The Samsung Galaxy S5 has just been officially unveiled to the world in Barcelona. Here we compare it to its predecessor, the Galaxy S4.

The new Galaxy: whats different? S5 and S4 New & Unique features Redesigned TouchWiz interface HeartRate Monitor Fingerprint Sensor Download booster mode that uses both Wi-Fi & LTE for super-fast downloads IP67 certified water and dust resistant UltraPower Saving Mode S Health 3.0 TouchWiz Nature UX 2.0 MicroUSB with USB-OTG and MHL support WatchOn IR Remote Control Air View Air Gestures S Translator S Health Smart Scroll SmartPause Smart Stay Release date (UK) April 11 2014 April 26 2013 Dimensions 142 x 72.5 x 8.1 mm 5.59 x 2.85 x 0.32 in 136.6 x 69.8 x 7.9 mm 5.38 x 2.75 x 0.31 in Weight 145 g 5.11 oz 130 g 4.59 oz Screen 5.1 inch diagonal display 1920 x 1080 pixels 430 ppi 5 inch diagonal display 1920 x 1080 pixels 441 ppi Storage 16GB/32GB with microSD/SDXC card expansion up to 128GB 16GB/32GB with microSD/SDXC card expansion up to 128GB Camera Main: 16 megapixels with LED flash,  4K video recording,  0.3s auto focus time, real- time HDR, selective focus Secondary: 2 megapixels Main: 13 megapixels with LED flash ,1080p video recording, Secondary: 2 megapixels Processor & RAM Snapdragon 801 Quad core 2.5GHz 2GB RAM Snapdragon 600 Quad core 1.9GHz 2GB RAM SIM standard Micro SIM Micro SIM Colours Charcoal Black Shimmery White Copper Gold* Electric Blue* * selected retailers Black White Red* Blue* * selected retailers Battery life 2,800 mAh removable battery 10h 4G web browsing 12h video playback 2,600 mAh removable battery 8h 4G web browsing 11h video playback 5