( CNN ) -- Real Madrid and Atletico Madrid will go head-to-head later this month to decide which football club is the finest in Europe but , when it comes to the bottom line , there is only one winner . The city rivals will battle it out in the Champions League final on May 24 in Lisbon , but Atletico look to have their work cut out given the financial disparity between the two clubs . Nine-time champions of Europe Real top a Forbes list of the world 's most valuable football teams , with Los Blancos reportedly worth $ 3.44 billion . The Santiago Bernabeu stadium team , which boasts the talents of FIFA Ballon d'Or winner Cristiano Ronaldo , posted a revenue of $ 675 million for 2012-13 , with an operating income of $ 172m . In contrast , Atletico is way down the the financial pecking order , with Forbes ranking Atletico 17th , valuing Los Rojiblancos at $ 328m . Even so Atletico are punching above their weight in the Spanish league title and with two matches two go , Diego Simeone 's Atletico team is top of the table -- three points ahead of second-placed Barcelona and four points clear of Real in third . Atletico have surprised many with an impressive run to the final of Europe 's premier club competition -- the first time the club has reached this stage of the competition in 40 years . Barcelona are ranked second by Forbes , valued at $ 3.28 billion , with Manchester United worth an estimated $ 2.81 billion in third spot . Current European and German champions Bayern Munich are next on the lists with a valuation of $ 1.85 billion , with London club Arsenal ( $ 1.33 billion ) completing the top five . Forbes Most Valuable Football Teams 2014 : . 1 . Real Madrid ( $ 3.44 billion ) 2 . Barcelona ( $ 3.2bn ) 3 . Manchester United ( $ 2.81bn ) 4 . Bayern Munich ( $ 1.85bn ) 5 . Arsenal ( $ 1.33bn ) 6 . Chelsea ( $ 868 million ) 7 . Manchester City ( $ 863m ) 8 . AC Milan ( $ 856m ) 9 . Juventus ( $ 850m ) 10 . Liverpool ( $ 691m )
Forbes names Real Madrid the world 's most valuable football team . Comment: European Champions League finalists Atletico Madrid rated 17th . Manchester United ( $ 2.81 billion ) ranked third , ahead of Bayern Munich ( $ 1.85 billion )