My local AT&T PR rep was kind enough to loan me a Samsung Galaxy S4 to take for a spin. You have likely read reviews all over about this phone, including the one from CNET, and this gallery and post just focuses on my thoughts and experiences with the Galaxy S4, as compared to my experiences using the Galaxy Note II and HTC One for a few months.

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It is nearly universally agreed that the HTC One design is much better than the Galaxy S4, so if hardware quality is important to you, then take a look at the HTC One at your local AT&T store. However, the Samsung is still a solid smartphone and has refined its popular Galaxy S3 to come out with one of the top Android smartphones available today. Samsung offers incremental hardware improvements in the Galaxy S4 over the Galaxy S3, with a focus on adding in more software enhancements.

You will find documentation, a charger, and even a wired headset in the Galaxy S4 package.

The user guide is well designed, and given all the software enhancements, I recommend you actually browse through this guide.

I would never buy a 16GB Android device again given that games are pushing 1-2GB in size, and think that no high-end models should launch with less than 32GB, even with a microSD card slot.

The AMOLED display is very nice, but side-by-side, I find my HTC One to have a brighter display with better performance outside in the sun.

I love using this on my Galaxy Note II, and now that the Galaxy S4 has a 5 inch display, it is a useful function on the device. 

I like using Twitter or Facebook in one window, with my Gmail in the other, and I think people will appreciate it.

Compared to the previous Galaxy S III, you will find features from the Note II and additional enhancements in the Galaxy S4. My experience with these include:

Smart scroll: Designed to scroll through select apps using recognition of the tilting of your head or tilting the device. Despite the rumors of eye tracking, it doesn't appear that this is how movement is controlled. It is a slick feature to show people, and seems amazing at first glance, however beyond the "wow" factor, I don't see people using this for more than a week.

Smart Scroll works with the web browser, I found that with my glasses on, a more pronounced head tilt was required, and it seems that the facial recognition aspect isn't as sensitive with glasses on. It was annoying to tilt my head up and down to stop and continue scrolling, and I found no benefit to using this method compared to simply swiping up with your finger.

Smart PauseThis feature is designed to pause video when you look away. However, I tend to watch movies and videos when I am in not-well lit environments, and Smart Pause doesn't appear to work at all unless you are in a bright location where the front facing camera can clearly "see" you. Again, it is much easier for me to just tap the display, and I don't look away on a regular basis when watching videos on my phone.

It seems to me that the hand and head waving gesture functions are rather lame with limited reliability, while the other advanced features and software enhancements are quite useful. I talked to one of my soccer moms who was first in line for a Galaxy S4 last week, and she loves the devices, but said she hasn't used any of these advanced features yet.

I personally find features on the HTC One, such as BlinkFeed and BoomSound, to be features I use on a daily basis, while many of the advanced features on the Galaxy S4 are fun and interesting, but not essential for daily use. I have a better appreciation for my Galaxy Note II after using the S4, and plan to keep using it on T-Mobile.

I used the Samsung Hub a few times on my Note II to rent movies, but find the new version on the S4 to be a bit confusing and unnecessary. With Google Play now supporting music, video, and books, there really is no need for a duplicate Samsung experience on the device.

I took the Galaxy S4 on a mountain hike and hoped it would capture the event. With my reliable Jawbone Up on my wrist and the Galaxy S4 in my pocket, it turns out the Galaxy S4 S Health app captured only half the steps of the Up, and after verifying with GPS, the S Health app was way off in steps counted. 

I don't always have my phone in my hand or pocket, so the usefulness of S Health is limited. Get yourself a Jawbone Up or Fitbit One if you really want to track your health and fitness.

The S Translator app seems quite useful, with the ability to translate written or spoken words I make in English to other languages. 

I used an application like this on my Windows Mobile device in France many years ago, and find these translators to be very helpful while traveling abroad.

The HTC One was first to launch with an IR port to control your home media devices, and Samsung followed suit with WatchON on the S4. I can never find remotes in my house, and find these IR utilities to be useful since I do know where my phones are.

I am very pleased to see Samsung include the camera software from the Galaxy Camera in the Galaxy S4, and think users will appreciate the options. 

The Galaxy S4 is a solid camera phone with many advanced functions people will enjoy, including drama shot, 360 photo, eraser, best face, beauty face, and much more.

I just wish Samsung would add something like HTC's highlight video functionality.

I compared a few photos taken with the S4 and HTC One and think megapixels still do mean something and like what I see from the S4. The difference in camera technologies was clearly evident when comparing a landscape shot, where I zoomed in to look at some details. 

I have now spent three days focusing on using these software features, and ended the weekend in a clear understanding that some features are silly gimmicks that may be used during the first couple of weeks and then never used again, while others actually do offer value. One good thing about some of these gimmicky features is that I have a better appreciation for my  Galaxy Note II , where a stylus is a much better device for using many of these software enhancements.

The Galaxy S4 is a solid upgrade to the Galaxy S3, but I still think that the HTC One is the better device , and have yet to meet a single person that hasn't been pleased with their HTC One.

Related stories

• CNET Galaxy S4 review

• Samsung Galaxy S4: Smartphone evolution hits the Wall

• Samsung Galaxy S4 'more susceptible to lifestyle damage' than iPhone 5: SquareTrade

• Samsung's Galaxy S4 smartphone: By the numbers

• Amid great expectations, the Samsung Galaxy S4 has arrived