Keychron K2 HE [K4 HE, K8 HE, etc.] vs IQUNIX EZ80/EZ75

The IQUNIX EZ80/EZ75 and the Keychron K2 HE are gaming keyboards that use Hall effect switches. The IQUNIX models are wired-only and deliver much stronger raw performance, including an 8000Hz maximum polling rate compared to the Keychron's 1000Hz polling. They also use a gasket mount design that gives typing a slightly springier feel, and their cases are built entirely from metal. The Keychron takes a different approach with wireless connectivity for more flexibility. It has a stiffer tray mount design and a case made with a thin aluminum frame and a plastic bottom. The Keychron also offers several size variants, including a 65%, a 75%, a TKL, and a full-size model, while the IQUNIX is available in either a 75% or a TKL size.