HDR and 4K require a fairly high-end television that supports the higher resolution and greater dynamic range. The much beefier GPU will probably help, but considering the system isn't getting a major boost in CPU speed or memory, expect most games to be upconverted. Rendering games natively at 4K provides consistently superior graphical fidelity than upconversion, but it also taxes the hardware on gaming PCs that cost several times that of the PS4 Pro. Sony's own specs state that the PS4 Pro's 4K video output can be from either game rendering or upconversion after rendering at a lower resolution, and most games will likely use the latter.

This doesn't necessarily mean the PS4 Pro will render games in 4K. All PS4s will get a firmware update that will add HDR support to their 1080p output, but we'll have to see how it's implemented. The new system can output in 4K resolution, while the PS4 and PS4 Slim cannot. Sony hyped up the benefits of ultra high definition ( UHD or 4K) and high dynamic range ( HDR) television and what the PS4 Pro can do with it. Curiously, the PS4 Pro has the same 8GB of GDDR5 RAM as the original PS4 and PS4 Slim this is a surprise, considering Sony's emphasis on 4K video capability with the PS4 Pro. Sony also doubled the storage on the PS4 Pro to 1TB, though the PS4 Slim will have a 1TB version available, too. The PS4 Pro's CPU also gets a clock boost, but Sony didn't specify just how much faster it is than the PS4's processor, as both systems use an octa-core x86-64 AMD 'Jaguar' CPU. The PS4 Pro uses a Radeon-based 4.20-TFLOPS graphical processor, a huge jump over the 1.84-TFLOP CPU used by in the original PS4 ($306.98 at Amazon UK) and PS4 Slim. The PS4 Pro represents a significant upgrade in power over the original PS4, at least in terms of GPU. And while Sony calls the slimmed-down PS4 simply the PlayStation 4, let's call it the PS4 Slim here for the sake of clarity. Sony insists the upgraded PS4 Pro complements rather than replaces the current console generation, but it's worth exploring whether it makes sense for current PS4 owners to upgrade.

Sony this week announced two new PlayStation 4 versions: the slim makeover we've come to expect after three console generations and a bold new model with more powerful hardware.

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