Rex
The Rex is one of the most iconic creatures in ARK. A powerful carnivore, often used as a combat mount for boss fights and base raids.
Full Rex wiki pageARK creature comparison
Rex vs Wyvern
Side-by-side ARK creature comparison: stats, traits and which is better.
Wyvern
Powerful flying predators with elemental breath attacks. Must be raised from stolen eggs. Available in Fire, Lightning, Poison, and Ice variants.
Full Wyvern wiki pageThe Verdict
Overall winner: Rex
Rex comes out ahead on raw power (score 54/100, tier B) and wins 3/4 compared stats.
Stat wins: Rex 3 – 1 Wyvern. Auto-generated summary computed from base stats — a community estimate, not an official ranking.
Stat-by-Stat Comparison
| Stat | Rex | Wyvern | Winner |
|---|---|---|---|
| Diet | Carnivore | Carnivore | — |
| Temperament | Aggressive | Aggressive | — |
| Tameable | Yes | Yes | — |
| Rideable | Yes | Yes | — |
| Health | 1100 | 1295 | Wyvern |
| Stamina | 420 | 315 | Rex |
| Oxygen | 150 | 150 | Tie |
| Food | 3000 | 1800 | Rex |
| Weight | 500 | 400 | Rex |
| Melee Damage | 1 | 1 | Tie |
| Movement Speed | 1 | 1 | Tie |
| Torpor | 1550 | 725 | — |