The Snapdragon 670 will be Qualcomm's next sub-premium SoC. A Geekbench listing has shown the SoC delivering performance scores that actually compete with last year's Snapdragon 835.
https://www.notebookcheck.net/Purported-Snapdragon-670-benchmark-scores-show-it-trading-blows-with-the-Snapdragon-835.276942.0.html