After Olivier Giroud's assertion that he's performing better than Robin van Persie did when the Dutchman first joined Arsenal, talkSPORT takes a look at the stats that support or disprove Giroud's claim and how the two strikers compare in the Premier League this season.br br Robin van Persie cost the Gunners £2.75m in 2004 and has since developed into one of the world's greatest strikers, moving to Man United in August 2012 for £24m. Meanwhile, Olivier Giroud was last season's top scorer in Ligue 1, joining Arsenal for £9.6m from Montpellier.