If yo can afford it just buy GeForce GTX 980 Ti or better. I run i7-4960X 3.6 GHz and 16 GB RAM. Ever since I switched from Geforce GTX 650 to GeForce GTX 980 Ti my script lag is gone. I only get sporadic (split of the second) lag in large cities like Whiterun, Solitude or Windhelm.

Active Mod Files: [spoiler][xml] 00 Skyrim.esm 01 Update.esm 02 Unofficial Skyrim Patch.esp [Version 2.1.3b] 03 Dawnguard.esm 04 Unofficial Dawnguard Patch.esp [Version 2.1.3b] 05 HearthFires.esm 06 Unofficial Hearthfire Patch.esp [Version 2.1.3b] 07 Dragonborn.esm 08 Unofficial Dragonborn Patch.esp [Version 2.1.3b] 09 Master of Disguise - Legendary.esm 0A ApachiiHairMales.esm 0B BeeingFemale.esm [Version 2.5] 0C SexLab.esm [Version 1.60] 0D CreatureFramework.esm [Version 1.0.0] 0E Devious Devices - Assets.esm [Version 2.8.3] 0F SexLabAroused.esm [Version 2.5] 10 ZaZAnimationPack.esm 11 Devious Devices - Integration.esm 12 CompanionArissa.esm 13 ReadBooksAloud.esm 14 MFVM.esm 15 hdtHighHeel.esm 16 TERAArmors.esm 17 ApachiiHairFemales.esm 18 Gray Fox Cowl.esm 19 Schlongs of Skyrim - Core.esm 1A ApachiiHair.esm 1B daymoyl.esm 1C Devious Devices - Expansion.esm 1D Outfit & Armors Merger.esp 1E TouringCarriages.esp 1F Cutting Room Floor.esp [Version 1.1.6] 20 Skyrim_Strap_Ons.esp 21 ChasingTheDragon.esp 22 Extended UI.esp [Version 1.2.0d] 23 UltimateCombat.esp 24 SlaveTats.esp 25 JZBai_ThrowingWpnsLite.esp 26 Horsemen Combat Enhancement.esp 27 display-model.esp 28 Apropos.esp 29 Better Stealth AI for Followers.esp [Version 3.4] 2A Convenient Horses.esp 2B Epic Music Overhaul.esp 2C UIExtensions.esp 2D AddItemMenu.esp ++ sandboxcylinderheight.esp 2E dD Enchanted Chests.esp 2F NecroAnims.esp 30 JZBai_Hidespots.esp 31 Devious Devices For Him.esp 32 LWPlayerHeadTracking.esp 33 DD - Interactions.esp 34 Dr_BandolierDG.esp 35 DSerModdedLoot.esp 36 College of Winterhold Entry Requirements.esp 37 Private Needs Discreet.esp [Version 1.9.1] 38 SexLab Cumshot.esp [Version 1.7.1] 39 CrimeDecay.esp 3A SOS - Smurf Average Addon.esp 3B Get Out Of My Way.esp 3C MoreNastyCritters.esp 3D FloraRespawnFix.esp 3E FollowerAsCompforFllrMods.esp 3F BloodthirstVampireFeeding.esp 40 SkyRe_Main.esp [Version USKRP2.5.2] 41 Guard Dialogue Overhaul.esp 42 RaceMenu.esp 43 HeartBreaker.esp [Version 3.3] 44 SOS - VectorPlexus Muscular Addon.esp 45 Followers_StealthKills.esp 46 iHUD.esp 47 RaceMenuPlugin.esp 48 Lock Overhaul.esp 49 LockDoorsWithKeys.esp 4A LookCloser.esp 4B LootandDegradation.esp ++ moveitLWT.esp 4C ERSO 03 - Mighty Dragons.esp 4D mintylightningmod.esp ++ Proper Aiming.esp 4E PumpingIron.esp 4F FollowersPickEquipment.esp 50 SexLabSquirtR.esp 51 SexLab