Intelligence is one of the SPECIAL Attributes in Fallout 4 (FO4). See the list of all the Intelligence perks and know what Intelligence affects in the game!

All Intelligence Perks List

Fallout 4 Intelligence Perks

Perk	Rank	Req. Level	Description	Perk ID
V.A.N.S.	1	-	The path to your closest quest target is displayed in V.A.T.S.	000207d1
Medic	1	-	Stimpaks restore 40 percent of lost Health, and RadAway removes 40 percent of radiation.	0004c926
Medic	2	18	Stimpaks now restore 60 percent of lost Health, and RadAway removes 60 percent of radiation.	0006fa1c
Medic	3	30	Stimpaks restore 80 percent of lost Health, and RadAway removes 80 percent of radiation.	0006fa1d
Medic	4	49	Stimpaks and RadAway restore all lost Health and radiation and work much more quickly.	00065e35
Gun Nut	1	-	You gain access to base level and Rank 1 gun mods.	0004a0da
Gun Nut	2	13	You gain access to Rank 2 gun mods.	0004a0db
Gun Nut	3	25	You gain access to Rank 3 gun mods.	0004a0dc
Gun Nut	4	39	You gain access to Rank 4 gun mods.	0016578e
Hacker	1	-	You can hack Advanced terminals.	00052403
Hacker	2	9	You can hack Expert terminals.	00052404
Hacker	3	21	You can hack Master terminals.	00052405
Hacker	4	33	When hacking, you never get locked out of a terminal when things go wrong.	001d245d
Scrapper	1	-	You can salvage uncommon components like screws, aluminum, and copper when scrapping weapons and armor.	00065e65
Scrapper	2	23	You can salvage rare components like circuitry, nuclear material, and fiber-optics when scrapping weapons and armor. Items with favorite components are highlighted.	001d2483
Science!	1	-	You gain access to base level and Rank 1 high-tech mods.	000264d9
Science!	2	17	You gain access to Rank 2 high-tech mods.	000264da
Science!	3	28	You gain access to Rank 3 high-tech mods.	000264db
Science!	4	41	You gain access to Rank 4 high-tech mods.	0016578f
Chemist	1	-	Any chems you take last 50 percent longer.	000e36ff
Chemist	2	16	Any chems you take now last twice as long.	000e3700
Chemist	3	42	Any chems you take now last an additional 150 percent longer.	000e3701
Chemist	4	45	Any chems you take now last an additional 200 percent longer.	001d2458
Robotics Expert	1	-	Hack a robot, and gain a chance to power it on or off or initiate a self-destruct.	0004d889
Robotics Expert	2	19	When you successfully hack a robot, you can incite it to attack.	00065e64
Robotics Expert	3	44	When you successfully hack a robot, you can give it specific commands.	001acf96
Nuclear Physicist	1	-	Radiation weapons do 50 percent more damage and Fusion Cores last an extra 25 percent longer.	001d246f
Nuclear Physicist	2	14	Radiation weapons now do double damage and Fusion Cores last an extra 50 percent longer.	001d2470
Nuclear Physicist	3	26	Fusion Cores can be ejected from Power Armor like devastating grenades, and Fusion Cores last twice as long.	001d2471
Nerd Rage	1	-	When your Health drops below 20 percent, time slows and you gain +20 Damage Resistance and do 20 percent more damage while the effect lasts.	0004d886
Nerd Rage	2	31	You now gain 30 more Damage Resistance and do 30 percent more damage while Nerd Rage is in effect.	00065e37
Nerd Rage	3	50	You now gain 40 more Damage Resistance and do 40 percent more damage while Nerd Rage is in effect. Kills you make while enraged restore some lost Health.	00065e38

Best Perks Tier List

Best Intelligence Perks

Best Intelligence Perks
Medic	Robotics Expert	Gun Nut	Nerd Rage

Medic

Medic increases the effectiveness of Stimpaks and RadAway. Stimpaks can heal you more, while RadAway can remove a larger amount of radiation damage on you.

Medic Perk - is It Worth It?

Robotics Expert

Robotics Expert allows you to hack hostile robots and turn them into allies. You can even instruct them to do other actions such as targeting a specific enemy or activating their self-destruct protocol.

Robotics Expert Perk - is It Worth It?

Gun Nut

Gun Nut grants you the ability to mod guns. Modding guns alters the stats and abilities of different weapons, allowing you to adjust them to your preferred playstyle.

Gun Nut Perk - is It Worth It?

Nerd Rage

Nerd Rage lets you enter slow-mo mode when your health falls below 20 percent and also increases your damage and resistance to attacks. This can save you at the last minute by giving you ample time to make life-saving decisions.

Nerd Rage Perk - is It Worth It?

What Does Intelligence Affect?

Experience Points

Intelligence directly affects the experience points you get from doing certain activities. You will earn more EXP the higher your Intelligence's rank.

Unlocks Intelligence Perks

Intelligence can unlock perks under it as you rank it up using perk points. Intelligence Perks gives the ability to control chem efficacy, hacking, unlock tech mods, and more!

Fallout 4 Related Guides

Fallout 4 Perk Chart

All Perks Guide