Samsung Galaxy S4

  • As great as today's smartphones are, two of the biggest problems with them continue to be battery life and memory. i-Blades is out to change that with its smartcase technology, that it says can boost battery power up to 10 times and memory by up to 1 Terabyte.
  • Researchers at the University of Washington (UW) have created an app they claim can detect sleep apnea with similar accuracy to available methods, potentially removing the need for expensive equipment and overnight hospital stays.
  • If you’re regularly out and about, then you’ll likely want a case for your device that can offer it some serious protection. Read on as we highlight five great options for keeping your precious handset out of harm’s way.
  • A specially designed robot known as Cubestormer 3 has been used to break the world record for solving a Rubik’s Cube. The robot, which broke the previous record by more than two seconds, is powered by an octa-core Samsung Galaxy S4 smartphone.
  • Does anyone doubt that the Samsung Galaxy S5 will be one of the most popular smartphones of 2014? Maybe the real question is whether it's good enough to warrant the upgrade from last year's Galaxy S4. Let's compare the two phones' features and specs and see if we can lend a hand.
  • While there is no formal ceremony or rite of passage, it seems clear to me that 2013 was the year that Android finally came of age as a fully mature mobile OS to power the world. Rather than a fancy coronation ceremony, let's take a look back at the highlights of the past 12 months in Android.
  • The holiday shopping season is here, and that means we'll be seeing a lot of deals on smartphones. If you're going to upgrade, which handsets are the best? Let Gizmag lend a hand, as we compare the features and specs of the top smartphones of 2013.
  • Last year's Nexus 4 was a high-end phone that sold for a budget price. This year's Nexus 5 kicks it up another notch, offering the best specs a US$350 phone has ever offered. How does it compare to 2013's most popular Android flagship, the Galaxy S4?
  • Comparing the iPhone 5s to the Galaxy S4 is a lot like comparing the iPhone 5 to the Galaxy S4. But the 5s does offer a few key upgrades, so we thought it was worth revisiting Apple's and Samsung's flagships. Join us, as we go hands-on, and pit the iPhone 5s against the Galaxy S4.
  • Conscious that the world of mobile devices lacks benchmarking to measure the responsiveness of touchscreen displays, Agawi has developed TouchMarks to measure touchscreen latency. It reveals that Apple's iPhone 5 screen response time is more than twice as fast as the best Android phone tested.
  • Many considered Samsung's Galaxy S4 to be a minor update over its predecessor. But you could argue that Apple's iPhone 5s is an even more iterative update. How do the two latest flagships from Apple and Samsung compare? Let Gizmag lend a hands, as we compare the iPhone 5s and Galaxy S4.
  • Does a breakthrough smartphone have the latest hardware components, or does it change things in a more experiential way? Let Gizmag try to answer that, as we go in-depth – and hands-on – to compare the Motorola Moto X and Samsung Galaxy S4.