>>105960946
>>105961003
Also standard stuff but make sure your bios/windows/drivers/games are all up to date and your power consumption settings in the OS are set to "High Performance" and things like Energy Saver or Dynamic Refresh Rate are disabled.
Are your 1% lows good? You don't have any issues with audio hitching playing a simple song right?
You can check your DPC Latency with LatencyMon
https://www.resplendence.com/latencymon
https://www.youtube.com/watch?v=sbXzM60ad8I