Personally I have been using all 4 terminals, right now kitty fits my workflow the best, but things can change. Guess that all depends on if you need the function or not. Alacritty is supposed to work well with tmux because after all that's what it's designed for, but it lacks some capability in tmux as summarised in the table. Kitty is also fast, but is not included in that benchmarking link.
With GPU acceleration on, iTerm2's latency improves a lot, but you have to turn off font ligature, which is listed in my table. With GPU acceleration off, iTerm2's latency is so bad from my experience, similar to the benchmark. So in the link you provided, I'm not sure if the author opened GPU acceleration in iTerm2.
With PowerShell (and PS Core), WSL, Git-Bash, Cygwin, Cmder and CMD support. Provides theming and color schemes, fully configurable shortcuts, and split panes. Android emulator for PC, Mac or Linux was first used by app developers to. Features an integrated SSH client and connection manager. But, there are few guys who can also help with this.
For Mac OS/X systems, go to : Brown University Select appropriate version. Terminus is a highly configurable terminal emulator for Windows, macOS and Linux. Many knowledgeable people has done the latency benchmarking, that's why I stated I only compared the listed capabilities, which is minor but not much summarised so far. the Marist mainframe, you need a program called a 3270 terminal emulator. Thank you for the link! Yes that's what matters the most.