Microsoft Lumia 640 vs Samsung Galaxy J1 comparison

Show Only Differences Highlight Differences	Microsoft Lumia 640	Samsung Galaxy J1
key specs
Display	5.00-inch	4.30-inch
Processor	Qualcomm Snapdragon 400	1.2GHz dual-core
Front Camera	0.9-megapixel	2-megapixel
Rear Camera	8-megapixel	5-megapixel
RAM	1GB	512MB
Storage	8GB	4GB
Battery Capacity	2500mAh	1859mAh
OS	Windows Phone 8.1	Android 4.4
Resolution	720x1280 pixels	480x800 pixels
general
Brand	Microsoft	Samsung
Model	Lumia 640	Galaxy J1
Release date	February 1, 2015	January 1, 2015
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	141.30 x 72.20 x 8.80	129.00 x 68.20 x 8.90
Weight (g)	145.00	122.00
Battery capacity (mAh)	2500	1859
Removable battery	Yes	Yes
Colours	-	White, Blue, Black
display
Screen size (inches)	5.00	4.30
Touchscreen	Yes	Yes
Resolution	720x1280 pixels	480x800 pixels
Pixels per inch (PPI)	294	217
hardware
Processor	1.2GHz quad-core	1.2GHz dual-core
Processor make	Qualcomm Snapdragon 400	-
RAM	1GB	512MB
Internal storage	8GB	4GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	128	128
camera
Rear camera	8-megapixel	5-megapixel
Rear flash	LED	LED
Front camera	0.9-megapixel	2-megapixel
software
Operating system	Windows Phone 8.1	Android 4.4
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, v 4.00
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	3.5mm
FM	No	Yes
Number of SIMs	1	2
Wi-Fi Direct	No	Yes
Mobile High-Definition Link (MHL)	No	No
sim 1
SIM Type	Micro-SIM	Micro-SIM
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	No	No
sensors
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No
sim 2
SIM Type	-	Micro-SIM
GSM/CDMA	-	GSM
3G	-	No
4G/ LTE	-	No

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