I don't even know. There's less meat, but many units have more health. I'm especially looking at some cave hydra with 700 HP... Haha, but anyway, you know better.
Now, the units have different stats, closer to the original. The hydra (equal in strength to a dragon) has about 300 hit points, and that's the maximum. I abandoned large numbers for reasons of convenience in calculating, as well as to enhance the relative effectiveness of tents, archer towers, battle frenzy, resilience, etc.