WiFi being bad on RTL8852BE chipset

WiFi performance depends on many factors. Although, you’re writing about it being better in mint..
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you can check lsmod |grep rtw and for each module modinfo <module-name> look for parm
maybe you’ll find something useful.
my modinfo rtw88_core has parm: support_bf:Set Y to enable beamformee support
but it is usb dongle