In Game Boy Wars 3, each unit has 5 Defense stats, one for each category of unit: Unarmored, Armored, Air, Ship, and Submarine.
| Unit | Unarmored | Armored | Air | Ship | Sub |
|---|---|---|---|---|---|
| Infantry | 10 | 10 | 12 | 10 | -- |
| Mech | 12 | 14 | 16 | 14 | -- |
| Commando | 16 | 16 | 18 | 16 | -- |
| Constructor | 14 | 14 | 14 | 14 | -- |
| Supply Truck | 14 | 14 | 12 | 16 | -- |
| Supply Truck S | 16 | 16 | 12 | 16 | -- |
| Convoy | 14 | 14 | 12 | 14 | -- |
| Convoy S | 16 | 16 | 12 | 16 | -- |
| Buggy | 12 | 12 | 13 | 12 | -- |
| Buggy S | 15 | 15 | 16 | 15 | -- |
| Humvee | 14 | 14 | 14 | 14 | -- |
| Humvee S | 17 | 17 | 16 | 17 | -- |
| APC | 22 | 22 | 10 | 22 | -- |
| APC S | 24 | 24 | 12 | 24 | -- |
| Rocket Launcher | 17 | 17 | 10 | 17 | -- |
| Rocket Launcher S | 20 | 20 | 12 | 20 | -- |
| Anti-Air Tank | 20 | 18 | 20 | 16 | -- |
| Mercenary Anti-Air Tank | 26 | 30 | 20 | 30 | -- |
| Anti-Air Missile launcher | 17 | 17 | 12 | 17 | -- |
| Anti-Air Missile Launcher S | 20 | 20 | 14 | 20 | -- |
| Artillery | 18 | 18 | 12 | 18 | -- |
| Artillery S | 21 | 21 | 14 | 21 | -- |
| Infantry Fighting Vehicle | 30 | 30 | 14 | 30 | -- |
| Infantry Fighting Vehicle S | 35 | 35 | 16 | 35 | -- |
| Tank Destroyer | 35 | 35 | 16 | 40 | -- |
| Tank Destroyer S | 40 | 40 | 18 | 45 | -- |
| Main Battle Tank | 45 | 45 | 18 | 50 | -- |
| Mercenary Tank | 52 | 52 | 22 | 56 | -- |
| Fighter A | 48 | 42 | 35 | 44 | -- |
| Fighter B | 42 | 36 | 30 | 38 | -- |
| Fighter S | 56 | 50 | 40 | 52 | -- |
| Attacker A | 44 | 38 | 28 | 40 | -- |
| Attacker B | 38 | 32 | 26 | 34 | -- |
| Attacker S | 61 | 55 | 45 | 57 | -- |
| Bomber | 32 | 32 | 30 | 34 | -- |
| Mercenary Bomber | 37 | 37 | 35 | 39 | -- |
| Transport Plane | 18 | 18 | 18 | 18 | -- |
| Supply Plane | 18 | 18 | 18 | 18 | -- |
| Battle Helicopter | 27 | 27 | 20 | 28 | -- |
| Battle Helicopter S | 32 | 32 | 24 | 35 | -- |
| Anti-Submarine Helicopter | 22 | 22 | 20 | 22 | -- |
| Transport Helicopter | 20 | 20 | 18 | 20 | -- |
| Transport Helicopter S | 23 | 23 | 20 | 23 | -- |
| Aegis Warship | 75 | 75 | 75 | 65 | 52 |
| Mercenary Missile Frigate | 80 | 80 | 80 | 70 | 60 |
| Large Aircraft Carrier | 70 | 70 | 65 | 60 | 48 |
| Small Aircraft Carrier | 65 | 65 | 58 | 55 | 42 |
| Lander | 40 | 40 | 36 | 35 | 25 |
| Tanker | 30 | 30 | 24 | 25 | 22 |
| Submarine | -- | -- | 70 | -- | 57 |
| Submarine S | -- | -- | 80 | -- | 66 |