The base UI is quite bad but there are ways to improve it - either through settings and better organisation [0] or via plugins.
I’d suggest to watch a couple of tutorials specifically on 1.1 ([1] was my entry point) as every CAD program had quirks and frustrations at first. I’d say that for hobby-level creations, 1.1 now has ~80% of the usability of Solidworks, once you figure out how.
I’m not sure what’s going on with the performance on your system; I’ve used various 1.1 versions on a Windows laptop and a MacBook Pro and they’re both sufficiently performant. (I usually use a development or RC build from GitHub [2])
[0] https://youtu.be/LKq7hgbu7ks