Recommended: Microsoft Lumia 640 XL Hands on, Photo Gallery and Video
Lumia 640 has a 5 Inch IPS LCD display, with Nokia’s ClearBlack technology to fight glare and Gorilla Glass 3 protection on top. Lumia 640XL, on the other hand, sports a larger 5.7 Inch display with similar 720p HD resolution.
Both Lumia 640 and Lumia 640XL are powered by Snapdragon 400 quad core chipset with 1 GB RAM, Adreno 305 GPU, 8 GB internal storage and 128 GB MicroSD card support. This might seem feeble when compared to Android competition in the same price bracket, but will be good enough to smoothly drive these Windows 8.1 OS based devices.
Recommended: Microsoft Lumia 640 Hands on, Photo Gallery and Video
Lumia 640 has an 8 MP rear camera with a 1/ 4 inch sensor capable of recording full HD videos and a 1 MP front camera for selfies, while 640XL has a 13 MP rear camera coupled with a 5 MP front snapper for detailed selfies. Battery capacity is 2500 mAh and 3000 mAh respectively. Other features include free 1 TB One Drive storage, Office 365 subscription with Lumia 640XL, WiFi, Bluetooth, GPS and GLONASS. Lumia 640XL additionally has an NFC chip inside.