It’s an undisputed fact that Gcam takes better pictures than stock camera in any phone.
Modded Gcam versions are getting updated day by day and it’s tough to find out the best version for your phone as there are so many of them.
Here is the Gcam version and XML setting that is currently working best on my Poco X3 device. Please note that this is my personal opinion.
XML file that is working best for me can be downloaded here
A tutorial on how to load XML files in Gcam can be found here
Discussions on POCO X3 Photography can be found in this telegram group