this post was submitted on 05 Dec 2025
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It's kind of an abomination when VsCode, supposed to be a lighter IDE, runs like dogshit compared to JetBrains, a fuckin' Java based IDE. Since when was Java light on RAM?
(Caveat: I haven't directly compared their memory usage, my experience is in very difference codebases for each)
Lmao this is quite frankly, horseshit, upvoted by people who have never used an IDE.
VScode is lightweight, snappy, and fast to open. VSCodium gives you all of that without any of the Microsoft. And even runs in a web browser.
It's not "horseshit" - I gave you a caveat precisely so that you can understand the limitations of my comparison, and so that you don't need to be so antagonistic.
I launched VSCode fresh this morning. Just now, 4 hours later, I closed it and watched my system memory usage: 1.3GB. I am doing remote development, so there's a whole server process as well which is chomping a few GB. My old laptop repeatedly ground to a halt until the OOM killer woke up/I rebooted as its measly 32GB of RAM couldn't cope with two VSCode sessions (plus other normal apps) after a while.
In my experience VSCode on Windows runs like dogshit. I blame Windows for that. VSCode on Linux runs like a dream. I can have four different sessions open and it still runs great (I haven’t tested more than that because I’ve never had a reason to).
I can confirm this has been my experience as well.
Anectdotally, the only people I know who say vscode is lightweight and snappy are devs that have have primarily used it, visual studio, jet brains, or some other common and bloated application.