The Desire 620 is a dual SIM device and comes with a 5" 720p display. It is powered by Qualcomm Snapdragon 410 64-bit processor clocked at 1.2 GHz with 1 GB of RAM and 8 GB expandable storage. It supports LTE connectivity too, like the Desire 820
The device has an 8 MP shooter at the back accompanied with a 5 MP camera at the front. Its camera comes with HTC Eye Experience feature. The battery is 2,100 mAh capacity and, thankfully, it is removable.
For those who want a dual SIM device with LTE connectivity, the Desire 620 is definitely a good choice you should go to.