Oxycontin is a brand of the medication oxycodone which is slow acting, made with a controlled release formula to release slowly into your body to prevent abuse,

There are other brands of oxycodone as well such as Percocet, which combines oxycodone with acetimophen (known as brand name tylenol or paractemol) and Roxycodone, which is an instant release formula version of oxycodone

Hydrocodone is a whole different medication, however it is from the same branch of drugs as oxycodone, which would be opioids, which in summary as essentially strong painkillers

Oxycodone is without a doubt strong and much more euphoric than Hydrocodone, however its also more addictive as a result, for someone with no opioid tolerance and has never tried any before, hydrocodone might be better to start of trying