To fix the AVX2 and FMA "Not Supported" error God of War: Ragnarök
, you must bypass the game's hard-coded CPU instruction checks using community-made mods. This error typically occurs on older processors (like Intel 3rd-gen or AMD FX series) that lack modern instruction sets despite having enough raw power to run the game. The Solution: Deployment of the "Bypass Mod"
The most effective "high quality" fix involves using a specialized patcher that emulates or removes the requirement for these specific instructions. Download the Bypass Mod : Navigate to the Bypass AVX2 and FMA Instructions Requirement Nexus Mods . This mod, created by community members like , specifically targets the AVX2 and FMA checks. Installation Extract the downloaded Move the contents (typically files like version.dll or similar) into the main game directory is located. Launch via Steam/Epic
: Run the game normally. The mod should intercept the hardware check, allowing the game to boot on unsupported CPUs. Technical Report: Why This Happens The Culprit God of War: Ragnarök FMA (Fused Multiply-Add)
instructions primarily for its audio engine. Without them, the game refuses to launch to prevent severe audio crackling or desync. The Trade-off
: While mods allow the game to run, emulating AVX2 instructions can be 4-6x slower than native execution. Users have reported: Audio Glitches : Possible crackling or out-of-sync audio in cutscenes. Performance Bottlenecks how to fix god of war ragnarok avx2 fma not s high quality
: Significant CPU usage spikes, even on high-end older rigs like Xeon E5 processors. Alternative Solutions : Some users attempt to use the Intel Software Development Emulator (SDE)
, but this often results in unplayable frame rates and is not recommended for a "high quality" experience compared to Nexus mods. optimizing graphics settings to maintain stability once you've bypassed the CPU check?
You will see this error if your processor was released before approximately 2013–2014.
Intel Users:
AMD Users:
Important Note: Even if your CPU supports AVX, it must support AVX2 specifically. The error message is very literal.
Extract to a permanent location, e.g., C:\sde
Difficulty: Easy | Success Rate: 40%
Santa Monica Studio and Jetpack Interactive are aware of the backlash. Between September and October 2024, they released several hotfixes (Patch 1.0.5, 1.1, 1.2, and 1.3).
While no patch completely removes the AVX2 requirement (as it is baked into the core physics engine), Patch 1.3 (released late October 2024) introduced a fallback render path for specific GPU-culling tasks that previously relied on AVX2. To fix the AVX2 and FMA "Not Supported"
Right-click the game in Steam → Properties → Launch Options. Enter:
C:\sde\sde.exe -hsw -- "%command%"
This makes Steam launch the game through SDE automatically.
Difficulty: Expert | Success Rate: 70%
For users with modern GPUs but ancient CPUs (Core 2 Quad, AMD Phenom II), you cannot run this game natively. However, you can run a Virtual Machine (VM) with a "virtual" modern CPU.