A new Samsung Galaxy variant, purportedly the Galaxy S8 'lite', has hit the Geekbench benchmarks list and interestingly, the device seems to feature an unannounced Snapdragon 840 chipset.
https://www.notebookcheck.net/New-Samsung-Galaxy-variant-spotted-on-Geekbench-could-feature-the-Snapdragon-840.234266.0.html