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Here is a detailed review about this laptop: https://www.notebookcheck.net/HP-EliteBook-820-G2-Subnotebook-Review.144671.0.html
It's from 2015, there is a full HD screen version. IIRC there was a big performance step between intel 4th and 5th gen, this laptop is 5th gen. You can still buy new batteries for this model.
I doubt this is fully "free" like the X200, but this is still a major improvement. If anything, at least it won't have Intel ME built-in.