UPDATE 3/2/17 8:45pm: Sony has confirmed boost mode and offered a statement about its capabilities. According to word received by , boost mode “lets PS4 Pro run at a higher GPU and CPU clock speed in order to improve gameplay on some PS4 games that were released before the launch of PS4 Pro. Games that have a variable frame rate may benefit from a higher frame rate, and load times may be shorter in some games too.”
UPDATE 3/2/17 7:52pm: Since publishing this story, the 4.5 system software update has started to roll out in volume to beta testers, and we can fully confirm that boost mode is indeed a real feature coming to PlayStation 4 Pro users. Digital Foundry will be putting this feature through its paces as soon as possible. In the meantime, here’s a look at the option as it appears on the English version of the firmware.
Original story: Sony has revealed , including long-awaited support for external hard drives, but if reports online are to be believed, it seems that the new firmware also adds ‘boost mode’ support to PlayStation 4 Pro, allowing non-patched standard PS4 games to tap into the power of the new hardware.