T 50 PAK FA vs F 22 Which Fighter is Superior

Both the RussianT50 (PAK FA) the American F22 Raptor are 5th generation stealth a lot is known about the T50 s performance specs what is thought to be known is open to F22 has been in service over 5 years has proven to be the worlds best air superiority the other hand the T50 is still under development is expected to be in service around 2015 it compete well against the it better than the F22 Which is the Better Fighter