I thought you might be interested in looking at Improve ArmA 3 performance with a low freq. cpu.
https://forums.bohemia.net/forums/topic/168925-improve-arma-3-performance-with-a-low-freq-cpu/?do=findComment&comment=2640509
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.