S2.
There are many great features with each Samsung Galaxy S Duo 2 and the Samsung Galaxy Core. Depending on what the plan for the phone is, depends on which one would be better for you.
Samsung Galaxy S
The HTC Wildfire S is a better phone than the Samsung Galaxy Ace.
Better phone htc
HTC is much better than samsung galaxy s HTC is the best in the world
Going by the customer reviews the Galaxy Young S6312 is a better phone than the Samsung Galaxy Fame.
Samsung's Galaxy S 2 is better. Others' opinions may vary.
Samsung Galaxy S 2
Htc is better then sam sung galaxy
The Galaxy S 3 is like a smart phone and has a HUGE screen with more things than the iphone. its better than the iphone
Samsung galaxy s is better because there are more games and theres just one of them so when you go out and buy a iphone and then the next day there is another one comming out and then your a tad jelous and samsung galaxy s is like the i phone but better.