Uncharted 4 Avx2 Fix New Info
We highly recommend setting the game to Low or Medium settings and capping your framerate to 30 or 60 FPS to reduce the load on your CPU.
To apply this fix, simply connect your PC to the internet and let Steam or the Epic Games Store automatically update your installation to the latest available version. How to Manually Force the Non-AVX2 Fallback
Some mods include a custom .bat (batch) file or a modified launcher. Always launch the game through this new file rather than the standard Steam shortcut to ensure the emulation layer triggers.
AVX2 Fix | i7 3770, 16GB Ram, RX 570 4GB | #uncharted #patch uncharted 4 avx2 fix new
While the official fix successfully allows older processors to execute the game, users should adjust their performance expectations. CPU Generation Instruction Status Performance Forecast Recommended Action Native AVX2 Support Optimal framerates, efficient thread execution. Use default settings; enable DLSS/FSR. Intel 2nd & 3rd Gen (i7-2600k/3770k) Non-AVX2 Fallback ( u4-l.exe )
Body: Hey everyone — just pushed an update that fixes crashes and performance issues on CPUs with AVX2 instructions when running Uncharted 4 on PC. What’s changed:
: If the game detects an older CPU missing the AVX2 instruction set, it transparently routes the game launch through a fallback executable: u4-l.exe for Uncharted 4: A Thief's End . tll-l.exe for Uncharted: The Lost Legacy . We highly recommend setting the game to Low
The game launched! But at ~20 FPS — unplayable.
Select your main drive, set a , and set the Initial and Maximum size to at least 16384 MB (16GB) .
Which you are using (Steam, Epic Games, etc.). Always launch the game through this new file
is an extension to the x86 instruction set architecture for microprocessors from Intel and AMD. Introduced in 2013 with Intel’s Haswell architecture and AMD’s Excavator line, AVX2 expands vector processing capabilities, allowing the CPU to execute data-heavy mathematical equations much faster.
Avoid YouTube links with password-protected ZIP files. Only use the open-source GitHub release.
Best for: Users who cannot find a pre-modded executable or want a "cleaner" method that doesn't permanently alter game files.
The latest official "fix" for the AVX2 requirement Uncharted: Legacy of Thieves Collection (which includes Uncharted 4 ) was released by developer Iron Galaxy in Patch 3 (v1.3) on November 16, 2022. Official Solution (Recommended) If you are running the game through Epic Games Store , simply update your game to the latest version. Automatic Fallback: