The best PC to play games has a fast CPU and a dedicated gaming GPU. The Dell Vostro 3000 is a laptop, so that puts it at a disadvantage to begin. Laptops are inferior to desktops in most comparisons. The laptop you mentioned does not have a dedicated graphics chip, but uses the integrated graphics from the CPU. Gaming will not be a good experience with that.
The best laptop to play games on today has at least a GTX 1050 graphics card and will cost you at least $800 usd. But $800 usd will get you a much better desktop if you are willing to build it yourself. Please share your budget so we can better help you find what you are looking for.