Vivo has released a series of new smartphones under its iQOO sub-brand. The iQOO devices are aimed at gamers and range from the base model with 6 GB RAM/128 GB storage up to the top-end variant (the iQOO Monster) that sports 12 GB RAM/256 GB storage. The smartphones come with a Qualcomm Snapdragon 855 SoC and some of them feature Vivo's 44 W Super FlashCharge technology.
https://www.notebookcheck.net/Vivo-s-iQOO-Monster-gaming-smartphone-offers-Snapdragon-855-12-GB-RAM-and-45-minute-full-recharge-capability-for-under-US-650.411459.0.html