Both boxes support Dolby Vision HDR, HDR 10 and HLG but neither is compatible with HDR10+. It's also worth noting that videos shot on iPhone 12 Pro can be displayed in 60fps Dolby Vision HDR on the new Apple TV 4K. Neither the 2021 or 2017 Apple TV 4K boxes support 120Hz frame rates but the new Apple TV 4K does play HDR content in Apple admits such content is limited but says it is working with the likes of FOX Sports, NBCUniversal, Paramount+, Red Bull TV, and Canal+ to offer more high frame rate HDR content.

You can also expect smoother loading times and a swifter response when navigating the user menu. According to Apple, that bump in performance allows for higher frame rates when watching video or playing games via Apple Arcade. The new Apple TV 4K's processor has been improved from an A10X Fusion chip to the company's A12 Bionic chip. New Apple TV 4K vs old Apple TV 4K: features It's worth noting that the new remote is available separately for existing Apple TV boxes, costing £55 ($59, AU$79), which could be a relatively frugal way of upgrading your Apple TV experience. The Siri button, meanwhile, has been moved from the face to the right-hand edge, which is where it's also found on iPhones. On top of the volume, play/pause and home buttons of before, there's also now a dedicated mute button and a power button that can switch your TV on or off. Fingers crossed the controls function more precisely. The large touchpad of the old model has been replaced by a much smaller, circular one, with a ring around it that's both clickable in four directions and can be circled with a thumb in order to quickly scrub forwards or backwards through a video. The new remote is thinner, longer and heavier than the one it replaces and is made from a single piece of aluminium.

No surprise, then, that Apple has launched a brand new Siri remote alongside the new Apple TV 4K. In our review, while we called it 'really rather clever' we also noted that the touch controls could be 'a bit skittish'.

The original Apple TV 4K's Siri-enabled remote control is a mixed bag.

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