I spent some time to get lsp-mode working earlier this year. It took me more time to declutter the amount of stuff it put on screen than what it took to setup. In fact they have a page about this https://emacs-lsp.github.io/lsp-mode/tutorials/how-to-turn-o...
After turning off 2/3 of these, the experience has been stable and supports almost everything. I experienced clangd crashes, but lsp-mode was always able to recover. I'm not too fond of the reliance of treemacs (don't particularly like treemacs behavior in general).
I just tried briefly eglot. It worked right out of the box, and the default "output" on screen seems to match what I left enabled for lsp-mode, which seems sane to me. xref integration seems to highlight methods with cc-mode (lsp-mode doesn't).
Some lsp features are missing. For example I couldn't find an equivalent for "incoming call hierarchy". Not a show stopper.
I would need to spend some good time to see which one provides less overhead, for example.