Difference between MSFS 2024 Maximum Frame Rate setting and Riva Tuner Statistic Service (RTSS)?

Thank you. I was unaware of this issue! Is there an airliner you might recommend with the issue in question. I guess the A 350 would be analogous. No big fan of Airbus, but maybe time to change my opinion. Have a lot of hours in with the 787’s autopilot and VNAV.

Any recommendations for a reliable airliner? I have a commercial license so procedures not a problem.

PS I repeated the test taking everything out of the Community folder to see if it was my FlightBeams SFO rendition and go that same spike.

I looked up the Coherent issue and looks like not resolved. Seems to affect the cockpit display most and you can monitor on the DEV FPS display. I turned Glass Cogpit to Low and Refresh rate to low. I get a different pattern of results… boy is this a bug filled mess: