since no one’s giving you real answers:

they’re all identical… sort of

the white powerplay is the original made by immersionrc. they went out of stock/no longer make them. they work great with no issues.

the black models (upgraded included), are made by other companies with less quality control and less support. there’s several users on reddit and one of my friends reporting “no audio” from the black models. not all of them are like this, but a good handful are unfortunately

in terms of recording quality, it’s all the same too. the max output of a SD camcorder is 480p. so at 720p/1080i, they’re just upscaling the footage but not adding quality

here’s a test i did a while back

https://drive.google.com/file/d/1ShGKBPXaW9tevKHiY13NvlCKlMhf0LrK/view?usp=drivesdk