GH5 - No 4:2:2 8 bit option?

[Paul250]

Hi there.

I understand the GH5 will record 422 10 bit internal, however my main use for this camera will be green screen work. I know 422 will make a huge difference but I don't think 10 bit will help that much compared to 8? It's just extra information that I probably won't use. On many Youtube reviews, there seems to be a reduction in video quality when switching from 8 to 10 bit due to the strain it puts on the camera processor I guess. I just wanted to confirm that there really isn't a 422 8 bit option or maybe find out if 10 bit actually has any advantage in chroma-keying at 150mbps.

Thanks. 

[Orangenz]

The camera is not out yet and I haven't seen a single youtube review of its green-screen work. If you want to make youtube (green-screen) videos yourself then you don't need 10bit for that either. 4k helps though.