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Fallout 4 launched on November 9, 2015, and more than a decade later it remains one of the most heavily played open-world RPGs on PC. From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, it is still a landmark in open-world RPG design and the winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year. For anyone building or upgrading a system today, the key point is that it is a light game by modern standards: its official requirements date from the Windows 7 era, and virtually any current gaming PC clears them without effort. What actually shapes the experience now is not raw GPU throughput but the older Creation Engine’s behaviour — a default frame rate cap tied to physics, sensitivity to single-thread CPU performance and draw calls in dense areas such as downtown Boston, and the extra load that mods and high-resolution texture packs place on VRAM and storage.
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Fallout 4 Official PC System Requirements
These are the official Fallout 4 PC system requirements as published for the game. The minimum tier is the hardware the developer lists as necessary to run it, and the recommended tier is the hardware listed for a comfortable experience. Both tiers require a 64-bit operating system.
| Component | Minimum (official) | Recommended (official) |
|---|---|---|
| OS | Windows 7/8/10 (64-bit OS required) | Windows 7/8/10 (64-bit OS required) |
| Processor | Intel Core i5-2300 2.8 GHz/AMD Phenom II X4 945 3.0 GHz or equivalent | Intel Core i7 4790 3.6 GHz/AMD FX-9590 4.7 GHz or equivalent |
| Memory | 8 GB RAM | 8 GB RAM |
| Graphics | NVIDIA GTX 550 Ti 2GB/AMD Radeon HD 7870 2GB or equivalent | NVIDIA GTX 780 3GB/AMD Radeon R9 290X 4GB or equivalent |
| Storage | 30 GB available space | 30 GB available space |
Source: the official Fallout 4 Steam store listing (app 377160), checked October 2026. Publishers can update these specs after patches.
Because both tiers were set in 2015, their practical meaning today is straightforward. Any discrete graphics card released in the last several years sits well above the recommended GeForce GTX 780 3GB / Radeon R9 290X 4GB class, and any modern quad-core or better processor clears the recommended Core i7-4790 / FX-9590 bar. The 8 GB memory figure is the one line worth exceeding: 16 GB is the sensible standard for a gaming PC that also runs a browser, a mod manager, and a large mod list alongside the game. The 30 GB storage figure covers the base install — the expansions and the high-resolution texture pack push the footprint well beyond it, and an SSD is worth having for the game’s frequent interior and fast-travel loads.
What PC Do You Actually Need in 2026?
Fallout 4 runs on the Creation Engine and is capped by default at 60 FPS because its physics are tied to frame rate; community patches and mods can lift that cap, but the cap is part of why the game stays smooth on modest hardware. The engine is more often limited by CPU work in specific locations than by the GPU, which matters when choosing parts. For a vanilla playthrough with light modding you do not need modern high-end components — the official recommended list is the realistic baseline, and anything newer is headroom rather than a necessity.
GPU Choices by Resolution and Expected Performance
The guidance below is general, based on the official tiers and how they map onto cards available today rather than on measurements made by this site. All of it assumes the vanilla game on the Ultra preset.
1080p (1920×1080) — the easy target: This is the resolution the official specs were written around. The minimum tier, a GeForce GTX 550 Ti 2GB or Radeon HD 7870 2GB, was aimed at 1080p on lower settings, while the recommended GTX 780 3GB / R9 290X 4GB tier was a 1080p Ultra card of its era. Older cards that comfortably meet the recommended spec — a GTX 1060 6GB, GTX 1660 Super, or Radeon RX 580 8GB — still have clear headroom here. A current entry-level card such as a GeForce RTX 5060 or Radeon RX 9060 XT is far beyond anything the game asks for at 1080p and is better thought of as a card for other, newer titles. The only consistent dips come from CPU-bound city areas, not from the GPU.
1440p (2560×1440) — comfortable for mid-range hardware: The official recommended GPUs were never intended for 1440p, but modern mid-range cards handle it without strain. A GeForce RTX 5060 or RTX 5060 Ti, or a Radeon RX 9060 XT, sits well above the recommended tier and leaves room for the texture mods that raise VRAM use. 8 GB of VRAM is ample for the vanilla game at this resolution; if you plan on large 2K or 4K texture overhauls, 12 GB or more removes any risk of streaming hitches when moving quickly across the world.
4K (3840×2160) — playable, and easier than most modern titles: Fallout 4 is not shader-heavy, so 4K is achievable on upper mid-range cards rather than requiring a flagship. A GeForce RTX 5070 or Radeon RX 9070 is a sensible target if you want 4K alongside heavy graphics mods and the high-resolution texture pack, largely for their larger VRAM buffers — texture streaming causes stutter at 4K far more often than shading does. A 4K display is not required for any of this, and note that the CPU-side dips in dense city areas are unchanged by resolution, so dropping to 1440p does not fix them.
CPU, RAM and Storage Notes Specific to Fallout 4
CPU: The official minimum is an Intel Core i5-2300 2.8 GHz or AMD Phenom II X4 945 3.0 GHz, and the recommended is a Core i7-4790 3.6 GHz or FX-9590 4.7 GHz — both far below any current desktop chip. Fallout 4 responds mostly to single-thread performance and draw-call handling rather than to core count, and that shows up in the dense urban areas: downtown Boston, Diamond City, and any settlement or modded location with many NPCs and objects. A modern six-core such as a Ryzen 5 7600 or a Core i5-14400 removes nearly all of the city hitching that launch-era CPUs produced. Even an entry-level current chip, such as a Core i3-12100 or Ryzen 5 5500, is a substantial step above the recommended i7-4790. If you run many script-heavy mods and build large settlements, single-core speed helps more than extra cores do.
