The POCO X3 Pro has been one of the most popular phones of 2021 and now it has a successor: the POCO X4 Pro 5G is here. For many, it will be time to decide if it is worth buying the POCO X4 Pro 5G , or if it is better to opt for the previous model, the POCO X3 Pro . In this renewal of the best-selling POCO there have been many changes, so you must take into account several factors when deciding if the POCO X4 Pro or the POCO X3 Pro is…