While there's plenty to like about the PlayStation 4 Pro for l33t gamers lucky enough to own a 4K HDR TV, the console offers less of a visual upgrade for those stuck with mere 1080p TVs.

Now, a new report looking at PS4 Pro performance has revealed that in some cases games perform worse on the PS4 Pro than a standard PS4 when plugged into a 1080p television.

The report, which comes from graphics analysis guru Digital Foundry, found that because the PS4 Pro opts to run games at a higher resolution or implement additional graphical effects—some games even run at higher than 1080p resolution and scale down, a process known as super-sampling—they run slower than on a standard PS4. This is contrary to Sony's technical requirements, which require games to match or exceed base PS4 frame rates.

Several high-profile titles like Watch Dogs 2, Skyrim, and The Last of Us run better on the older hardware. Watch Dogs 2 on PS4 Pro runs at a higher 1800p resolution via checkerboard upscaling but suffers from game tearing and dropped frames. Skyrim runs at a native 4K resolution and down-samples, but again suffers from frame rate drops. Surprisingly, Sony's in-house title The Last of Us also suffers from performance issues in both 1800p 60FPS mode, and 4K 30FPS mode, dropping frames where the standard PS4 doesn't.

Currently, none of the games offer an option to revert to standard PS4 graphics settings in order to maintain frame rate performance.

Given that the PS4 Pro has only just hit store shelves, it's likely that these performance problems will disappear as developers get to grips with the beefier hardware. Games that already have issues could potentially be fixed with a patch or an option to allow for baseline PS4 settings, but there's currently no word from Sony as to whether this will happen. However, Sony did tell Digital Foundry that it is "aware of the issue and currently investigating."

The PS4 Pro—which offers enhanced graphics capabilities over the standard PS4, including 4K resolution and HDR support—was released on November 10 worldwide. The Ars PS4 Pro review said it offered "the best graphical experience on a console," although it noted that Microsoft's Project Scorpio could feature even better graphics capabilities when it launches in 2017.

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