Lumia 640 LTE

Networks  : GSM / HSPA / LTE
Launch : 2015, March. Released 2015, April
Dimensions : 141.3 x 72.2 x 8.8 mm
SIM : Micro-SIM
Display : Type IPS LCD capacitive touchscreen, 16M colors
Size : 5.0 inches
Resolution : 720 x 1280 pixels
Protection : Corning Gorilla Glass 3. - ClearBlack display   
Platform : OS Microsoft Windows Phone 8.1 with Lumia Denim
Chipset : Qualcomm MSM8926 Snapdragon 400
CPU : Quad-core 1.2 GHz Cortex-A7
GPU : Adreno 305
Memory : Card slot MicroSD, up to 128 GB
Internal : 8 GB, 1 GB RAM
Camera  Primary : 8 MP, 3264 x 2448 pixels, autofocus, LED flash
Video : 1080p - 30fps
Secondary : 1 MP, 720p
Sound : Alert types Vibration; MP3, WAV ringtones. Loudspeaker. 3.5mm jack
WLAN : Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth  : v4.0, A2DP
GPS : Yes, with A-GPS, GLONASS, Beidou
NFC : Yes
Radio : FM radio
USB : MicroUSB v2.0
Messaging : SMS (threaded view), MMS, Email, Push Email, IM
Browser  : HTML5
Battery : Li-Ion 2500 mAh battery
Stand-by : Up to 864 h (2G) / Up to 864 h (3G)
Talk time : Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G)
Misc Colors  : Glossy cyan, Orange, White, Matte black

Take infomation from gsmarena

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