Digital Foundry is (opens in new tab) that a variety of games are actually running worse on the new hardware than on the standard PS4, despite the new Pro packing significantly more horsepower.
The problem appears to be affecting a number of titles including Skyrim, The Last of Us and Mantis Burn Racing, and appears across both 4K and 1080p displays when downsampling is used.
Issues vary from game to game, with some seeing a framerate impact throughout the game, and others, such as Rise of the Tomb Raider, seeing performance issues later on.
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These issues are being reported across a number of different TV models, including those from Samsung, LG, Sony, Philips and Vizio, but none of the various manufacturers have been able to agree exactly who’s to blame.
All of this serves as a potent reminder that 4K and are still very early in their life cycles. Standards are still up in the air to a certain extent, and while these inconsistencies exist there are going to be cases where certain combinations of hardware create difficulties for people.