Review: 21.5‑inch iMac with Retina 4K display

By Gadjo Cardenas Sevilla

A 4K-capable iMac can also do double duty as an entertainment hub, for streaming video and watching live TV with the appropriate apps and devices.

While 4K and Ultra HD resolutions have long been pitched on TVs and projectors as the ideal home theatre experience, I’ve maintained the belief that the immersive nature of 4K resolution would best serve monitors and computer displays.

With the 4K 21.5-inch iMac and the 5K 27-inch iMac before it, Apple has made 4K technology a compelling feature for next generation computer displays and all-in-one PCs in a way that many TV manufacturers have failed to so for high-end 4K TV sets.

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