Microsoft Lumia 640 Dual SIM vs Sony Xperia Z2 comparison

Show Only Differences Highlight Differences	Microsoft Lumia 640 Dual SIM	Sony Xperia Z2a
key specs
Display	5.00-inch	5.00-inch
Processor	Qualcomm Snapdragon 400	Qualcomm Snapdragon 801
Front Camera	0.9-megapixel	0.3-megapixel
Rear Camera	8-megapixel	20.7-megapixel
RAM	1GB	3GB
Storage	8GB	16GB
Battery Capacity	2500mAh	3000mAh
OS	Windows Phone 8.1	Android 4.4
Resolution	720x1280 pixels	1080x1920 pixels
general
Brand	Microsoft	Sony
Model	Lumia 640 Dual SIM	Xperia Z2a
Release date	February 1, 2015	June 1, 2014
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	141.30 x 72.20 x 8.80	-
Weight (g)	145.00	-
Battery capacity (mAh)	2500	3000
Removable battery	Yes	No
Colours	-	Black, Turquoise, White
display
Screen size (inches)	5.00	5.00
Touchscreen	Yes	Yes
Resolution	720x1280 pixels	1080x1920 pixels
Pixels per inch (PPI)	294	440
hardware
Processor	1.2GHz quad-core	2.3GHz quad-core
Processor make	Qualcomm Snapdragon 400	Qualcomm Snapdragon 801
RAM	1GB	3GB
Internal storage	8GB	16GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	128	128
camera
Rear camera	8-megapixel	20.7-megapixel
Rear flash	LED	LED
Front camera	0.9-megapixel	0.3-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 a/b/g/n/ac
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 4.00
NFC	No	Yes
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	3.5mm
FM	Yes	Yes
Number of SIMs	2	1
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	Yes
sim 2
SIM Type	Micro-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	No	-
sensors
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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