Uncharted 4 Avx2 Fix New ((new)) May 2026

Uncharted 4 (Legacy of Thieves Collection) AVX2 requirement was a major hurdle for players with older CPUs (like Intel Sandy Bridge or Ivy Bridge), initially preventing the game from launching. The Official Fix: Patch 1.3 (v 1.3.20812) On November 16, 2022, developers Iron Galaxy

You can verify your version in the game properties to confirm you are on the "Patch 3" build or higher. Summary of Changes in Patch 3 CPU Support Added support for older CPUs without AVX2 Mouse Control Fixed camera loss in windowed mode and strafing jitters Photo Mode Improved camera speed at high framerates uncharted 4 avx2 fix new

Unofficial fixes that "emulate" AVX2 instructions often result in severe performance drops or lag because older CPUs are forced to process complex instructions they weren't built for. Stability: Uncharted 4 (Legacy of Thieves Collection) AVX2 requirement

Step 3 – The “New” Optimization Trick
Leo found a refined script from a GitHub user “AVX2Patch” (updated Jan 2025). Instead of emulating all instructions, it used selective emulation + a Vulkan wrapper to reduce overhead. Stability: Step 3 – The “New” Optimization Trick