iMac 27-inch (Retina 5K) 3.3GHZ 6-Core i5 (2020). - Apple MXWU2LL/A. The iMac "Core i5" 3.3 27-Inch Aluminum (Retina 5K, 2020/Comet Lake) features a 14-nm "Comet Lake" 3.3 GHz Intel "Core i5" processor (I5-10600) with six independent processor "cores" on a single chip, a 12 MB shared level 3 cache, a T2 Security Chip, customize your memory and hard drive, and a Radeon Pro 5300 graphics processor with 4 GB of dedicated GDDR6 video memory. It also has a built-in 1080p "FaceTime HD" webcam, a studio-quality three-mic array, and stereo speakers.
This model has a 27" 5120x2880 LED-backlit 16:9 widescreen IPS DCI-P3 "Retina 5K" display with True Tone technology. The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges. Connectivity includes four USB 3.0 ports, dual Thunderbolt 3 (USB-C) ports, Gigabit Ethernet, 802.11 ac Wi-Fi, and Bluetooth 5.0.