Ps3 was released in November 2006 and attained the age of 2 years and 3 months as of February 09', Psvita was released in December 2011 and became 2 years and 3 months old as of April's first week '14 and Ps4 was released in February 2014 and reached its second year and 3 months in the end of May '16.
PSV VS PS4 LAUNCH ALLIGNED COMPARISON:
UPDATE: 2 years, 3 months and four weeks!
PS3 2.9m http://garaph.info/weeklyoverview.php?week=2009-03-26 17k
PS4 3m http://www.neogaf.com/forum/showthread.php?t=1237770 22k
PSV 2.87m http://www.gamefaqs.com/boards/620272-playstation-vita/69217569/http://gematsu.com/2014/05/media-create-sales-5514-51114 +17k
Important element:
PSV has sold 5m as of May 2016, that has been sold within four years and 5 months....
PS3 has sold 5.1m as of April 2010, that has been sold within four years and 5 months....
They have sold nearly the same in both time frames, while ps4 in two years and 3 months has sold approximately the same with psv and ps3, hence it could be surmised that PS4 would have sold 5m in its 4th year and 5 months, if it fails to come close to it by then, it would be worrying ( notably for those who predict approaching/outselling ps3), barring any shocking unforseen circumstance! This year is very important and indicative for ps4 lt sales...
P.s I wanted the comparison to be between sony only systems, those that fit in the comparison!
