Ryzen 7 5700g rx 6600 xt bottleneck July 8, 2019 16 32 64 128 Rx 6600 xt ryzen 7 5700g Ryzen 7 5700g radeon rx 6600 xt Ryzen 7 5700x rx 6650 Ryzen 7 5700g rx 6700 xt fortnite