How often does the train from Pattaya to Bangkok run? Is it even worth it or is it easier to take a cab?

[Max]

How often does the train from Pattaya to Bangkok run? Is it even worth it or is it easier to take a cab?

[Xenia]

It's easier to take the bus, it's not expensive (150 baht), goes every half hour and goes 2 hours, the train goes 4 hours, but I don't know how often.