Sony Xperia Z1

Key Feautures:

2200MHz Quad Core processor Snapdragon

5 inches of scratch-resistant LCD screen, with fullHD resolution and 16M colour depth

Android 4.2.2 Jelly Bean

800 chipset, Adreno 300 GPU

2GB RAM

16GB internal memory

Expandable to 64GB

20.7MP of rear camera with fullHD recording

2MP of front camera

4G LTE, Wi-Fi, Bluetooth, GPS (with A-GPS), microUSB connectivity

3000mAh Li-ion battery

Google Nexus5

Key Features:

2.26GHz Quad-Core Krait Snapdragon 800 processor

4.95 inch Full HD IPS display

Andriod 4.4 KitKat

450 MHz Adreno 330

2GB of RAM

8MP of rear camera

1.3MP front camera

16GB internal storage (non-expandable)

3G, LTE, Wi-Fi, Bluetoth, GPS (with A-GPS and GLONASS), microUSB connectivity, NFC

2300 mAh Battery