https://wccftech.com/god-of-war-3-pc-rpcs3/

Performance of God of War 3 PC has been greatly improved in RPCS3 through the emulator’s most recent update.

While the game still suffers from slowdowns, the latest version of the PS3 RPCS3 emulator has boosted performance of the game by up to 100% on some occasions. Other titles that now run better on the PS3 emulator include WipEout and Sly Cooper: Thieves in Time.