Does anyone know what is the maximum number of points per chart(or per screen) that if present on a chart will not make the screen hang?

I have been trying to build an application which should be able to display 4 multi-line charts on a single screen, where each chart being plotted has 10/15 lines seires and each line has around 4000/5000 points (XY values). (so a total of around 40000/50000 points per chart) It works fine as such an...