Why does my Jinyue X99 Titanium D4 keep dropping frames in Avowed?
While exploring the forest zones in Avowed, I noticed my CPU clock speeds were randomly tanking from 3.5GHz down to 1.8GHz during intense firefights, which made the game feel like a slideshow. I checked HWiNFO and saw the VRM temperatures on my Jinyue X99 Titanium D4 hitting 75-82℃, which was clearly triggering some aggressive thermal throttling. I tried switching to the Windows High Performance power plan, but it did absolutely nothing, which was honestly pretty frustrating. I eventually dove into the BIOS, nuked every single power-saving option, and forced the power management to Maximum Performance. After that, the core voltage stopped jumping wildly between 1.10V and 1.30V and settled into a stable 1.22-1.25V range. Frame times dropped from a messy 15-40ms down to a crisp 9-16ms. I did hit a blue screen the first time I disabled C-states, but bumping the memory voltage to 1.38V fixed the instability. Now the VRMs stay around 70-76℃ with fans humming at 1900-2200 RPM. Everything is saved in the BIOS and the game is finally playable.
