Hey guys I'm building a gaming pc and I'm looking for a good card I want a AMD I like AMD cards I'm thinking about an AMD r9 280x or a r9 280 I know that the 280x is $100 more then the 280 and don't know if it would be worth it for me the games I play are Star Wars the old republic, guild wars 2, World of Warcraft and Arche Age would I need the 280x to play these in high settings or would the 280 work I appreciate the help thank you