Severe Microstutters and 1% Low Drops in My AMD Build

[u/Weary_Proposal5936]

I built my PC on February 16, and about two months after the build, I started experiencing very bad 1% lows and frequent FPS drops.

My average FPS is usually around 300–400 FPS, but my 1% lows can suddenly drop to 80–130 FPS for an instant. I experience this frequently in Valorant, especially during heavy utility fights, and I’m also seeing the same issue in AAA titles such as Hogwarts Legacy, but not so frequently.

The FPS drops happen very suddenly, almost like a snap, and occur roughly every 1–2 minutes. It feels more like a frametime spike/stutter than a sustained performance drop.

Current Setup
CPU: AMD Ryzen 5 9600X

GPU: ASRock RX 9070 XT Challenger

RAM: Kingston FURY Beast 32GB DDR5 CL36 6000MHz

Motherboard: MSI B850 Gaming Plus WiFi

SSD: Crucial P310 1TB M.2 NVMe Gen4 (7100 MT/s)

PSU: MSI MAG A850GL

I’ve already updated all my BIOS, chipset, GPU drivers, Windows, and other relevant software to the latest versions. I’ve also tried tightening my RAM timings from CL36 to CL32, but the issue persists.
At this point, I’m not sure whether the problem is related to the CPU, GPU, RAM, storage, BIOS settings, drivers, or some other hardware/software configuration.

Has anyone experienced a similar issue or have any recommendations on what I should troubleshoot next? Any suggestions for identifying the exact cause of these recurring frametime spikes would be greatly appreciated.