4 Avx2 Fix 2021: Uncharted

Intel Core i7 First, Second, and Third Generation (e.g., Nehalem, Sandy Bridge, Ivy Bridge like the i7-2600K or i7-3700K) Older AMD Phenom or early FX-series processors Certain budget Intel Pentium or Celeron chips How to Fix the AVX2 Crash in Uncharted 4

Note: Because this emulates hardware instructions through software, it introduces massive CPU overhead and will significantly lower your framerate. uncharted 4 avx2 fix

Following significant community feedback regarding accessibility on older hardware, the developers released official post-launch patches aimed at improving CPU compatibility. Open your game launcher (Steam or Epic Games Store). Intel Core i7 First, Second, and Third Generation (e

| Platform | CPU | AVX2 Support | RAM | GPU | |----------|-----|--------------|-----|-----| | Legacy | Intel Core i7-3770 (Ivy Bridge) | No | 16GB | GTX 1660 Ti | | Modern | AMD Ryzen 5 5600X | Yes | 32GB | RTX 3060 | | Minimal | Intel Pentium G2020 (Ivy Bridge) | No | 8GB | GTX 1050 Ti | | Platform | CPU | AVX2 Support |

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

The fix installs a global hook on __cpuid / __cpuidex . When the game queries AVX2 support (leaf 7, EBX bit 5), the hook returns 0 , forcing the engine into a legacy SIMD path. Additionally, the hook masks OSXSAVE bits to prevent AVX2 activation.

WINEDLLOVERRIDES="version=n,b" wine U4.exe