Phone Comparison - Apple iPhone 4 vs Nokia Lumia 520 vs Karbonn A12+

general General Info

Manufacturer Apple Nokia Karbonn
Announced June 2010 February 2013 October 2013
Status Available - June 2010 Available - April 2013 Available - October 2013
Colors Black, White Yellow, red, cyan, white/black White, Black
Form Factor Candybar Candybar Candybar
Dimension 115.2 x 58.6 x 9.3 mm
(4.54 x 2.31 x 0.37 in)
119.9 x 64 x 9.9 mm
(4.72 x 2.52 x 0.39 in)
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Weight 137 g (4.83 oz) 124 g (4.37 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
HSDPA 850 / 1900 / 2100
HSDPA 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS iOS 4, upgradable to iOS 5 Microsoft Windows Phone 8 Android OS, v4.2.2 (Jelly Bean)
Processor 1 GHz Cortex-A8, Apple A4 Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 Dual-core 1.3 GHz, MTK 6572
GPU PowerVR SGX535 Adreno 305 Mali-400MP
RAM 512 MB 512 MB 512 MB
Internal Memory 8/16/32 GB storage 8 GB storage 4 GB (1.27 GB for apps, 1.24 GB user available)
External Memory No microSD, up to 64 GB microSD, up to 32 GB

display Display

Type LED-backlit IPS TFT, capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle
Colors 16M colors 16M colors 16M colors
Size 3.5 inches 4.0 inches 4.0 inches
Resolution 640 x 960 pixels (330 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 53.92% 59.47% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM Radio FM radio
Games Yes + downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 5 MP, 2592х1944 pixels 5 MP, 2592х1944 pixels
Flash LED flash No LED flash
Features Auto focus, Touch Focus, Geo-tagging, HDR Auto focus, Geo-tagging Auto-focus, Geo-tagging, Face Detection, Panorama
Video Yes, 720p@30fps, LED video light, geo-tagging Yes, 720p@30fps Yes, 720p
Front Camera Yes, videocalling over Wi-Fi only [Similar] No [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 10 (4+1/3+2 slots), 32 - 48 kbps Yes Yes
Edge Class 10, 236.8 kbps Yes Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v2.1 with A2DP Yes, v4.0 with A2DP Yes, v2.0 A2DP, EDR
Wi-Fi Wi-Fi 802.11 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, v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML (Safari) HTML5 HTML

memory User Memory

Internal 8/16/32 GB storage, 512 MB RAM 8 GB storage, 512 MB RAM 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM
Expandable Storage No 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-Po Li-Ion Battery Li-Ion Battery
Capacity 1420 mAh 1430 mAh 1400 mAh
Stand by Up to 300 h (2G)
Up to 300 h (3G)
Up to 384 h (3G)
Up to 360 h (3G)
-
Talk Time Up to 14 h (2G)
Up to 7 h (3G)
Up to 17 h 24 min (2G)
Up to 9 h 42 min (3G)
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