The boosted performance comes from setting Vblank to 240 in the advanced settings, which bypasses the game's forced synchronization. Additionally, Zcull was disabled by editing the emulator's settings. While not recommended for other games, this particular tweak works wonders for MGS4.
However, there are still sections in the game where the engine deliberately drops the frame rate to 24 FPS, causing the emulator to crash.
The developers are optimistic they can resolve these issues soon.
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The video was recorded using the following hardware:
CPU – Core i7 8700k @5000MHz
RAM – 16GB DDR4 3200MHz
Graphics card – Geforce GTX 1080Ti 11GB
Storage – 256GB NVMe M.2 SSD
Source: Official YouTube channel
