Micromax Bolt A37B

Karbonn Smart A12 Star

Price
Rs. 3,245.00 Rs. 3,655.00
Capacity
1450 mAH, Li-ion

3.6% more mAH battery than Karbonn Smart A12 Star. More battery capacity reduces the need to charge your battery again. (1450 mAH, Li-ion vs. 1400 mAH, Li-ion)

1400 mAH, Li-ion
TalkTime
Up to 5.5 Hours(2G)
Stand By Time
Up to 256 Hours(2G)
Main Camera
2 MP 5 MP

150.0% more mega pixels (MP) on main camera than Karbonn Smart A12 Star. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (5 MP vs. 2 MP)

Front Camera
0.3 MP 0.3 MP
Zoom
Digital Zoom Digital Zoom
Flash
LED
Operating Frequency
GSM 1800 / 900 MHz UMTS 2100 MHz | GSM 1800 / 900 MHz GSM 1800 / 900 MHz UMTS 2100 MHz | GSM 1800 / 900 MHz
GPRS
Yes Yes
EDGE
Yes Yes
3G
HSDPA 21 Mbit/s, HSUPA 5.76 Mbit/s HSDPA , HSUPA
Wi-Fi
Wi-Fi 802.11 Wi-Fi 802.11, b/d/g
Bluetooth
v2.1, EDR Yes
USB Connectivity
USB Port, microUSB 2.0 USB Port, microUSB 2.0
Touch Screen
Capacitive Touchscreen Capacitive Touchscreen, Multi-touch
Colours
Black Black,White
Screen Size
3.5 Inch 4.0 Inch

14.3% bigger screen size than Karbonn Smart A12 Star. The bigger the screen size is better the user experience of reading and watching movie or video songs. (4.0 Inch vs. 3.5 Inch)

Screen Resolution
480 x 320 pixels 480 x 800 pixels
Pixel Density (sharpness)
165 ppi 233 ppi

41.2% Higher pixel density than Karbonn Smart A12 Star. High pixel density shows sharper text and extremely detailed photos and videos. (233 ppi vs. 165 ppi)

Display Type
TFT LCD
GPS
Yes
Sensors
Accelerometer
Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Brand
Micromax Karbonn
Model
Bolt A37B Smart A12 Star
Operating System
Android v4.2 (Jelly Bean) Android v4.4.2 (KitKat)
SIM Slot(s)
Dual SIM, GSM+GSM Dual SIM, GSM+GSM
OS Type
Android Android
FM Radio
Yes Yes
Loudspeaker
Yes Yes
Audio Jack
3.5 mm 3.5 mm
Processor
1 GHz, Chipset: MT6572E Dual core, 1.2 GHz
RAM
256 MB 512 MB

100.0% More RAM memory than Karbonn Smart A12 Star. more RAM makes your mobile significantly faster and efficient. (512 MB vs. 256 MB)

Internal Memory
512 MB 4 GB
Expandable Memory
Up to 32 GB Up to 32 GB
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