Hi, This issue has been initially described in another thread but I decided to start a separate one. I noticed on my B660-I Gaming, that any negative voltage offset causes noticeable negative performance impact. As the example - results of Cinebench R23 (multithreaded) stock settings: 12700 points 0.05 voltage offset: 12200 points 0.08 voltage offset: 7100 points.
This issue is not present on other Asus B660 motherboards - it's working properly on B660M Plus. It doesn't matter if APE is enabled or not - CPU performance is affected.
My CPU is i5 12500.
It would be good, if someone from Asus tech team compares the behavior of those two motherbaords and make a fix for B660-I as currently undervolting on this motherboard doesn't work at all.
Hi Shosiu, Our tech team confirmed the results are expected. They tested ROG STRIX B660-I GAMING WIFI and TUF GAMING B660M-PLUS WIFI motherboards and the results are the same. The points are getting lower with voltage offset(undervolting), as CPU performance will be affected by voltage. Also, CPU clock is an indictor of performance, but cannot fully represent CPU performance. Thank you.