Reviewing a single camera brand has always been subjective. Placing three of the latest mirrorless cameras on the market side-by-side is more fair. Some fans will be pleasantly surprised while others may feel a little uncomfortable.
The Slanted Lens has always been a great resource when comes to comparing gear that we like or would love to buy. In this episode they put the Canon R, Nikon Z7, and the Sony a7R III to the test in both stills and video mode. The comparison included dynamic range, tonality, sharpness and detail, high ISO, auto focus, and video in 4K and 1080p modes. When testing the dynamic range they underexposed and overexposed the shots by one, two, three, and four stops and then corrected the exposure back in post.
I've seen lots of standalone reviews of those cameras and there have always been conflicting opinions. Most of the time the downsides don't have anything to do with the image quality. When watching this video, I was personally most interested in the outcome from the dynamic range, tonality, and high ISO tests. The results pleasantly surprised me, because I'm using same camera brand as the overall winner. In order to keep spoilers away, I will hint you that one of the cameras was a constant loser in all of the competitions.