The Uncharted 4 AVX2 fix successfully enables gameplay on pre-AVX2 processors via instruction emulation and CPUID masking. Performance degrades by 25–40% compared to native AVX2 hardware, but the game remains playable at lower settings. The fix represents a valuable case study for extending software compatibility without source code access. As instruction set extensions proliferate, community patches will play an increasing role in digital preservation.
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If you've applied the fix or are using the official patch and still encounter issues, try these general troubleshooting steps that work for many games:
instruction set requirement. This hardware limitation meant that players with older—yet otherwise capable—CPUs like Intel’s Sandy Bridge (i7-2600K) or Ivy Bridge (i7-3770K) were unable to even launch the game. The Official Fix: Version 1.3 November 16, 2022 uncharted 4 avx2 fix
Set a max frame rate in the NVIDIA Control Panel to 30 or 60 FPS to reduce load 1.2.5. Summary of AVX2 Requirements
: The game now detects if a CPU supports AVX2. If it does not, it automatically switches to a "fallback" executable (
The for Uncharted: Legacy of Thieves Collection (which includes Uncharted 4 The Uncharted 4 AVX2 fix successfully enables gameplay
The problem arises because Uncharted 4: Legacy of Thieves Collection on PC was compiled to rely heavily on AVX2 instructions. Unlike some other games that include "fallback" code for older processors, Uncharted 4 attempts to execute these instructions immediately upon startup. If your CPU was released before 2013 (specifically Intel 4th Gen Haswell or older), your hardware cannot understand these instructions, leading to an instant crash.
Uncharted 4 AVX2 Fix: How to Play on Older CPUs (Legacy of Thieves Collection)
Following widespread user feedback across Uncharted 4 and The Last of Us Part I (which suffered from the same issue), Iron Galaxy and Naughty Dog released official post-launch stability updates. Open your or Epic Games Store library. If you share with third parties, their policies apply
Before attempting workarounds, ensure your CPU actually supports AVX2.
: Lock your game to 30 FPS or 40 FPS using RivaTuner Statistics Server (RTSS) or your GPU control panel to stabilize frame delivery.