[SOLVED] Help plz !

[Snakeplissken753]

im new to pc gaming andim trying to figure this thing out , ive been playing gta 5 , and for some reason , the game drops to 40 fps and stutters while driving , i checked youtube videos on youtube and people runnning it just fine with the same exact specs that i have my specs are :

i3 9100f 9gen 4cores 4 threats
GTX 1650 4gb Vram
8Gb single channel

the game only uses 30% of my gpu , and half of my ram ,

 

[rgd1101]

and cpu usage?
make and model of the psu?
ssd or hdd?

 

[Snakeplissken753]

and cpu usage?
make and model of the psu?
ssd or hdd?

CPU usage 80/60% , HDD , lux aerocool its a gaming psu

 

[sizzling]

8gb single channel RAM, that the problem. Single channel RAM seriously hurts gaming performance.