RAM: The official requirement is 8 GB at both tiers, and that remains enough for the vanilla game. 16 GB is the practical baseline for a gaming PC in 2026 and for Fallout 4 with mods, because mod managers, browsers and texture mods all compete for memory. Capacity matters far more than speed here; DDR4-3200 or DDR5-5200 and above is fine.
Storage: The official figure is 30 GB of available space, which covers the base game. This is the most noticeable quality-of-life upgrade for Fallout 4: on a mechanical drive, interior loads and fast travel are slow and you can see micro-stutter while sprinting across the world, whereas any SATA or NVMe SSD cuts those loads sharply and makes world streaming smoother. Add the expansions and the high-resolution texture pack and the install grows well past the official 30 GB, and large texture mods add more still, so leave headroom on the drive. Keep the game on an SSD even if you use a hard drive for other titles.
Example Builds for Fallout 4 in 2026
Both builds assume 16 GB of RAM and an SSD, and both comfortably exceed the official recommended specifications. Part costs vary by region and by sales, so no figures are given here.
1. Budget 1080p Build
Target: Ultra settings at 1080p, ideal for vanilla play and light modding.
- CPU: Intel Core i3-12100 / i5-12400 or AMD Ryzen 5 5600 / 5500
- GPU: Radeon RX 6600 / RX 7600 or GeForce RTX 3050 6GB / RTX 4060
- RAM: 16 GB DDR4 3200
- Storage: 1 TB NVMe SSD
This class of system already sits far above what Fallout 4 needs, clears the official recommended spec by a wide margin, and leaves room for other, newer games at 1080p.
2. Balanced 1440p / Mod-Ready Build
Target: Ultra at 1440p with headroom to spare, or 4K, plus room for 2K/4K texture mods and lighting overhauls.
- CPU: AMD Ryzen 5 7600 / 7600X or Intel Core i5-14400 / i5-14600K
- GPU: GeForce RTX 4070 / RTX 4070 Super or Radeon RX 7700 XT / RX 7800 XT
- RAM: 16-32 GB DDR5 5600+
- Storage: 1-2 TB NVMe SSD
This is more than Fallout 4 needs, but it ensures consistent performance in the CPU-heavy city areas and when running a long mod list, and it handles modern titles well. You do not need a build stronger than this for Fallout 4 alone unless you plan to run extreme mod lists with 4K parallax textures, dense vegetation overhauls, and heavy ENB presets.
Laptop and Handheld: Steam Deck, ROG Ally and Similar Devices
Fallout 4 is very well suited to laptops and handhelds, because its requirements are so low by current standards.
Gaming Laptops: Any gaming laptop with a GTX 1650, RTX 2050, RTX 3050 Laptop, or Radeon 6500M and above will clear the official recommended spec comfortably and run Fallout 4 at 1080p on high settings. Newer laptops with an RTX 4050 or 4060 Laptop GPU have plenty of headroom for a 1440p external display. The SSD that comes standard in modern laptops solves the loading time issue automatically.
Steam Deck / ROG Ally / Legion Go: Fallout 4 is rated Playable on Steam Deck and runs well on all current handhelds. On Steam Deck OLED or LCD you can run at the device’s native resolution with settings in the High range, and on more powerful handhelds such as the ROG Ally, Ally X and Legion Go with a Ryzen Z1 Extreme, higher settings at 1080p are within reach. On handhelds, capping the frame rate to a lower, stable target is the usual way to smooth out the downtown area and to extend battery life — the game’s own physics cap already makes a moderate target the natural choice.
Settings That Boost FPS the Most in Fallout 4
Fallout 4 has no single setting that transforms performance, because even modest hardware is already well above the official requirements. If you need more headroom — particularly on handhelds or to stabilize city performance — these are the most effective changes and why they help:
- Shadow Quality and Shadow Distance: The biggest performance lever in the game. Shadows, especially distance shadows, are heavy on both CPU and GPU and are the main cause of drops in urban areas. Dropping these from Ultra to High or Medium gives a noticeable gain in Boston with minimal visual loss.
- Godrays Quality: This volumetric lighting effect is expensive relative to its visual impact. Setting it to Low or Off helps most when looking toward the sun or through fog, with little difference during ordinary gameplay.
- View Distance (Object, Actor, Item Fade): These sliders control how far the engine draws objects and NPCs. High values increase CPU draw calls significantly in dense areas. Reducing Object Fade and Actor Fade one notch from Ultra helps the downtown Boston frame rate more than lowering texture quality does.
- Weapon Debris (NVIDIA Flex): This setting adds physics debris from explosions and is demanding on both CPU and GPU. Turn it off unless you have a modern 6-core CPU and a mid-range GPU or better — the visual difference is minor.
- Ambient Occlusion and Depth of Field: Lowering these from Ultra to High gives a small gain and reduces the blur that many players prefer to disable for a clearer image, especially at 1080p.
For the smoothest experience, keep Textures on Ultra — they cost almost nothing on modern GPUs with 6GB+ of VRAM, and the official recommended cards carried 3-4 GB — and prioritize lowering shadows, godrays, and view distances first.
Final Advice for 2026
For Fallout 4 PC requirements in 2026, think CPU consistency and fast storage rather than raw GPU power. A 6-core CPU from the last few years, 16 GB of RAM, an SSD, and any current discrete GPU will let you play on Ultra with high frame rates and quick loads — the official recommended spec is the baseline, not the goal. If you plan to mod heavily, put the extra budget into VRAM and storage space rather than chasing a flagship GPU; a clean, well-managed mod list will affect stability and performance more than the difference between a mid-range and a high-end card.
