Fallout 4: Intelligence Perk Fallout 4 Guide
Last update: 16 April 2024
Intelligence is a measure of your overall mental acuity, and affects the number of Experience Points earned.
V.A.N.S.
V.A.N.S. - Let Vault-Tec guide you! The path to your closest quest target is displayed in V.A.T.S. (1 Ranks)
Rank | Requirements | Description |
1 | INT 1 | Let Vault-Tec guide you! The path to your closest quest target is displayed in V.A.T.S. |
Medic
Medic - Stimpaks now restore 60% of lost Health, and RadAway removes 60% of radiation. (4 Ranks)
Rank | Requirements | Description |
1 | INT 2 | Is there a doctor in the house? Stimpaks restore 40% of lost Health, and RadAway removes 40% of radiation. |
2 | INT 2 | Stimpaks restore 60% of lost Health, and RadAway removes 60% of radiation. |
3 | INT 2 | Stimpaks restore 80% of lost Health, and RadAway removes 80% of radiation. |
4 | INT 2 | Stimpaks and RadAway restore all lost health and radiation, and work much more quickly. |
Gun Nut
Gun Nut - Shoot first, kill first, with access to base level and Rank 1 gun mods. (4 Ranks)
Rank | Requirements | Description |
1 | INT 3 | You gain access to base level and Rank 1 gun mods. |
2 | INT 3 / LVL 10 | You gain access to Rank 2 gun mods. |
3 | INT 3 / LVL 25 | You gain access to Rank 3 gun mods. |
4 | INT 3 / LVL 39 | You gain access to Rank 4 gun mods. |
Hacker
Hacker - Knowledge of cutting-edge computer encryption allows you to hack Advanced terminals. (4 Ranks)
Rank | Requirements | Description |
1 | INT 4 | Knowledge of cutting-edge computer encryption allows you to hack Advanced terminals. |
2 | INT 4 | You can hack Expert terminals. |
3 | INT 4 | You can hack Master terminals. |
4 | INT 4 | When hacking, you never get locked out of a terminal when things go wrong. |
Scrapper
Scrapper - Waste not, want not! You can salvage uncommon components like screws, aluminum, and copper when scrapping weapons and armor. (2 Ranks)
Rank | Requirements | Description |
1 | INT 5 | Waste not, want not! You can salvage uncommon components like screws, aluminum, and copper when scrapping weapons and armor. |
2 | INT 5 | You can salvage rare components like circuitry, nuclear material, and fiber optics when scrapping weapons and armor. Items with favorited components are highlighted. |
Science!
Science! - Take full advantage of advanced technology with access to base level and Rank 1 high-tech mods. (4 Ranks)
Rank | Requirements | Description |
1 | INT 6 | Take full advantage of advanced technology with access to base level and Rank 1 high-tech mods. |
2 | INT 6 / LVL 17 | You gain access to Rank 2 high-tech mods. |
3 | INT 6 / LVL 23 | You gain access to Rank 3 high-tech mods. |
4 | INT 6 / LVL 41 | You gain access to Rank 4 high-tech mods. |
Chemist
Chemist - Any chems you take last 50% longer. Far out. (4 Ranks)
Rank | Requirements | Description |
1 | INT 7 | Any chems you take last 50% longer. Far out. |
2 | INT 7 / LVL 16 | Any chems you take now last twice as long. |
3 | INT 7 / LVL 32 | Any chems you take now last an additional 150% longer. |
4 | INT 7 / LVL 45 | Any chems you take now last an additional 200% longer. |
Robotics Expert
Robotics Expert - Machines will always serve humans, if you have anything to say about it. Hack a robot, and gain a chance to power it on or off, or initiate a self-destruct. (3 Ranks)
Rank | Requirements | Description |
1 | INT 8 | Machines will always serve humans, if you have anything to say about it. Hack a robot, and gain a chance to power it on or off, or initiate a self-destruct. |
2 | INT 8 / LVL 19 | When you successfully hack a robot, you can incite it to attack. |
3 | INT 8 / LVL 44 | When you successfully hack a robot, you can give it specific commands. |
Nuclear Physicist
Nuclear Physicist - You've learned to split the atom... and command it. Radiation weapons do 50% more damage and Fusion Cores last an extra 25% longer. (3 Ranks)
Rank | Requirements | Description |
1 | INT 9 | You've learned to split the atom... and command it. Radiation weapons do 50% more damage and Fusion Cores last an extra 25% longer. |
2 | INT 9 / LVL 14 | Radiation weapons now do double damage and Fusion Cores last an extra 50% longer. |
3 | INT 9 / LVL 26 | Fusion Cores can be ejected from Power Armor like devastating grenades and Fusion Cores last twice as long. |
Nerd Rage
Nerd Rage - Genius. Is. ANGRY! When your Health drops below 20%, time slows and you gain +20 Damage Resistance and do 20% more damage while the effect lasts. (3 Ranks)
Rank | Requirements | Description |
1 | INT 10 | Genius. Is. ANGRY! When your Health drops below 20%, time slows and you gain +20 Damage resistance and do 20% more damage while the effect lasts. |
2 | INT 10 / LVL 31 | You now gain 30 more Damage Resistance and do 30% more damage while Nerd Rage is in effect. |
3 | INT 10 / LVL 50 | You now gain 40 more Damage Resistance and do 40% more damage while Nerd Rage is in effect. Kills you make while enraged restore some lost Health. |