My Huntkey Blizzard T600 is causing frame drops during UE5 demo renders; how do I handle this?

The Huntkey Blizzard T600 is almost a joke when facing UE5's Lumen lighting; my CPU hit 98℃ and I was honestly ready to throw the PC out the window. Because the heatsink is so small, heat just piles up at the base, forcing the CPU to fluctuate wildly around 2.8GHz and tanking my FPS from 40 to 15. I tried 'Power Saver' mode in the BIOS, but that just doubled my render times—a total rookie move that I immediately regretted. I ended up swapping the front case fans for three 120mm high-static pressure fans and defined a custom PWM step curve, setting 70℃ to 100% blast. The monitoring panel showed full-load temps drop from 98℃ to 82-88℃. I actually installed the fans backward at first, so the heat just swirled inside the case, but once I flipped them, the temps actually dropped. It's loud at 45 dB, but it works. I've backed up the BIOS profile, and fans are now steady at 1200-1400 RPM.