Phone Comparison - Karbonn A12 vs Karbonn A21+ vs Karbonn A12+

general General Info

Manufacturer Karbonn Karbonn Karbonn
Announced February 2013 June 2013 October 2013
Status Available - February 2013 Available - July 2013 Available - October 2013
Colors Black/White Black, White White, Black
Form Factor Candybar Candybar Candybar
Dimension 135 x 66 x 11 mm
(5.31 x 2.6 x 0.43 in)
- -
Weight 164 g (5.78 oz) - -
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 2100 - SIM 1 only HSDPA 2100 HSDPA 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - Touch and Swipe Gestures -

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor 1 GHz Dual-core 1 GHz, MTK 6577 Dual-core 1.3 GHz, MTK 6572
GPU - PowerVR SGX531 Mali-400MP
RAM 512 MB 512 MB 512 MB
Internal Memory 4 GB 4 GB (2.1 GB User Memory) 4 GB (1.27 GB for apps, 1.24 GB user available)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type Capacitive Touchscreen TFT Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle
Colors 262K colors 16M colors 16M colors
Size 4.5 inches 5.0 inches 4.0 inches
Resolution 480 x 854 pixels (218 ppi) 480 x 854 pixels (196 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 62.46% - -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio; FM recording 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 LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face Detection Auto focus, Geo-tagging, Touch Focus Auto-focus, Geo-tagging, Face Detection, Panorama
Video Yes Yes, 720p Yes, 720p
Front Camera Yes, VGA [Similar] Yes [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes
Edge Yes Class 12 Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes Yes, v4.0 with A2DP Yes, v2.0 A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n 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, 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 GB (2.1 GB User Memory), 512 MB RAM 4 GB (1.27 GB for apps, 1.24 GB user available), 512 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 1800 mAh 2000 mAh 1400 mAh
Stand by Up to 180 h Up to 240 h -
Talk Time Up to 4 h - -