The Snapdragon Wear 5100 may feature the same CPU cores as its predecessors, contrary to previous rumours and leaks. LPDDR4x RAM support could be headed to the Wear 5100 though, which would offer some performance improvements compared to the LPDDR3 RAM in recent Snapdragon Wear SoCs.
https://www.notebookcheck.net/New-Snapdragon-Wear-5100-leak-points-to-another-iterative-upgrade-for-Qualcomm-s-wearable-SoCs.558148.0.html