TDF Aggressive Prostitution.esp 52 NPCWaterAIScripted.esp 53 SexLabDefeat.esp 54 mslDeviousCaptures.esp 55 SexLabNudeCreatures.esp 56 SexLabNudeCreaturesDB.esp 57 SexLabNudeCreaturesDG.esp 58 SexLabTools.esp 59 SexLab_PaySexCrime.esp 5A Weapons & Armor Fixes_Remade.esp 5B ReadBooksAloud - Skyrim + 3 DLC's.esp 5C Wintermyst - Enchantments of Skyrim.esp 5D Duke Patricks - Armor Drowns.esp [Version 2.1] 5E RealisticWaterTwoMerged.esp 5F Clothing & Clutter Fixes.esp 60 RealisticFunctionalBoats.esp 61 Reinforcements.esp 62 Helgen Reborn.esp [Version 105.3] ++ SkyRe_SIC Crossbowfix.esp [Version v6.1.2] 63 SkyUI.esp 64 SOS - VectorPlexus Regular Addon.esp 65 TKDodge.esp ++ Traps Make Noise.esp 66 TrueStorms.esp 67 UntieBoats.esp 68 ViewableFactionRanksBothDLC.esp 69 VioLens.esp [Version 2.1] 6A CombatDramaOverhaul.esp 6B WAFR Pre ReProccer Patch.esp 6C OBIS.esp 6D NoAnimalsReportCrimes-DG+DB+MOD.esp 6E OBISDB.esp 6F Civil War Overhaul.esp 70 FireAndIceOverhaul.esp 71 HDT Havok Object.esp 72 OBIS Loot.esp 73 WetandCold.esp 74 WetandCold - Ashes.esp 75 XPMSE.esp 76 zzLSARAddon.esp 77 FCO - Follower Commentary Overhaul.esp 78 Better Vampires.esp 79 marriagemod - alpha v3.esp 7A MarriedKhajiitXtras.esp 7B marriagemod - hf.esp 7C SkyRe_EncounterZones.esp 7D Holidays.esp 7E LocalizedGuildJobs.esp 7F Thieves Guild Requirements.esp 80 ThievesGuildReq_LocalizedGuildJobs_Patch.esp 81 Hothtrooper44_ArmorCompilation.esp 82 banditmodfinalversion.esp 83 HireServants.esp 84 Inigo.esp 85 AmazingFollowerTweaks.esp 86 Immersive Weapons.esp 87 WeaponsArmorFixes_ImmersiveWeapons_Patch.esp 88 ERSO 29 - DPMO.esp 89 Daedric Dawnbreaker.esp 8A DDB_Skyre_Patch.esp 8B SkyRe_EnemyScaling.esp 8C EstrusChaurus.esp 8D SPTDiverseGuardsSkyrim.esp [Version 4.9b] 8E TERAArmors_CBBE.esp 8F Inconsequential NPCs.esp 90 ERSO 09.2 - Radiance.esp 91 Populated Dungeons Caves Ruins for USKP.esp 92 CCF PreReProccer Patch.esp 93 Destructible_bottles.esp 94 MixedUnitTactics.esp 95 BeeingFemaleBasicAddOn.esp 96 Cloaks.esp 97 ERSO 07 - Mighty Dragon Priests.esp 98 WhitBBM.esp [Version 1.6.] 99 LC_immersiveLoot.esp 9A SkyrimSewers.esp [Version 4.11] 9B Populated Forts Towers Places.esp 9C Bring Out Your Dead.esp [Version 3.0] 9D CerwidenCompanion.esp 9E Devious Deviants.esp 9F Schlongs of Skyrim.esp A0 Tera Armor Level List.esp A1 GriptzionTeleportMenuSpell.esp A2 Cloaks - Dawnguard.esp A3 DeadlyDragons.esp A4 Physics Merge.esp A5 Dragon Combat Overhaul.esp A6 UltimateDragons.esp A7 PCEA DG n DB DLC for SkyRe_Races.esp A8 Followers Merged 3.esp A9 DeadlyMutilation.esp AA PriestsOfTERA.esp AB HothFollower.esp AC SexLab-AmorousAdventures.esp AD SkyRe_StandingStones.esp