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Celkon Millennia 2GB Xpress vs Microsoft Lumia 640

Celkon Millennia 2GB Xpress vs Microsoft Lumia 640 comparison

Show Only Differences Highlight Differences	Celkon Millennia 2GB Xpress	Microsoft Lumia 640
key specs
Display	4.50-inch	5.00-inch
Processor	1.2GHz quad-core	Qualcomm Snapdragon 400
Front Camera	1.3-megapixel	0.9-megapixel
Rear Camera	5-megapixel	8-megapixel
RAM	2GB	1GB
Storage	16GB	8GB
Battery Capacity	1500mAh	2500mAh
OS	Android 4.4	Windows Phone 8.1
Resolution	480x854 pixels	720x1280 pixels
general
Brand	Celkon	Microsoft
Model	Millennia 2GB Xpress	Lumia 640
Release date	July 1, 2015	February 1, 2015
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	133.50 x 66.50 x 10.10	141.30 x 72.20 x 8.80
Weight (g)	134.00	145.00
Battery capacity (mAh)	1500	2500
Removable battery	No	Yes
Colours	Black	-
display
Screen size (inches)	4.50	5.00
Touchscreen	Yes	Yes
Resolution	480x854 pixels	720x1280 pixels
Pixels per inch (PPI)	-	294
hardware
Processor	1.2GHz quad-core	1.2GHz quad-core
RAM	2GB	1GB
Internal storage	16GB	8GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	32	128
Processor make	-	Qualcomm Snapdragon 400
camera
Rear camera	5-megapixel	8-megapixel
Rear flash	LED	LED
Front camera	1.3-megapixel	0.9-megapixel
software
Operating system	Android 4.4	Windows Phone 8.1
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 b/g/n
GPS	Yes	Yes
Bluetooth	Yes	Yes
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	3.5mm
FM	No	No
Number of SIMs	2	1
Wi-Fi Direct	No	No
Mobile High-Definition Link (MHL)	No	No
sim 1
SIM Type	Regular	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	No	No
sim 2
SIM Type	Regular	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	No	-
sensors
Compass/ Magnetometer	Yes	Yes
Proximity sensor	No	Yes
Accelerometer	Yes	Yes
Ambient light sensor	No	Yes
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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