If we talk about specs of then both smartphones comes with a 4.5-inch ClearBlack FWVGA display screenwith screen resolution of 854×480 pixels, under the hood they are powered by Snapdragon 400 quad-core processor ticking at 1.2GHz along with 512MB of RAM. It comes with 8 GB of internal storage which can be expanded up to 128GB using a microSD card
At back they feature a 5-megapixel rear camera with Auto Focus, and houses a 1,830mAh battery to which company claims can provide 13.1 hours of talktime and 25 days on standby mode.
Lumia 630 is the Nokia’s first Dual SIM Lumia smartphone which is mainly targeted at markets Asian markets like India and China.
On the other hand, Lumia 635, comes with the same specs as of Lumia 630, but it features 4G network support. Both devices include new features like SensorCore low-power motion sensor with Bing Health and Fitness apps, Microsoft Office, Nokia Camera, free Nokia MixRadio streaming, and HERE maps and so on.
The Nokia Lumia 630 is expected to hit market in May starting from Asia and then other countries and will be priced $159 for the single-SIM variant, and $169 for the dual-SIM variant without taxes and subsidies. The Nokia Lumia 635, on the other hand will US first and will be priced $189 without taxes and subsidies.