The new Snapdragon 865 Plus SoC of Qualcpmm to be announced in July and it is not excluded Galaxy Note 20 be the first to "wear" it chipset.
ΗQualcomm likes to release slightly more "pumped", enhanced versions of its Snapdragon chipsets, as well as in the field of performance The overclocking for sure it helps significantly. This logic followed with last year's edition Snapdragon 855 and is going to do the same (according to his latest update leaker ice universe) and with the 865 SoCs.
So according to the schedule the Snapdragon 865 Plus is going to be announced in July and in fact the Galaxy Note 20, which is scheduled to be announced in early August, will be the first to "wear" this chipset (along possibly with the new Exynos).
In fact, information from reputable sources states that the overclocked Snapdragon 865 Plus will be available in Galaxy ZFlip 5G, OnePlus 8T and Asus ROG Phone III. Although the differences between the Plus and the simple version will certainly not be huge, but there will certainly be a difference in CPU performance, with faster graphics and better optimization for gaming.
For this one and you have a device with Snapdragon 865 more interest for you would be to wait a little, as in a few months the first smartphones with Snapdragon 875. The big difference compared to its predecessor is that it will be made with 5nm technology.