Paypal and Bitcoin have totally different system so we don't make any comparison between both because paypal is only service provider not have any financial system like bitcoin, bitcoin is more flexible and providing services with freedom and has very low transaction fee so that i think bitcoin is better choice.
They have their own advantages and disadvantages so where ever to them you are compatible using your money then so be it. But for me, it is better to use bitcoin with its fast transaction , confirmation and low charging fees. Unlike paypal, you must be paypal verified using credit cards or virtual credit cards and that is very hassle and costly.
just want to correct something, bitcoin's transaction is not that fast, when you're paying things,they'll need atleast 1 confirmation from blockchain to proceed your transaction, and every confirmation takes times about 10-25 minutes,or when it got bottleneck,it'll take about 1 hours (i ever experienced this) instead of using credit card which only takes about 2-5 minutes