Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Nokia Lumia 520 vs Karbonn A12+

general General Info

Manufacturer Samsung Nokia Karbonn
Announced December 2012 February 2013 October 2013
Status Available - January 2013 Available - April 2013 Available - October 2013
Colors Black, White Yellow, red, cyan, white/black White, Black
Form Factor Candybar Candybar Candybar
Dimension 143.5 x 76.9 x 9.6 mm
(5.65 x 3.03 x 0.38 in)
119.9 x 64 x 9.9 mm
(4.72 x 2.52 x 0.39 in)
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Weight 162 g (5.71 oz) 124 g (4.37 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 2100
HSDPA 850 / 1900 / 2100
HSDPA 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) Microsoft Windows Phone 8 Android OS, v4.2.2 (Jelly Bean)
Processor Dual-core 1.2 GHz Cortex-A9, Broadcom Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 Dual-core 1.3 GHz, MTK 6572
GPU Broadcom VideoCore IV Adreno 305 Mali-400MP
RAM 1 GB 512 MB 512 MB
Internal Memory 8 GB 8 GB storage 4 GB (1.27 GB for apps, 1.24 GB user available)
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type Capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.0 inches 4.0 inches
Resolution 480 x 800 pixels (187 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 64.20% 59.47% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM Radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592х1944 pixels 5 MP, 2592х1944 pixels
Flash LED flash No LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging Auto-focus, Geo-tagging, Face Detection, Panorama
Video Yes, 1080p@30fps Yes, 720p@30fps Yes, 720p
Front Camera Yes, 2 MP [Similar] No [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP Yes, v2.0 A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS, support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML5 HTML5 HTML

memory User Memory

Internal 8 GB, 1 GB RAM 8 GB storage, 512 MB RAM 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 2100 mAh 1430 mAh 1400 mAh
Stand by Up to 440 h Up to 384 h (3G)
Up to 360 h (3G)
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Talk Time Up to 10 h 10 min Up to 17 h 24 min (2G)
Up to 9 h 42 min (3G)
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