As I have been saying for a while this game was going to be CPU heavy in NPC heavy areas. This is seen in Fallout 4:
https://forums.overclockers.co.uk/th...ults.18946938/
It transpires the game can be very CPU intensive:
https://www.youtube.com/watch?v=UiIQpvpdXLc
That review tests the recommended hardware and CPU scaling. Here are some screenshots:
https://imgur.com/a/8CKq8gT
Some more testing on consoles:
https://www.youtube.com/watch?v=LlStOHRI56o
The consoles can hold 30FPS but not in cities. It seems areas with lots of NPCs and firefights are CPU limited:
https://youtu.be/zTnYtbMPrxw?t=1081