Galaxy Note 8 (N9500) (Qualcomm 835)
normal mode (interactive governor) = ~1000
performance mode (performance governor) = ~800

I have just checked with my Note 8 (N9500) and Android 8 i get better results, the old report was with Android 7.1.1
those are new results
Galaxy Note 8 (N9500) (Qualcomm 835) (Android 8)
normal mode (interactive governor) = ~850
performance mode (performance governor) = ~720

I will get Android 9 in a few weeks and will redo those bench and see if it improve again…
I have tested on my wifes Galaxy S9+ (G965F) (Exynos 9810)(Android 9) and get only
normal mode (interactive governor) ~800