Both are very different to eachother..The Press Release is used, when any updates will be placed in our website...and the Article should be done at any time with unique content and it should be write or startup with keyword..
Press releases are very time receptive as they are used in a narrow window to make a declaration, drawing attention and start a buzz. They are normally of or reference to an article. Press releases are and must be written for writers and new media and business. Remember that your press release is a sales terrain, the goal is to give someone as much information as possible in a very inadequate period of time.
Writing articles are deeper and more as put side by side to releases that the key objective of be a focus for audiences to drive traffic to your website. Substance that are used for informational purposes only, sell or offer to link backlinks to attract more traffic.
Well as you can understand with the name press realse and artile press realse shows you that you have been publishing something about new product and the article is about the product review and its advantegies.
In article you can include information about author and in press release it is not included.
press release is just like a new news or information, whether in article you can give your own overview or facts.