The comparison will be subjective. One will retain full detail (24-bit color) and the other will not. The "better" will be subjective, as I said. I wish Photos

The comparison will be subjective. One will retain full detail (24-bit color) and the other will not. The "better" will be subjective, as I said. I wish Photoshop gave the option to save an 8-bit PNG with a FULL alpha channel—that's what this seems to do.