A Weibo user has just leaked that the next Snapdragon processor SM8475 will be launching on this May which will be manufactured by TSMC and successor to the current Snapdragon 8 series. The SM8475 represents the Snapdragon 8 Plus which uses TSMC 4nm process (as per Snapdragon 8 uses Samsung 4nm process). It has a 1+3+4 cores combination including Cortex X2, Cortex A710 and Cortex A510, clocking at 2.99Ghz.
This is currently the most powerful processor coming from Qualcomm and it could be featured on Xiaomi 12 Ultra or MIX 5.