I didn't do anything fancy. I simply turned on the Developer overlay in my Apple TV 4K and played a few 4K movies (if available) in each service. The bitrates w

I didn't do anything fancy. I simply turned on the Developer overlay in my Apple TV 4K and played a few 4K movies (if available) in each service. The bitrates were consistent within each platform. I was very surprised by Apple's numbers (and HBO), so I did some Googling to confirm.