The pureview tech was mind blowing. Retina was awesome too but its been bettered. The pureview is still unbeatable in imaging, that speaks volumes of it.
Will we ever see QHD screens on mobile phones this year 2014? I was so disappointed after waiting all this time since S4's launch last year to NOT see a QHD screen on S5:( it's the first time the PPI actually drop from the S4's 441ppi to the S5's 432ppi:( what a shame:(.