I have a AMD A10-9700 apu (so I have an FM2+ socket), 8gb of RAM, and a 2gb 560 GPU, and when I play open world games such as Assassin's Creed Origins or Watch Dogs 2 at low graphics at 1080 or 970 I get 20 to 30 fps max.
In Assasin's Creed some NPC models don't load, I get extreme lag spikes...