I have a sapphire rx560 2gb and in some games like valorant, overwatch and more it drops big amounts of fps.
Every game feels stuttery.
CPU- I3-4160
PSU- FSP400-60GHN 85+
Motherboard- Gigabyte H81M-D3H
RAM- Unknown DDR3 2x8 1600Mhz
HDD- Toshiba DT01ACA050