FPS sags (Mass Effect 3)

Hi. Recently decided yet again to play MP in ME3. See uncomfortable drawdown frames (from 60 to 36 to 40). When I played in 2017, the year the comp worse, this was not observed. What could be the problem?
PC: Xeon x3470 / GTX 1060 3 Gb / 16 Gb RAM / Win10 x64, 1903. Accordingly, the license. The rest games, including more modern, this kind of sore do not suffer. Danced with graphics, there is no sense