romeo vs windsor CAMS

ok so im about done with my pi swap , finally.. First off this has taken me for****ingever to do, anyway I noticed that the windsor cams are MUCH lighter than the romeo cams, so i used those, still have all the other crap for the romeo's when i swap in the comps down the road... but can the windsor cams be out +/- 4 deg as well, or are they more stable?