Phone Comparison - Karbonn A12+ vs Karbonn A91 vs Micromax Bolt A46

general General Info

Manufacturer Karbonn Karbonn Micromax
Announced October 2013 January 2014 January 2014
Status Available - October 2013 Available - January 2014 Available - January 2014
Colors White, Black White, Black, Pink Black
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 No No
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - Swipe Gesture -

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor Dual-core 1.3 GHz, MTK 6572 Dual-core 1.3 GHz, MTK 6572 Dual-core 1.3 GHz, MTK 6572M
GPU Mali-400MP Mali-400MP Mali-400
RAM 512 MB 256 MB 256 MB
Internal Memory 4 GB (1.27 GB for apps, 1.24 GB user available) 512 MB ROM 512 MB (129 MB for Apps, 12.15 MB for Mass Storage)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type IPS LCD Capacitive Touchscreen, Wide Viewing Angle TFT Capacitive Touchscreen TFT capacitive touchscreen
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 800 pixels (233 ppi) 480 x 800 pixels (233 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
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 3.2 MP, 2048x1536 pixels 2 MP, 1600x1200 pixels
Flash LED flash No LED flash
Features Auto-focus, Geo-tagging, Face Detection, Panorama Geo-tagging Fixed Focus, Geo-tagging
Video Yes, 720p Yes, 720p Yes
Front Camera Yes, 2 MP [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps No No
Bluetooth Yes, v2.0 A2DP, EDR Yes, v2.0 A2DP, EDR Yes, v2.1 with 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 Yes, microUSB v2.0
GPS Yes, with A-GPS support No Yes
Browser HTML HTML HTML

memory User Memory

Internal 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM 512 MB ROM, 256 MB RAM 512 MB (129 MB for Apps, 12.15 MB for Mass Storage), 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 1400 mAh 1500 mAh 1500 mAh
Stand by - - Up to 180 h
Talk Time - - Up to 4 h 30 min