Phone Comparison - Karbonn S2 Titanium vs Micromax Unite 2 A106 vs Karbonn Smart A12 Star

general General Info

Manufacturer Karbonn Micromax Karbonn
Announced May 2013 May 2014 June 2014
Status Available - May 2013 Available - May 2014 Available - June 2014
Colors Black, White Pristine White, Balmy Green, Mystic Grey, Raging Red White, Black
Form Factor Candybar Candybar Candybar
Dimension 145 x 74 x 9.9 mm
(5.71 x 2.91 x 0.39 in)
138.9 x 71.9 x 9.4 mm
(5.47 x 2.83 x 0.37 in)
124.2 x 64.2 x 10.1 mm
(4.89 x 2.53 x 0.4 in)
Weight 186 g (6.56 oz) 158.5 g (5.57.0.18 oz) 130 g (4.59 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 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 Android OS, v4.1 (Jelly Bean) Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.2 GHz Quad-core 1.3 GHz, Mediatek MT6582M Dual-core 1.2 GHz, MTK 6572
GPU - Mali-400MP2 Mali-400MP
RAM 512 MB 1 GB 512 MB
Internal Memory 4 GB 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage) 4 GB (2.4 GB internal storage)
External Memory microSD, up to 32 GB microSD, up to 32 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 16.7M colors 16M colors
Size 5.0 inches 4.7 inches 4.0 inches
Resolution 480 x 854 pixels (196 ppi) 480 x 800 pixels (199 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 64.16% 62.64% 57.23%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 5 MP, 2592x1944 pixels 5 MP, 2592х1944 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Geo-tagging, Face Detection, Panorama
Video Yes Yes, 1080p Yes, 720p
Front Camera Yes, 2 MP [Similar] Yes, 2 MP, 720p [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, 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 hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML5 HTML

memory User Memory

Internal 4 GB, 512 MB RAM 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage), 1 GB RAM 4 GB (2.4 GB internal storage), 512 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB
USB OTG - Supported -

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 Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 2100 mAh 2000 mAh 1400 mAh
Stand by Up to 250 h Up to 190 h Up to 300 h (2G)
Talk Time Up to 6 h Up to 8 h -