: For those looking to play PS3 backups on modern hardware, the RPCS3 emulator on a high-end PC is currently the most viable option. Legitimate Ways to Play PS3 Games on PS4
Direct conversion is not possible due to fundamental differences in hardware architecture: ps3 to ps4 pkg converter
: The PS3 uses a unique Cell Broadband Engine (PowerPC-based), while the PS4 uses an x86-64 Jaguar CPU . : For those looking to play PS3 backups
: Some utilities, like PS Multi Tools , can create fPKGs for PS1, PS2, or PSP games to run on PS4 via official Sony emulators. However, PS3 games are notably absent from this list because the PS4 lacks a built-in PS3 emulator. However, PS3 games are notably absent from this
While you may find tools that claim to do this, the reality of PlayStation hardware and software architecture makes such a conversion extremely complex. The Reality of PS3 to PS4 Conversion
: Software such as orbis-pub-gen is used to create PKG files for jailbroken PS4s, but they require PS4-native files to function.
: To run a game from a different architecture, the console must "emulate" the old hardware. The PS4 does not have enough raw processing power to emulate the complex PS3 Cell processor effectively.