I think i found solution kinda strange but did worked for me. I hope i will work for others to
Download : "Razer Game Booster" - use google
Install and Launch "Razer Game Booster"
Go to UTILITIES--->DEFRAG press it and use button ADD GAME point to WoTLauncher.exe (Default location C:\Games\World_of_Tanks ) then press defrag
After finish defrag repeat defrag the only thing this time select WorldOfTanks.exe (Default location C:\Games\World_of_Tanks ) and then press defrag
after all defragging finish press GAMES at the top of Razer app
and Launch game if you can find there World of Tanks use appropriate buttons and add game to "Razer Game Booster"
This way i got back to the same frame rate (FPS) and ping