Unnamed 8-core Tiger Lake-H processors from Intel have been producing incredible 1-core scores on UserBenchmark in HP ZBook Studio G8 and HP ZBook Create G8 laptops, although the multi-core scores were quite poor. The mysterious Intel Tiger Lake-H chips recorded a base clock of 3.1 GHz in the benchmark entries.
https://www.notebookcheck.net/8-core-Tiger-Lake-H-processors-in-HP-ZBook-Studio-G8-and-ZBook-Create-G8-laptops-wreck-the-UserBenchmark-1-core-charts.516259.0.html