Vindicta Ult causing frame drops

[Thenicecommander22]

I'm unsure of the conditions. most of the time its after I scope in and get a kill that results in large drops in Frames and delay to Input. disabled anti aliasing and Upscaling tech to stretch.
System specs
12th gen intel i7 12700f 1200mhz
16gb ddr4
Rtx 3070