Choosing extended display when it comes to Mac is not easy with respect to its battery life.
Monitor for Macbook
Pixels per index. Mac’s retina displays have 220 ppi.
It suits the Mac well if it can render 220 or 110 ppi.
When it isn’t so. Mac uses more CPU/GPU to scale for your display.
Heating and increased battery usage are usual consequences.
You are seeing
so many options out there. And probably confused. In this situation, I
think you want to understand some key metrics and gotchas that factor in
when thinking about extending your display for Mac.