Unplayable gameplay in PS5....

Im livin in Hungary i have Telekom Hungary 2000/1000 mbit internet, with cat6 wired connection, Samsung Odyssey g7 144 hz 2.1 hdmi 1 ms monitor, and wired connection with my controller, but the gameplay online is horribel delayed, and laggy.... all other game working fine..

I do all troubleshooting step but nothing work....

Clear cache, rebuild database, dns change, game setting etc what youtubers said... but nothing work and all other game is fine... 

And no it not my ISP side bcs all other game is fine... 3. year in a row when the gameplay in unplayable in Hungary... boring... i never ever buy again this dog**bleep** game.