The search for an Uncharted 4 AVX2 fix became a digital scavenger hunt typical of the PC gaming ecosystem. Unlike a standard bug which requires a developer patch, an instruction set incompatibility is a fundamental architectural mismatch. The "fix" isn't a simple settings toggle; it usually involves an emulator or a CPU patch that intercepts these illegal instructions.
For the best experience, ensure your GPU drivers are updated to the latest version (Nvidia 526.98 or higher recommended) to avoid persistent timeouts. is now officially supported?
Because this file modifies a game executable, Windows Defender or your antivirus will likely flag it as HackTool:Win32/Keygen . This is a false positive. Add an exclusion for your game folder before downloading.
For a short time, this rendered the game unplayable on popular budget CPUs and older Intel/AMD processors (such as some Xeon models, older Core i7/i5/i3, and AMD FX series). Fortunately, a definitive fix was released, rendering complex workarounds unnecessary. The Official Solution: Patch 1.3.20812 (November 2022) uncharted 4 avx2 fix
Even with the AVX2 fix, ensure your hardware meets the other minimum requirements to avoid crashes: AVX2 fixed on old CPUs :: UNCHARTED - Steam Community
stands for Advanced Vector Extensions 2 . In simple terms, it's a specialized set of instructions built into modern CPUs designed to handle complex mathematical calculations more efficiently. While helpful for performance, the problem arises when a game like Uncharted 4 demands this feature.
A common question is whether the non-AVX2 mode will hurt performance. The short answer is: The search for an Uncharted 4 AVX2 fix
🚨 : Emulation comes at a steep cost. The SDE tool is designed for correctness, not performance . Users have reported that while menus and cinematics may run at 50–60 FPS, actual gameplay often becomes a "20 FPS slideshow" . The CPU is effectively simulating instructions in software, which can result in performance that is 10–100x slower than native execution. This method should be considered a last resort, used only for testing or if you absolutely cannot use the other fixes.
| Scene (1080p Medium) | i7-3770 (no AVX2) | i7-3770 with Fix | Ryzen 5 (native) | |----------------------|------------------|------------------|------------------| | Madagascar chase | 34 fps | 31 fps (native) | 112 fps | | Libertia tower | 28 fps | 25 fps | 98 fps | | Scotland ruins | 41 fps | 38 fps | 125 fps |
: Ensure your Windows Page File is set to "System Managed" to prevent crashes during shader compilation. For the best experience, ensure your GPU drivers
Game studios often compile with /arch:AVX2 in MSVC for vectorization and enable Intel IPP libraries that assume AVX2. Adding runtime dispatch increases QA complexity. Iron Galaxy likely prioritized performance for the majority of modern CPUs.
Before anything else, ensure your PC meets at least the minimum specs for the game, aside from the CPU:
When the Uncharted: Legacy of Thieves Collection launched on PC in October 2022, many players with older but still capable CPUs—such as the or Ivy Bridge generations—found they couldn't even launch the game. The culprit was a requirement for AVX2 (Advanced Vector Extensions 2) , a set of CPU instructions that older processors simply didn't have.