I play on PS5, mostly Cod MW3.
I noticed that my in-game ping and the ping on my R3 router never match.
I want to say that on the R3 graph under Geofilter, my ping is always the same 10-12ms, which is impossible because my ping to the ISP server is about 30ms, and in games it is usually between 40 and 60ms.
When I try steady ping expert, it becomes even weirder, I set, for example, a 60ms target ping and then it adds 60ms to the current ping in the game, so that in the end I have 100+ ms ping in the game, and the graph from R3 still shows 10-12ms.
In Pingheatmap, it shows me exactly how much ping I have in the game, but not in Geofilter, as I said above.