Starting with GeekBench 3, the LG G5 scores a very respectable single core score of 2252 and a multi core score of 5215. (androidauthority.com)
The only processor that I've ever seen come near the A8 in single core scores is the Nvidia Tegra K1. (fortheloveoftech.com)
Compared to the original Surface Book the Surface Book 2 has a higher single core score and nearly doubles the multi-core, due to the new quad - core abilities. (windowscentral.com)