Fallout 76 Borderless Windows EXTREMELY Low FPS : r/fo76
Performance analysis: Fallout 76's 47GB patch tested on all consoles | Eurogamer.net
low fps on high end system? : r/fo76
How to Fix Fallout 76 Low FPS – 2023 Tips - Driver Easy
I noticed enabling the FPS Boost on Fallout 4 seems to lower the resolution. The 60FPS mod however let's it run dynamic 4k. The frame rate is also stable for me too.
Fallout 76 PC performance analysis – all country roads lead to 60fps