For some time now, there have been various rumors about whether the whole Galaxy S21 series will come with an Exynos processor or some of its variants will get a Snapdragon chipset. Yesterday, the Galaxy S21 (SM-G991U) earned the FCC certification. According to the supporting documents, the smartphone will come with the SM8350 chipset, which is the codename for Qualcomm's Snapdragon 888 processor. Most likely, the Galaxy S21, as well as other models in the series, will use the latest Snapdragon chipset in the US and South Korea, while other countries will get the variants with the Exynos 2100 processor.
According to the FCC certification, the Galaxy S21 will also feature mmWave 5G, Wi-Fi 6, Bluetooth 5.0, NFC, and 9W reverse wireless charging. As for the battery capacity, according to the 3C certification, it will be 4000 mAh. The FCC certification also mentions the model number of a charger (EP-TA800) that represents a 25W USB Type-C fast charger. Despite this, it is rumored that the Galaxy S21 series may not come with a charger and headphones in the box.