@OP: Yes, AA does need more CPU/GPU power. If you disabled AA and you are still experiencing slowdowns, then your problem is your poor CPU.
ADD: Does your game needs EFB-2-RAM? If not, why you have it enabled?
ADD: Does your game needs EFB-2-RAM? If not, why you have it enabled?
Rig 1: Windows 10 Home | AMD A6-1450 @ 600/1000/1400 MHz | AMD Radeon HD Graphics 8250 | 4GB RAM | HP Pavilion TouchSmart 11.
Rig 2: Windows 10 Pro | Intel Core i7-2640M @ 780/2800/3500 MHz | Intel HD 3000 Mobile | 8GB RAM | Dell Latitude 6320.
