I would say the RC6 1095 is tougher than the VG10 of the A1. The VG10 might chip a little if you baton through wood and the blade hits the ground. It might nick. I have both knives.
RC6 - Tougher steel but will rust. Better suited for a survival knife IMO due to overall strength. Wont chip easily. Micarta is nice.
A1 - Stainless. More brittle. Wont rust easily. Sexy knife. Grippy handle.
Both great knives. RC6 has the warranty. A1 has the stainless. I believe that for a survival knife/camping knife, 1095 is the best choice. There are some that agree and some that do not. Thats just life. These have been my experiences with both knives. If i had to choose 1 knife only, the RC6 would be on my belt. No doubt. If you are not going to be splitting wood or chopping at all, the A1 might be the knife for you, but then you might as well get a smaller knife like the F1.
just my 0.2