Before the official patch, community members developed "fixes" using tools like Intel SDE (Software Development Emulator) or custom hooks to bypass the CPU check. Performance Warning:
: While the game is now playable on older hardware, these CPUs may still experience lower frame rates and occasional stuttering compared to modern processors, as AVX2 is used to accelerate specific game functions.
: | Processor Family | AVX2 Support | |---|---| | Intel Haswell (4th-gen) and newer | ✅ Yes | | Intel Ivy Bridge (3rd-gen) and older | ❌ No | | AMD Ryzen (all series) | ✅ Yes | | AMD FX / Bulldozer | ❌ No |
While the game now launches, performance on non-AVX2 hardware varies: uncharted 4 avx2 fix new
If the system detects a CPU lacking AVX2 support, it automatically redirects the launch mechanism to separate, non-AVX2 fallback files named u4-l.exe (for Uncharted 4: A Thief's End) and tll-l.exe (for The Lost Legacy).
The primary fix for the Uncharted 4 (Legacy of Thieves Collection)
Download the latest SDE External package from the official Intel website . The primary fix for the Uncharted 4 (Legacy
If your game files are updated but your custom launcher shortcuts are broken, navigate to your root installation folder (e.g., Steamapps\common\Uncharted Legacy of Thieves Collection\ ). Look for . Creating a direct desktop shortcut from this specific "legacy" executable bypasses the launcher's automated CPU check and runs the game in non-AVX2 mode natively.
Run the modified shortcut as an administrator to bypass the hardware gate. Method 2: Selecting the Legacy Executables
: Naughty Dog and Iron Galaxy released an official update that specifically addresses the AVX2 requirement, allowing the game to run on older CPUs that only support AVX (like Intel Sandy Bridge and Ivy Bridge). Steam/Epic Games Creating a direct desktop shortcut from this specific
Fixes erratic camera behavior where frame rate fluctuations tied directly into mouse sensitivity.
Leo’s final setup:
He spent hours in the digital "underworld"—community forums and Reddit threads—searching for a map. He found whispers of a "bypass," a tool called the Intel SDE Emulator that acted like a translator. It sat between the game and the CPU, translating those modern AVX2 instructions into something his old chip could understand.
Update the game via Steam or Epic Games Store . If the game doesn't update automatically, you can verify game files on Steam to trigger the download. Alternative Workarounds
Go to the official Intel Software Development Emulator page and download the latest version for Windows.