The 21.5" Apple iMac with 4K Retina Display features 4096 x 2304 screen resolution and provides 1 billion colors and 500 nits of brightness, which is 43% brighter than the previous model. The Retina 4K display also features a wider color gamut. Using a P3-based color gamut, the Retina 4K display provides a larger color space that more equally represents red, green and blue as compared to standard sRGB displays. With more available colors, the images will appear more vivid and reveal greater detail, with more balance and precision.

The iMac's is powered by an 8th-gen 3.6 GHz Intel Core i3 Quad-Core processor that can be reached up to 4.6 GHz, while 8GB of 2400 MHz DDR4 RAM helps to ensure smooth multitasking and also allows the computer to quickly access frequently-used files and programs. The visuals are powered by a dedicated AMD Radeon Pro 555X graphics card. For long term storage, it is equipped with a 1TB 5400 rpm Hard Disk Drive (HDD).

For wireless and wired networking it has Gigabit Ethernet and 802.11ac Wi-Fi which for speedy hook-ups to your home network and the Bluetooth 4.2 technology will allow you to connect additional compatible peripherals. Other integrated features include an SDXC card slot, two Thunderbolt 3 ports, four 5 USB 3.0 ports and a FaceTime HD camera.

Display

The Apple iMac has 21.5" IPS Retina display with a 4096 x 2304 screen resolution and a 16:9 aspect ratio, so you'll be able to playback 4K content natively. With a dedicated AMD Radeon Pro 555X graphics card, the iMac delivers 4K visual effects and 3D graphics.

Performance

The iMac features an 8th-Gen 3.6 GHz Intel Core i3 Quad-Core processor that can reach a speed of 4.6 GHz. While 8GB of 2400MHz DDR4 RAM helps to ensure smooth multitasking and also allows the computer to quickly access frequently-used files and programs.