Both are about 80% androsterone. However A314 is a mix of about 9 pheromones and IG is just 2. I have noticed that I am more socially interactive with IG vs. A314 and the stereotype that IG is like a more social version of A314 have been true to me.
There are threads in the archives about some people getting better hits from IG + Ammo than Ammo alone. Using that combo might give you the respect and attention from women you are looking for.