Apple has today significantly updated its iMac lineup. The OS X desktop solution has brought a Retina 4K display to a 21.5 inch screen for the first time, whereas all 27-inch iMacs now have a Retina 5k display.

Desktop Mac users now get a far improved visual experience, bringing the product line up to speed with the rest of Apple’s product line, including MacBook Pros, iPhones and iPads which all enjoy Retina displays already.

The 21.5-inch iMac is available with a Retina 4K display featuring a 4096 x 2304 resolution and 9.4 million pixels, which is 4.5 times more than the standard 21.5-inch iMac display. On the other hand, all 27-inch iMacs will feature a Retina 5K display, which Apple describes as the world’s highest resolution all-in-one display with 14.7 million pixels, which is 7 times more pixels than an HD display.

Graphics and processing power has also been ramped up thanks to two Thunderbolt 2 ports, and up to 2TB of Fusion Drive storage. Meanwhile, the 21.5 inch iMac has a 3.1 GHz core i7 Broadwell processor and integrated Intel Iris Pro Graphics 6200. The 5K iMac will have 3.2 GHz to 3.3 GHz Core i5 and i7 Skylake processors and dedicated AMD Radeon R9 GPUs.

The new iMacs will be pre-installed with the latest operating system for Mac: OS X El Capitan, which was released last week.

New accessories

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But Apple’s not finished; alongside the iMac upgrades, a new Magic Keyboard has been launched, alongside second iterations of its other products: Magic Keyboard, Magic Mouse 2 and Magic Trackpad 2.

This means that iMac users can join users of the latest MacBooks, iPhones and Watch in gaining Force Touch technology (known as 3D Touch on the iPhone) thanks to the new Trackpad. It now has a larger edge-to-edge glass design with a 29% increase in surface area.

The Magic Keyboard also gains 33% more key stability over previous keyboards, also mirroring the improved keyboards in the latest MacBook models.

Finally, the new Mouse has been redesigned internally.

Pricing & availability

Customers can get their hands on the new iMacs and accessories from today. They’re available from Apple Stores, Apple’s Online Store, and select resellers. The 21.5 inch iMac is priced from $1,499 (£1,199), while the larger iMac is available in three models from $1,799 (£1,449). However, non-Retina iMacs are still available in the 21.5 inch range – two differently specced models are available starting from $1,099 (£899) and $1,299 (£1,049).

A Magic Keyboard and a Magic Mouse 2 come with new iMacs, or can be bought separately for $99 (£79) and $79 (£65) respectively. The Magic Trackpad 2 is priced at $129 (£109).

Check out the new iMacs on Apple.com