Phone Comparison - Nokia Lumia 520 vs Sony Xperia M Dual vs Karbonn A12+

general General Info

Manufacturer Nokia Sony Karbonn
Announced February 2013 June 2013 October 2013
Status Available - April 2013 Available - September 2013 Available - October 2013
Colors Yellow, red, cyan, white/black Black, White, Purple, Yellow White, Black
Form Factor Candybar Candybar Candybar
Dimension 119.9 x 64 x 9.9 mm
(4.72 x 2.52 x 0.39 in)
124 x 62 x 9.3 mm
(4.88 x 2.44 x 0.37 in)
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Weight 124 g (4.37 oz) 115 g (4.06 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Both Versions) GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100
HSDPA 850 / 1900 / 2100
HSDPA 900 / 2100 - C2005
HSDPA 850 / 1700 / 1900 / 2100 - C2004
HSDPA 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

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

display Display

Type IPS LCD capacitive touchscreen TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.0 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 854 pixels (245 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 59.47% 57.31% -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

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

connectivity Connectivity and Data Rate

GPRS Yes Up to 86 kbps Yes
Edge Yes Up to 237 kbps 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 Yes, v4.0 with A2DP, ANT+ Yes, v2.0 A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot 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 Yes, with A-GPS support
Browser HTML5 HTML5 HTML

memory User Memory

Internal 8 GB storage, 512 MB RAM 4 GB, 1 GB 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 32 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 supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1430 mAh 1750 mAh 1400 mAh
Stand by Up to 384 h (3G)
Up to 360 h (3G)
Up to 498 h (2G)
Up to 454 h (3G)
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Talk Time Up to 17 h 24 min (2G)
Up to 9 h 42 min (3G)
Up to 10 h 16 min (2G)
Up to 9 h (3G)
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