User blog comment:Undead RVD/Battle of the Sci-Fi Nightmares! The Xenomorphs vs the Necromorphs/@comment-6771148-20130415025700

Drone vs Slasher.- Edge Xeno: Drone is stronger, faster and more intelligent. Also the slasher being a melee fighter will take damage as it attacks the Drone due to its  acid blood.

Warrior vs Leaper- Edge Xeno: Warrior is slower than the leaper, but more powerful and more intelligent. The leaper being a melee fighter will take damage as it atacks the warrior cause of the acid blood.

Praetorian vs. Stalker- Edge Xeno: Stalker is not very bright and it head bashing won't be that effective against the Praetorian due to its large size. Praetorian is again more intelligent and more agile than its necromorph foe.

Predalien vs Brute- Edge Xeno: Predalien is almost sentient. It is more agile and smarter than the brute. The brute is melee fighter and is susceptible to the acid blood of the xeno-predator hybrid. However the brute also has an acid attack. This fight is the closest of xenos vs necros, if it was pure physical.

X-factors: Xenos take nearly all them ( that aren't tied) and they have big edge in intelligence.

The more intelligent xenos will use cordination to overwhelm and shread there undead alien foes.

Vote strongly goes to Xenomorphs !