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Microsoft Lumia 640 Dual SIM vs Xiaomi Redmi 2 vs Microsoft Lumia 535 Dual SIM

Microsoft Lumia 640 Dual SIM vs Xiaomi Redmi 2 vs Microsoft Lumia 535 Dual SIM comparison

Show Only Differences Highlight Differences	Microsoft Lumia 640 Dual SIM	Xiaomi Redmi 2	Microsoft Lumia 535 Dual SIM
key specs
Display	5.00-inch	4.70-inch	5.00-inch
Processor	Qualcomm Snapdragon 400	Qualcomm Snapdragon 410	Qualcomm Snapdragon 200
Front Camera	0.9-megapixel	2-megapixel	5-megapixel
Rear Camera	8-megapixel	8-megapixel	5-megapixel
RAM	1GB	1GB	1GB
Storage	8GB	8GB	8GB
Battery Capacity	2500mAh	2200mAh	1905mAh
OS	Windows Phone 8.1	Android 4.4	Windows 8.1
Resolution	720x1280 pixels	720x1280 pixels	540x960 pixels
general
Brand	Microsoft	Xiaomi	Microsoft
Model	Lumia 640 Dual SIM	Redmi 2	Lumia 535 Dual SIM
Release date	February 1, 2015	January 1, 2015	November 1, 2014
Form factor	Touchscreen	Touchscreen	Touchscreen
Dimensions (mm)	141.30 x 72.20 x 8.80	134.00 x 67.20 x 9.40	140.20 x 72.40 x 8.80
Weight (g)	145.00	133.00	146.00
Battery capacity (mAh)	2500	2200	1905
Removable battery	Yes	Yes	Yes
Colours	-	White, Black, Yellow, Pink, Green	cyan, bright green, white, black, bright orange
SAR value	-	-	0.54
display
Screen size (inches)	5.00	4.70	5.00
Touchscreen	Yes	Yes	Yes
Resolution	720x1280 pixels	720x1280 pixels	540x960 pixels
Pixels per inch (PPI)	294	312	220
hardware
Processor	1.2GHz quad-core	1.2GHz quad-core	1.2GHz quad-core
Processor make	Qualcomm Snapdragon 400	Qualcomm Snapdragon 410	Qualcomm Snapdragon 200
RAM	1GB	1GB	1GB
Internal storage	8GB	8GB	8GB
Expandable storage	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD
Expandable storage up to (GB)	128	32	128
camera
Rear camera	8-megapixel	8-megapixel	5-megapixel
Rear flash	LED	Yes	LED
Front camera	0.9-megapixel	2-megapixel	5-megapixel
software
Operating system	Windows Phone 8.1	Android 4.4	Windows 8.1
Skin	-	MIUI 6	Lumia Denim
connectivity
Wi-Fi	Yes	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	802.11 b/g/n	802.11 b/g/n
GPS	Yes	Yes	Yes
Bluetooth	Yes	Yes, v 4.00	Yes, v 4.00
NFC	No	No	No
Infrared	No	No	No
USB OTG	No	Yes	No
Headphones	3.5mm	3.5mm	3.5mm
FM	Yes	Yes	Yes
Number of SIMs	2	2	2
Wi-Fi Direct	No	No	No
Mobile High-Definition Link (MHL)	No	No	No
sim 1
SIM Type	Micro-SIM	Micro-SIM	Micro-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	No	Yes	No
sim 2
SIM Type	Micro-SIM	Micro-SIM	Micro-SIM
GSM/CDMA	GSM	GSM	GSM
3G	Yes	Yes	Yes
4G/ LTE	No	Yes	No
sensors
Compass/ Magnetometer	Yes	Yes	No
Proximity sensor	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes
Ambient light sensor	Yes	Yes	Yes
Gyroscope	No	Yes	No
Barometer	No	No	No
Temperature sensor	No	No	No
ratings
Overall NDTV Rating	-	Read Review	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-

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