Dell XPS 15 had undersized cooling system leading to severe CPU throttling. I replaced the stock cooling system with a CM Hyper 212 Evo. Improved my SilverURIH Benchmark score from 11,000 to 21,000! : r/techsupportmacgyver
How to Fix Throttling on the Dell XPS 15 series
Watch me struggle to repaste this overheating Dell XPS 15 laptop - YouTube