Phone Comparison - Micromax Bolt A47 vs Karbonn Smart A12 Star

Micromax Bolt A47
micromax bolt a47
Karbonn Smart A12 Star
karbonn smart a12 star
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general General Info

Manufacturer Micromax Karbonn
Announced December 2013 June 2014
Status Available - December 2013 Available - June 2014
Colors White White, Black
Form Factor Candybar Candybar
Dimension 125.3 x 65.5 x 12.3 mm
(4.93 x 2.58 x 0.48 in)
124.2 x 64.2 x 10.1 mm
(4.89 x 2.53 x 0.4 in)
Weight - 130 g (4.59 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network No HSDPA 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Android OS, v4.4.2 (KitKat)
Processor Dual-core 1.3 GHz, MTK 6572 [Similar] Dual-core 1.2 GHz, MTK 6572 [Similar]
GPU Mali-400 [Similar] Mali-400MP [Similar]
RAM 256 MB [Browse Similar] 512 MB [Browse Similar]
Internal Memory 512 MB (161 MB for Apps, 14.4 MB for Mass Storage) 4 GB (2.4 GB internal storage)
External Memory microSD, up to 32 GB microSD, up to 32 GB

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle
Colors 16.7M colors 16M colors
Size 4.0 inches [Similar] 4.0 inches [Similar]
Resolution 480 x 800 pixels (233 ppi) [Similar] 480 x 800 pixels (233 ppi) [Similar]
Screen-to-Body Ratio 55.60% 57.23%
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 2 MP, 1600x1200 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash LED flash LED flash
Features Fixed Focus, Geo-tagging, Multi-shot, Night Mode Geo-tagging, Face Detection, Panorama
Video Yes, 480p@30fps Yes, 720p
Front Camera Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes, Class 12 Yes
Edge Yes, Class 12 Yes
3G No HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth 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
USB Yes, microUSB v2.0 Yes, microUSB v2.0
GPS No Yes, with A-GPS support
Browser HTML5 HTML

memory User Memory

Internal 512 MB (161 MB for Apps, 14.4 MB for Mass Storage), 256 MB RAM 4 GB (2.4 GB internal storage), 512 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery
Capacity 1600 mAh 1400 mAh
Stand by Up to 180 h Up to 300 h (2G)
Talk Time Up to 6 h -