

In terms of connectivity, every iMac comes with two Thunderbolt 3 ports, four USB 3 ports, an SD card slot, a headphone jack, and Gigabit Ethernet.Īpple says the 21.5-inch iMac models, updated in March 2019, deliver up to 60 percent faster performance than the previous generation. The 27-inch model does offer more horsepower, however, so if you're looking for maximum performance you'll want to opt for the larger, more expensive size.

Which of these two iMac sizes you should buy is likely going to be driven by display size for most people, as both models are very capable machines for the average user. Other than a change to the base storage configuration, the 21.5-inch iMac retained the same specifications that Apple introduced in March 2019. In August 2020, Apple refreshed its 5K iMac all-in-one desktop computers, upgrading the 27-inch models with new processors and graphics chips, but sticking with the same tried-and-tested overall design it has used since 2012. First, let's take a look at Apple's 4K and 5K iMacs, the two models in the company's range that have received the most recent bump in configuration and specs options. Our expert guide arms you with all the information you need to ensure the model and configuration you choose is best suited to your specific needs.Īpple offers essentially three types of iMac, two of which come in several base configurations, and you can customize the internal specifications of your chosen iMac at the point of purchase, so it's a good idea to consider what kind of machine you'll need ahead of time.Ī well-specced iMac should last you a good few years, and apart from RAM on the 27-inch models, you can't upgrade the internal components of Apple's all-in-one desktops at a later date, so it's important to choose wisely. If you're considering buying a new iMac but have yet to pin down which machine in Apple's range is right for you, then keep reading.
