This depends on the geographical constraints...

A lay person in a developing country comparing 2 flagships will check memory over SoC specs while in a developed country it may be opposite...

Even here in Singapore the main reasons the SGS3 outsells the HTC One X by almost 5:1 ratio is the replaceable battery, storage size and lastly the galaxy brand name...

Here the first galaxy to make it big was the SGS2 due to the screen, battery and micro sd slot in a crowd that had almost totally adopted the iphone...The S3 continues capturing the iphone's market for these reasons just like the Note has been doing...

In short, we can't generalize even when it comes to lay people...

Yup the Nexus 7 is selling well; let's see how the Nexus 4 does compared to competing flagships now that Google has really brought the price to a very competitive level...