Should I buy the iPhone 5, HTC DNA, Galaxy S3, or Windows Phone 8X on Verizon?

I'm sort of lost at the moment i love all of the OSes. I need smoothness, speed, a great camera and speaker, apps, and cool features.

I'll recommend you buy lumia 920 as it has the best camera and windows phone 8 smoothness

5 has the best hardware, HD video, battery life, and far thinner and lighter then any other phone out there. Security is great too, no need for antivirus on iphones like you need to run on other phones.

The best all rounder would be the Samsung Galaxy S3. Why?

The HTC DNA has the nice Sense, really sharp screen (but it's too big for my taste) but it doesn't have a MicroSD slot, just 16GB of storage. The battery life isn't stellar either, and you can't change it. (without voiding the warranty, that is)

iPhone 5 has a good optimization, good ecosystem, great battery life BUT the maps app is a joke, the OS is getting old and tired, the screen looks good but it's just too small for these days, I didn't see any improvements on iOS6 and the aluminium can scratch easily.

HTC 8X fails in the same categories as the DNA: no expandable storage and not good battery life. It's too big for its screen size, but it doesn't look too thick because it's pretty curvy, which is nice. Also Windows Phone is buttery smooth, optimized and such but the apps catalog has only the "essential" and a little more.

Okay, the Samsung offering isn't perfect: Ugly design (it's subjectice), Plasticky, PenTile screen with not-so-realistic colors (some people don't notice it, though) and such, but you get a good battery life, and you can change that battery for a better one, you can also store more music, videos, apps, etc using an SD card, it's fast too.

About the power: all of them should behave similar, the HTC DNA has a better chipset but a lot of pixels to deal with, so the performance gets reduced, Both the 8X and the Samsung have one of the most powerful Qualcomm processors, but the Samsung doubles the RAM, so better multi tasking and web performance (in some situations) The iPhone 5 is always really fast at first but it gets slower and slower when you update it, Android is a real mess with updates but when they come they IMPROVE the phone, the same with Windows Phone.

Other options would be the Nokia Lumia 920 or HTC One X+, better than the DNA in my opinion, or you can wait for the upcoming Xperia Z, better than all of the above mentioned.