In the main version of Vscode it will give me micro stutters when I use WSR+ vocola. _So far_ there's been none of that with vscodium, however this could be because as with this fresh install there's no plugins.
I gave up on vscode when it locked up on a 32gb machine. Seeing that there's analytics code inside clears that right up. I assumed the problems I had with electron based apps were the overhead of running a browser on top of the application. The real problem is that it's running 1990s omniture code. Thankfully they haven't added auto-play video to the search yet...
Regular VSCode takes about 100MB Ram on my Laptop. And I can't remember the last time it crashed on a 32GB machine. I think you're talking out of your a.