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Nokia Lumia 2520 vs Microsoft Surface 2 (4G LTE) vs iBall 3G 7271 HD70 vs HP Slate 7 Voice Tab

Nokia Lumia 2520 vs Microsoft Surface 2 (4G LTE) vs iBall 3G 7271 HD70 vs HP Slate 7 Voice Tab comparison

Show Only Differences Highlight Differences	Nokia Lumia 2520	Microsoft Surface 2 (4G LTE)	iBall 3G 7271 HD70	HP Slate 7 Voice Tab
key specs
Display	10.10-inch	10.60-inch	7.00-inch	7.00-inch
Processor	Qualcomm Snapdragon 800	NVIDIA Tegra 4	1.3GHz dual-core	1.2GHz one-core
Front Camera	2-megapixel	3.5-megapixel	0.3-megapixel	2-megapixel
Resolution	1920x1080 pixels	1920x1080 pixels	1024x600 pixels	1200x800 pixels
RAM	2GB	2GB	1GB	1GB
OS	Windows RT 8.1	Windows RT 8.1	Android 4.2	Android 4.2
Storage	32GB	32GB	8GB	16GB
Rear Camera	6.7-megapixel	5-megapixel	2-megapixel	5-megapixel
Battery Capacity	8000mAh	-	3000mAh	4100mAh
general
Brand	Nokia	Microsoft	iBall	HP
Model	Lumia 2520	Surface 2 (4G LTE)	3G 7271 HD70	Slate 7 Voice Tab
Release date	October 1, 2013	March 1, 2014	April 1, 2014	February 1, 2014
Dimensions (mm)	168.00 x 267.00 x 8.90	172.00 x 274.60 x 9.30	134.00 x 212.00 x 70.00	115.40 x 189.00 x 9.50
Weight (g)	615.00	907.00	289.00	325.00
Battery capacity (mAh)	8000	-	3000	4100
Removable battery	No	No	No	No
display
Screen size (inches)	10.10	10.60	7.00	7.00
Touchscreen	No	No	No	No
Resolution	1920x1080 pixels	1920x1080 pixels	1024x600 pixels	1200x800 pixels
Pixels per inch (PPI)	218	208	-	-
hardware
Processor	2.2GHz quad-core	1.7GHz quad-core	1.3GHz dual-core	1.2GHz one-core
Processor make	Qualcomm Snapdragon 800	NVIDIA Tegra 4	-	-
RAM	2GB	2GB	1GB	1GB
Internal storage	32GB	32GB	8GB	16GB
Expandable storage	Yes	Yes	Yes	Yes
Expandable storage type	microSD	microSD	microSD	microSD
Expandable storage up to (GB)	32	64	32	32
camera
Rear camera	6.7-megapixel	5-megapixel	2-megapixel	5-megapixel
Front camera	2-megapixel	3.5-megapixel	0.3-megapixel	2-megapixel
Rear flash	No	No	LED	No
software
Operating system	Windows RT 8.1	Windows RT 8.1	Android 4.2	Android 4.2
connectivity
Wi-Fi	Yes	Yes	Yes	Yes
Wi-Fi standards supported	802.11 a/b/g/n	802.11 a/b/g/n	802.11 b/g/n	802.11 b/g/n
GPS	No	Yes	Yes	Yes
Bluetooth	Yes	Yes	Yes	Yes
Bluetooth version	4.00	4.00	-	3.00
NFC	Yes	No	No	No
Infrared	No	No	No	No
USB OTG	No	No	No	No
Headphones	3.5mm	3.5mm	3.5mm	3.5mm
FM	No	No	Yes	No
Number of SIMs	1	1	2	2
Wi-Fi Direct	No	No	Yes	No
Mobile High-Definition Link (MHL)	No	No	No	No
sim 1
SIM Type	Micro-SIM	Micro-SIM	Regular	Regular
GSM/CDMA	GSM	GSM	GSM	GSM
3G	No	Yes	Yes	Yes
4G/ LTE	No	No	No	No
sensors
Compass/ Magnetometer	Yes	Yes	No	Yes
Proximity sensor	Yes	Yes	Yes	Yes
Accelerometer	Yes	Yes	Yes	Yes
Ambient light sensor	No	Yes	No	No
Gyroscope	Yes	Yes	No	Yes
Barometer	No	No	No	No
Temperature sensor	No	No	No	No
sim 2
SIM Type	-	-	Regular	Micro-SIM
GSM/CDMA	-	-	GSM	GSM
3G	-	-	Yes	Yes
4G/ LTE	-	-	No	No

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