Nokia Lumia 638 vs Samsung Omnia M comparison

Show Only Differences Highlight Differences	Nokia Lumia 638	Samsung Omnia M
key specs
Display	4.50-inch	4.00-inch
Processor	Qualcomm Snapdragon 400	1GHz one-core
Front Camera	No	Unspecified
Rear Camera	5-megapixel	5-megapixel
RAM	1GB	384MB
Storage	8GB	4GB
Battery Capacity	1830mAh	1500mAh
OS	Windows Phone 8.1	Windows Phone 7.5
Resolution	480x854 pixels	480x800 pixels
general
Brand	Nokia	Samsung
Model	Lumia 638	Omnia M
Release date	June 1, 2014	July 1, 2012
Form factor	Touchscreen	Bar
Dimensions (mm)	129.50 x 66.70 x 9.20	121.60 x 64.00 x 10.50
Battery capacity (mAh)	1830	1500
Removable battery	No	No
Colours	Orange, Black, Yellow, White	-
Alternate names	-	GT-S7530
Weight (g)	-	120.00
display
Screen size (inches)	4.50	4.00
Touchscreen	Yes	Yes
Resolution	480x854 pixels	480x800 pixels
Pixels per inch (PPI)	-	233
hardware
Processor	1.2GHz quad-core	1GHz one-core
Processor make	Qualcomm Snapdragon 400	-
RAM	1GB	384MB
Internal storage	8GB	4GB
Expandable storage	Yes	No
Expandable storage up to (GB)	128	-
camera
Rear camera	5-megapixel	5-megapixel
Rear flash	No	LED
Front camera	No	Unspecified
software
Operating system	Windows Phone 8.1	Windows Phone 7.5
connectivity
Wi-Fi	Yes	Yes
Wi-Fi standards supported	802.11 b/g/n	-
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 2.10
NFC	No	No
Infrared	No	No
USB OTG	No	No
Headphones	3.5mm	3.5mm
FM	No	No
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	Yes
Proximity sensor	No	Yes
Accelerometer	No	Yes
Ambient light sensor	No	Yes
Gyroscope	No	No
Barometer	No	No
Temperature sensor	No	No

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