Phone Comparison - Karbonn A12+ vs Micromax Bolt A61 vs Micromax Bolt A47

general General Info

Manufacturer Karbonn Micromax Micromax
Announced October 2013 November 2013 December 2013
Status Available - October 2013 Available - November 2013 Available - December 2013
Colors White, Black Black White
Form Factor Candybar Candybar Candybar
Dimension - - 125.3 x 65.5 x 12.3 mm
(4.93 x 2.58 x 0.48 in)
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 - SIM 1 only No
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Android OS, v4.1 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor Dual-core 1.3 GHz, MTK 6572 1 GHz, Spreadtrum SC7710 Dual-core 1.3 GHz, MTK 6572
GPU 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 (135 MB for Apps) 512 MB (161 MB for Apps, 14.4 MB for Mass Storage)
External Memory microSD, up to 32 GB microSD, up to 16 GB microSD, up to 32 GB

display Display

Type IPS LCD Capacitive Touchscreen, Wide Viewing Angle TFT touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16.7M 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 - - 55.60%
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 2 MP, 1600x1200 pixels 2 MP, 1600x1200 pixels
Flash LED flash No LED flash
Features Auto-focus, Geo-tagging, Face Detection, Panorama Fixed Focus Fixed Focus, Geo-tagging, Multi-shot, Night Mode
Video Yes, 720p Yes, 480p Yes, 480p@30fps
Front Camera Yes, 2 MP [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes, Class 12
Edge Yes Yes Yes, Class 12
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps No
Bluetooth Yes, v2.0 A2DP, EDR Yes, v2.1 with EDR Yes, v4.0 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 Yes, microUSB v2.0
GPS Yes, with A-GPS support No No
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM 512 MB (135 MB for Apps), 256 MB RAM 512 MB (161 MB for Apps, 14.4 MB for Mass Storage), 256 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 16 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 1600 mAh
Stand by - Up to 160 h Up to 180 h
Talk Time - Up to 3 h 55 min Up to 6 h