonic lumix s1?

Here is what the site says about that.

From Canon EOS R6: Canon EOS R6: A mirrorless camera by Canon with a 20.1-megapixel full frame sensor, announced in 2020. Stabilised and excellent in low light; 20MP is enough for most work. Specs - Maker: Canon - Mount: Canon RF - Sensor: Full frame, 36 x 24mm, crop factor 1.0 - Resolution: 20.1 megapixels - Stabilisation: in the body - Announced: 2020 - Type: mirrorless camera Focal lengths on it Full frame is the reference size: ...

From Panasonic Lumix S1: Panasonic Lumix S1: A mirrorless camera by Panasonic with a 24.2-megapixel full frame sensor, announced in 2019. Panasonic's first full-frame body: big and rugged, with a superb viewfinder. Specs - Maker: Panasonic - Mount: L-Mount - Sensor: Full frame, 36 x 24mm, crop factor 1.0 - Resolution: 24.2 megapixels - Stabilisation: in the body - Announced: 2019 - Type: mirrorless camera Focal lengths on it Full frame is the reference size: lenses frame ...

Quoted from this site's pages.

From these pages