AE Storefront.esp [Version 1.0.6] AF SkyRe_Races.esp B0 SofiaFollower.esp B1 Populated Skyrim Prisons Cells.esp B2 khajiifix.esp B3 Predator Vision.esp B4 Provincial Courier Service.esp [Version 1.2.5] B5 Crossbows_Basic_Collection_EN_LL.esp B6 FGT.esp B7 Dr_Bandolier.esp B8 BandolierForNPCMasterFile.esp [Version 4.0] B9 BandolierForNPCsCloaksOfSkyrim.esp BA OBISCloaks&IA7.esp BB Skyrim Immersive Creatures.esp [Version v6.5.2a] BC Skyrim Immersive Creatures - DLC2.esp [Version v6.5.2a] BD SkyRe_EnemyAI.esp BE SkyRe_SiC_Patch.esp [Version SiC6.1.2] BF Rebirth Monster.esp C0 Rebirth Monster - SIC Patch.esp [Version v1] C1 DagonFavor.esp C2 Master of Disguise Patches Merged.esp C3 TimingIsEverything.esp C4 SOS - Shop.esp C5 Horsemen.esp C6 daymoyl_DawnguardAddon.esp C7 NPC Knockout Overhaul.esp ++ Wintermyst - SkyRe Compatibility Patch.esp C8 zzEstrus.esp C9 ERSO 10.08 - Immersive Mercenaries.esp CA The Paarthurnax Dilemma.esp [Version 1.2.9] CB Extended Encounters.esp CC NPCs On Horses ERSOmized.esp CD Vampirelordroyal.esp CE BVandRB_Formlist.esp CF WerewolfMastery.esp D0 Real Feeding V3.esp D1 TC-CRF.esp D2 Gildergreen Regrown.esp [Version 1.2.6] D3 ERSO 05 - Dovah Holy Book.esp D4 Equipping Overhaul.esp D5 Lokir's House.esp D6 LycHairstyler.esp D7 SkyRe_Combat.esp D8 vMYC_MeetYourCharacters.esp D9 srmcompanioncart.esp DA Gray Fox Cowl - Alternative Start.esp DB zzLSAR.esp DC Tes Arena - Skyrim Frontier Fortress.esp DD Open Cities Skyrim.esp [Version 1.1.3] DE Open Cities Patches Merged.esp DF Alternate Start - Live Another Life.esp [Version 3.0.4] E0 Immersive Citizens - AI Overhaul.esp E1 Immersive Citizens - CRF patch.esp E2 Immersive Citizens - PCS patch.esp E3 Immersive Citizens - OCS patch.esp E4 MF_RadiantProstitution.esp E5 OCS + Skyrim Sewers.esp [Version 1.0.3] E6 Sneak Tools.esp E7 TES5 Edit merge patch.esp E8 Scarcity - Less Loot Mod.esp ++ ERSO 02.1 - Realistic Animal Loots.esp ++ ERSO 14 - Vendors richer and Inns more expensive.esp ++ ERSO 14.03 - Vendor Soul Gems Only Empty And Very Rare.esp ++ ERSO 14.04 - Vendor Animal Parts Less Common.esp ++ ERSO 14.05 - Vendor A Bit Less Minerals.esp ++ Scarcity - 2x Merchant Item Rarity.esp ++ Scarcity - 4x Loot Rarity.esp E9 Bashed Patch, 0.esp EA Pre ReProccer WAFR IA7 IW Patch.esp EB Automatic Variants.esp EC WintermystPatcher.esp ED ReProccer.esp EE Post ReProccer Fixes IA7 IW Patch.esp EF LoversComfort.esp F0 SexLab Romance.esp F1 KhajiitSpeakMerger2.esp F2 FISS.esp F3 TakeNotes.esp F4 Warburg's 3D Paper World Map - Texture 2.esp F5 warburg's 3d paper world map - dawnguard.esp F6 Warburg's 3D Paper World Map - Dragonborn.esp [/xml][/spoiler]