Assuming that they are clad in the same clothing/armour/whatever-suits-your-heretical-fancy...

Incubi are supposed to be founded by the original Phoenix Lord of the Striking Scorpions. They're pretty much Scorpions without the focus on sneaking and ambushing that Karandras introduce to temper their original "Murder EVERYTHING" attitude.

Incubi have evolved a lot more. If anything they embody what it means to walk the path of war utterly, to be dedicated solely to death, to the kill.

Scorpions on their own are not that, even as Exarchs they are not. Incubi both in gameplay and otherwise are differing.

That's fine and good but lets see them in action.

>She was a Howling Banshee and parried blows from a necron’s blade, the energised sword gripped in her hand flashing faster than the eye could follow to deflect precise strikes that would have removed her arm or head. The shuriken pistol in her other hand whined and the immortal warrior, towering above her, raised its great coffin-shaped shield to deflect them. She ducked beneath the shield and screamed in rage, channeling all her emotions over her impending death into the shout. Her Banshee mask turned her fury into a monstrous howl that momentarily rocked her foe. She drove her power sword deep into her opponent’s body before spinning. The blade came free, bisecting the necron’s torso.

>Maireth barely felt the pain of the necron’s last blow as its hyperphase sword split her from groin to sternum and–

The banshee just lost to a Lychguard in a funny way. Ergo, they suck

Does it mean?

Isnt it said that Dark Eldar are physically stronger than their craftworld counter parts? I imagine Howling Banshees are more efficient though

Yes, they take great pride in physical prowess.

>REEEEEEEEEEEEEEE

>The rain of tears represents a depthless sorrow that the Banshees use as a weapon, stealing the soul of those who witness it and turning their blood to ice.

>To them, there is no greater pleasure than turning the poignant fury and despair of the Eldar race into a weapon, another tool in the arsenal of the craftworlds with which to destroy their foes.

Oh god it's true.

>The warriors of the Dark Eldar are tall and lithe without exception. Their alabaster skin is corpse-like in its pallor, for there is no true sunlight within their shadowy realm. The Dark Eldar prize martial prowess above all other fields of achievement, excepting perhaps duplicity. Their athletic physiques are lined with whipcord muscle, honed and enhanced until they are superior even to those of their craftworld cousins.

Though it's one of those differences that's not significant enough to represent in their TT stats. Much like the strength difference between Ork Boyz and regular Eldar of any kind/regular Humans/Tau.

...

There is a 50% chance the Banshee is a dude.

Well Wyches are shit and banshees have Battle Focus so no.