Gaga sold more singles in 2010 than Katy in 2014. Gaga sold more albums in 2010 than Katy did in 2014. Gaga won more Grammys in 2010 than Katy did in 2014. Gaga won more VMA's in 2010 than Katy did in 2014. Gaga had bigger tour gross in 2010 than Katy did in 2014.(Katy will not do 40 million gross from her 7 upcoming shows)