Nokia Lumia 638 vs Nokia Lumia 525 comparison

Show Only Differences Highlight Differences	Nokia Lumia 638	Nokia Lumia 525
key specs
Display	4.50-inch	4.00-inch
Processor	Qualcomm Snapdragon 400	Qualcomm Snapdragon S4 Plus
Front Camera	No	No
Rear Camera	5-megapixel	5-megapixel
RAM	1GB	1GB
Storage	8GB	8GB
Battery Capacity	1830mAh	1430mAh
OS	Windows Phone 8.1	Windows Phone 8
Resolution	480x854 pixels	480x800 pixels
general
Brand	Nokia	Nokia
Model	Lumia 638	Lumia 525
Release date	June 1, 2014	November 1, 2013
Form factor	Touchscreen	Touchscreen
Dimensions (mm)	129.50 x 66.70 x 9.20	119.90 x 64.00 x 9.90
Battery capacity (mAh)	1830	1430
Removable battery	No	Yes
Colours	Orange, Black, Yellow, White	Black, Red, White, Yellow
Weight (g)	-	124.00
display
Screen size (inches)	4.50	4.00
Touchscreen	Yes	Yes
Resolution	480x854 pixels	480x800 pixels
Pixels per inch (PPI)	-	235
hardware
Processor	1.2GHz quad-core	1GHz dual-core
Processor make	Qualcomm Snapdragon 400	Qualcomm Snapdragon S4 Plus
RAM	1GB	1GB
Internal storage	8GB	8GB
Expandable storage	Yes	Yes
Expandable storage up to (GB)	128	64
Expandable storage type	-	microSD
camera
Rear camera	5-megapixel	5-megapixel
Rear flash	No	-
Front camera	No	No
software
Operating system	Windows Phone 8.1	Windows Phone 8
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	Yes
Number of SIMs	1	1
Wi-Fi Direct	No	No
Mobile High-Definition Link (MHL)	No	No
sim 1
GSM/CDMA	GSM	GSM
3G	Yes	Yes
4G/ LTE	Yes	No
SIM Type	-	Micro-SIM
sensors
Compass/ Magnetometer	No	No
Proximity sensor	No	Yes
Accelerometer	No	Yes
Ambient light sensor	No	No
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No
ratings
Overall NDTV Rating	-	Read Review
Design Rating	-
Display Rating	-
Software Rating	-
Performance Rating	-
Battery Life Rating	-
Camera Rating	-
Value for Money Rating	-

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