Phone Comparison - Karbonn A1+ Duple vs Micromax Bolt A47 vs Karbonn A91

general General Info

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

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor Dual-core 1.3 GHz Dual-core 1.3 GHz, MTK 6572 Dual-core 1.3 GHz, MTK 6572
GPU - Mali-400 Mali-400MP
RAM 256 MB 256 MB 256 MB
Internal Memory 512 MB ROM 512 MB (161 MB for Apps, 14.4 MB for Mass Storage) 512 MB ROM
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen TFT Capacitive Touchscreen
Colors 16M colors 16.7M colors 16M colors
Size 3.5 inches 4.0 inches 4.0 inches
Resolution 320 x 480 pixels (165 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 with Recording FM Radio with Recording FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 3 MP, 2048x1536 pixels 2 MP, 1600x1200 pixels 3.2 MP, 2048x1536 pixels
Flash LED flash LED flash No
Features Fixed Focus, Face Detection Fixed Focus, Geo-tagging, Multi-shot, Night Mode Geo-tagging
Video Yes Yes, 480p@30fps Yes, 720p
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes, Class 12 Yes
Edge Yes Yes, Class 12 Yes
3G No No No
Bluetooth Yes, with A2DP Yes, v4.0 A2DP, EDR 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 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support No No
Browser HTML HTML5 HTML

memory User Memory

Internal 512 MB ROM, 256 MB RAM 512 MB (161 MB for Apps, 14.4 MB for Mass Storage), 256 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 1300 mAh 1600 mAh 1500 mAh
Stand by - Up to 180 h -
Talk Time - Up to 6 h -