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Samsung Galaxy S4 deep-dive review: A real-world evaluation

JR Raphael | April 30, 2013
Some things in this world need no introduction. The Samsung Galaxy S4 is not one of those things.

Under the hood

The U.S. model of Samsung's Galaxy S4 runs on a cutting-edge Qualcomm Snapdragon 600 1.9GHz quad-core processor along with 2GB of RAM. With that sort of horsepower, I've been surprised to see that the phone's performance suffers from subtle but noticeable hiccups.

The GS4's system animations are frequently jerky, for instance -- like when the phone is returning from an app to the home screen -- and some actions take far longer than they should to process. I've counted as many as eight to nine seconds after tapping a folder in the Gallery before it actually opens. And these things haven't been isolated, one-time occurrences; they've happened regularly, regardless of what other services the phone has been running or how much time has passed since a restart.

What's most baffling is the fact that the HTC One, which I found to have near-flawless performance, uses the same exact processor -- clocked slightly lower, in fact -- and the same amount of RAM as well. The only logical conclusion I can draw is that something having to do with Samsung's software is gumming up the works.

To be clear, the Galaxy S4's performance isn't all bad -- for the most part, apps usually load quickly, Web browsing is swift and smooth and the system doesn't feel terribly sluggish -- but for a flagship phone with this level of hardware, any amount of jerky or lag-laden performance is disappointing.

The Galaxy S4 does do well when it comes to stamina: The phone packs a removable 2,600mAh battery that's generally provided ample juice to get me through the day. Results will obviously vary based on what you're doing, but with a few short voice calls combined with scattered Web browsing, social media activity, camera use, audio streaming and the occasional video streaming (about 2.5 to 3 hours of total on-screen time), I've found I can usually squeeze in around 13 to 14 hours of use before the phone starts giving me low battery warnings.

The Galaxy S4 ships with 16GB of internal storage space, which -- after factoring in the operating system and various preinstalled applications -- leaves you with just under 10GB of actual usable space. (Both 32GB and 64GB models are also expected to be available from some U.S. carriers, though specific plans for their release have yet to be announced.) The GS4 has an SD card slot as well, allowing you to add up to 64GB of external space.

In terms of data connectivity, the Galaxy S4 supports both LTE and HSPA+ networks. If you're using the phone on AT&T or T-Mobile, it'll connect to LTE by default but automatically drop down to HSPA+ when you're in an area without LTE coverage. On Sprint and Verizon, the phone will resort to the carriers' far slower 3G-level networks when LTE isn't available.


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