Uncharted 4 Avx2 Fix Fixed

Not sure if your processor is affected by this issue? Here are three easy ways to check:

This case joins other preservation efforts (e.g., SSE2 fixes for older games on Pentium III).

The modded executable is superior for performance. However, the Intel SDE is more stable and won't corrupt your save file. uncharted 4 avx2 fix

CPU microcode and Windows power plan

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. Not sure if your processor is affected by this issue

You will likely experience this issue if you are running the game on:

| Method | Resolution | Avg FPS (Jungle Level) | 1% Low FPS | Stability | | :--- | :--- | :--- | :--- | :--- | | No fix | 1080p | Crash on launch | N/A | 0/10 | | Intel SDE (Method 1) | 720p (Low) | 28 FPS | 18 FPS | 7/10 (Micro-stutters) | | Modded EXE (Method 2) | 1080p (Medium) | 42 FPS | 31 FPS | 8/10 (Occasional crash) | However, the Intel SDE is more stable and

cd C:\sde sde.exe -hsw -- "C:\Games\Uncharted\UNCHARTEDLegacyofThievesCollection\u4.exe"