Phone Comparison - Karbonn A9 Star vs Karbonn A12+ vs Karbonn A1+ Duple

general General Info

Manufacturer Karbonn Karbonn Karbonn
Announced September 2013 October 2013 November 2013
Status Available - September 2013 Available - October 2013 Available - November 2013
Colors Black White, Black Black, White
Form Factor Candybar Candybar Candybar
Dimension - - -
Weight - - -
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 2100 No
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1 GHz Dual-core 1.3 GHz, MTK 6572 Dual-core 1.3 GHz
GPU - Mali-400MP -
RAM 512 MB 512 MB 256 MB
Internal Memory 4 GB 4 GB (1.27 GB for apps, 1.24 GB user available) 512 MB ROM
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle IPS LCD Capacitive Touchscreen
Colors 262K colors 16M colors 16M colors
Size 3.97 inches 4.0 inches 3.5 inches
Resolution 480 x 800 pixels (235 ppi) 480 x 800 pixels (233 ppi) 320 x 480 pixels (165 ppi)
Screen-to-Body Ratio - - -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 5 MP, 2592х1944 pixels 3 MP, 2048x1536 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus Auto-focus, Geo-tagging, Face Detection, Panorama Fixed Focus, Face Detection
Video Yes Yes, 720p Yes
Front Camera Yes, VGA [Similar] Yes, 2 MP [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, HSUPA HSDPA, 21 Mbps; HSUPA, 5.76 Mbps No
Bluetooth Yes, with A2DP Yes, v2.0 A2DP, EDR Yes, with A2DP
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 Yes
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML HTML

memory User Memory

Internal 4 GB, 512 MB RAM 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM 512 MB ROM, 256 MB RAM
Expandable Storage microSD, up to 32 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 not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1500 mAh 1400 mAh 1300 mAh
Stand by - - -
Talk Time - - -