I'm getting high response latency and frame drops in dense city areas in Assassin's Creed Shadows.

Sprinting through the streets of Kyoto felt off—there was this subtle tearing and lack of fluidity, especially in crowds. The default timings on the Crucial DDR4 3200MHz 16GB are way too loose, causing latency to fluctuate between 75-88ns, which left the CPU waiting while processing NPC logic. I tried enabling Game Mode and killing all background apps, but I only gained 2 FPS, which did nothing for the feel of the game. I went into the BIOS advanced mode, manually tightened the tRFC and tFAW secondaries, and bumped the voltage from 1.2V to 1.32V for stability. In AIDA64, read latency dropped from 82ns to 68-72ns, and the city stutters mostly vanished. I did hit a blue screen on the first attempt after tightening tRFC, but backing it off by 20 units stabilized everything. Memory temps stayed between 44-51℃. Stress tests passed, and the temperature is holding steady at 44-51℃.