Earlier today, @iceUniverse has leaked an info that Qualcomm will be launching the Snapdragon 865 platform this July. If there is no delay, it will be brought into most of the flagship that launches later this year.
The Qualcomm Snapdragon 865 Plus is capable to reach clock speed at 3.09Ghz. This is measured on ROG Phone 3 with Antutu Benchmark.
Besides the ASUS ROG Phone 3, it is likely to be made available in Lenovo gaming smartphone, Samsung Galaxy Tab S7+.