, developer Iron Galaxy released a significant update (Version 1.3) that officially added support for older CPUs without AVX2. Fallback Executables
Occasionally, independent programmers release modified .exe files that strip the AVX2 requirement from the engine's initialization checks.
An instruction emulator like Intel Software Development Emulator (SDE) is too slow for gaming. You need a dynamic binary translation or a runtime patcher . 2. Implementation Strategy: Proxy DLL
The community fix relies on instruction emulation, typically utilizing Intel’s Software Development Emulator (SDE) or custom-compiled dynamic-link libraries (DLLs) like tbb.dll . uncharted 4 avx2 fix
The story has a happy ending for most users. On , Iron Galaxy and Naughty Dog released patch 1.3.20812 , which officially removed the mandatory AVX2 restriction.
Fortunately, the modding community has stepped in to bridge the gap. Here is everything you need to know about the Uncharted 4 AVX2 fix and how to get Nathan Drake’s final adventure running on your hardware. Understanding the AVX2 Requirement
The game builds a massive shader cache upon first launch. If your system instabilities crash the game during this process, it can corrupt the cache. Navigate to your game directory or AppData folder. Locate and delete the psolib or shader cache folder. , developer Iron Galaxy released a significant update
For a visual walkthrough on applying the official AVX2 compatibility update:
Uncharted 4 AVX2 Fix: How to Play on Older CPUs (Legacy of Thieves)
stands for Advanced Vector Extensions 2 . In simple terms, it's a specialized set of instructions built into modern CPUs designed to handle complex mathematical calculations more efficiently. While helpful for performance, the problem arises when a game like Uncharted 4 demands this feature. You need a dynamic binary translation or a runtime patcher
The culprit behind these crashes was a strict CPU instruction set requirement: .
Check the patch notes. Official updates partially optimized the game to degrade more gracefully on older hardware, though a baseline CPU performance level is still strictly required. Alternative Solutions for Persistent Crashes
Uncharted 4 AVX2 Fix: How to Play Legacy of Thieves on Older CPUs