https://wccftech.com/snapdragon-865-variant-of-galaxy-s20-spotted-on-geekbench/

Earlier last year, Samsung stopped developing custom CPU cores for its SoCs and decided to license the tech from ARM instead. Samsung's Mongoose M5 was the last custom core design from the company. Shortly after, a rumor popped up stating that Qualcomm might not sell any Snapdragon 865 chips to Samsung. Last we heard, Samsung still might invest in making 'semi-custom' cores in partnership with AMD. Now, a purported Galaxy S20+ benchmark has appeared on Geekbench which shows the device running a Snapdragon 865.

All Galaxy S20 Models Rumored to Feature 12GB LPDDR5 RAM as Part of Their Base Configuration