Uncharted 4 Avx2 Fix - New

The Uncharted 4 AVX2 issue was officially resolved by Naughty Dog and Iron Galaxy in Patch 3 (v1.3), released in November 2022. This update added support for older CPUs (like the Intel Core i7-3770 or early AMD chips) that lack the AVX2 instruction set, which previously caused the game to crash on startup. 

• Cause: The new AVX2-to-SSE4 translation adds latency to the audio thread.
• Fix: In Windows Sound Settings, set your playback device to 16-bit, 44100 Hz (CD Quality). Do not use 192kHz. Also, disable "Audio Enhancements."

1. Extract the downloaded archive (e.g., sde-external-9.xx.x-win.tar.bz2). You will need a tool like 7-Zip.
2. Navigate inside the extracted folder until you find sde.exe.

Method 3: Use SDE (Software Development Emulator) – old method

• Intel’s SDE emulates AVX2, but heavy performance loss (5–15 FPS).
• Not recommended unless new fixes fail.

Warning: This method is an emulation layer and typically results in extremely poor performance, often described as a "20 FPS slideshow". Minimum System Requirements Refresher uncharted 4 avx2 fix new

or a specific launcher into the game directory. However, since these are unofficial files, there is always a security risk The Uncharted 4 AVX2 issue was officially resolved

Uncharted 4: A Thief’s End is a masterpiece of cinematic gaming, but its PC debut via the Legacy of Thieves Collection hit a major snag for users on older hardware. Many players with capable GPUs found themselves unable to launch the game because their CPUs lacked AVX2 (Advanced Vector Extensions 2) support. If you are staring at a crash-to-desktop or an error message, here is the definitive guide to the newest AVX2 fixes for Uncharted 4. Cause: The new AVX2-to-SSE4 translation adds latency to