Ryzen 9 7900x 4090 July 8, 2019 16 32 64 128 Ryzen 9 7900x 4090 bottleneck Ryzen 9 7900x rtx 4090 Ryzen 9 7900x rtx 4090 bottleneck Amd ryzen 9 7900x rtx 4090 Ryzen 9 7900x rtx 4090 benchmark Amd ryzen 9 7900x 4090 Will a ryzen 9 7900x bottleneck a 4090 Amd ryzen 9 7900x rtx 4070 ti