APUs are good for second builds :D , I suggested based on his use case.
His target APU 3400g would require 3200mhz dual sticks for the numbers in the reviews.
alternative: 10100f + 410 + RX 570 second hand would be a greater PC in all cases and affordable too and one can do away with single...
Nvidia (Thanos) showed signs of desperation (treated 2080ti owners as a joke .. RIP) which means AMD (Dr Strange) has got one chance to get this right with navi2 (Iron man) and bring order to the gaming world.
3200 14cl /3600 16cl these are hard to find here and at higher prices they are not worth it.
If you have to, get 3600 c18 is easy to find at good price. Provided you are able to sell your current sticks.
Diff between your current and 3600 will be 2-3% in benches only.
I am using 16GB 3200...
The lag most probably is due to single ram stick. For best performance 2 x 3200MHz RAM in dual channel.
Also, even in single channel you should check your bios to see if the RAM is indeed working rated speed, because XMP has to be set manually in bios. which stick are you using?
You can cross...