Sony Xperia Z3 has a great battery life, a 5.2” brilliant display, anti-dust and waterproof features. The design is very beautiful. The icons look too big and the quality of 20.7 Mp camera is not so good. This is the last half 2014 Sony flagship but the configuration is not the most advance.
Sony Xperia Z3 Compact has small size that’s suitable for one hand using, waterproof and a good camera. The resolution is not hight and the camera white balance isn’t perfect. Xperia Z3 Compact has bigger battery and it is the best mini flagship of Sony.
A bigger, crisp display, improved LTE and Wi-Fi speeds, better camera autofocus, bumped-up storage capacities to 128GB at the top end, and NFC Apple Pay mobile wallet features on the horizon.
iPhone 6 has a bigger screen, better camera focus, upto 128GB storage, and NFC for Apple Pay. But its battery is still the same, no optical image stabilization, and the camera is not good looking.
iPhone 6 plus
The screen of iPhone 6 plus is big and high-contrast and it has optical image stabilization improves low-light photography. But the size of it is not suitable for everybody and the price is high.
Galaxy Note 4
With 2K 5.7-inch screen, Galaxy Note 4 is the most powerful smartphone with S-pen, big battery, quick charge, 16Mp camera with OIS, faster chip. But low light shots are not good and speaker volume is low.
Galaxy Alpha has metal frame and more compact size which is comfortable to use, it has loads of power and its camera is great. But low-resolution screen, and there’s no microSD card slot for expanding the storage.