i am getting mini stuttering , stuttering and fps drop in almost every game i played.Any driver haven't fixed this problem.
One of my friends said that when playing 60hz (native 1080) had the same problem as you but so far so good at 1440p/144hz
it looks like a bottleneck but my system enough to handle rx 5700xt. İ dont have any problem with my gtx1060
Sapphire Rx 5700 xt
AMD R5 3600
Kingston Hyperx 3000mhz cl15 2x8gb
HighPower 600w +80 bronze
Gigabyte B450M Gaming Rev 1 (bios f50 )
LG24mp58vq monitor 1080p 60hz hdmi
SSD 240 HDD 1TB 7200 RPM
Win 10 1909
Every driver same issue .