Karbonn A21

Micromax Bolt A068

Price
Rs. 6,999.00 Rs. 5,900.00
Capacity
1800 mAH, Li-ion 2000 mAH, Li-ion

11.1% more mAH battery than Micromax Bolt A068. More battery capacity reduces the need to charge your battery again. (2000 mAH, Li-ion vs. 1800 mAH, Li-ion)

TalkTime
Up to 5 Hours(2G) Up to 420 Minute(2G)
Stand By Time
Up to 200 Hours(2G) Up to 230 Hours(2G)
Main Camera
5 MP, Auto focus 5 MP
Front Camera
1.3 MP

333.3% more mega pixels (MP) on front camera than Micromax Bolt A068. More front camera resolution means better selfies picture. Front facing cameras also used for video call on Skype (1.3 MP vs. 0.3 MP)

0.3 MP
Flash
LED LED
Zoom
Digital Zoom Digital Zoom
Camera Features
Auto Focus
Operating Frequency
GSM 1800 / 1900 / 900 MHz UMTS 2100 MHz | GSM 1800 / 1900 / 900 MHz GSM 1800 / 900 MHz UMTS 2100 MHz | GSM 1800 / 900 MHz
GPRS
Yes Yes
EDGE
Yes Yes
3G
HSDPA 7.2 Mbit/s, HSUPA HSDPA , HSUPA
Wi-Fi
Wi-Fi 802.11, b/g/n Wi-Fi 802.11
Bluetooth
v2.1, A2DP Yes
USB Connectivity
USB Port, USB 2.0, microUSB 2.0 USB Port
Touch Screen
Capacitive Touchscreen, Multi-touch Capacitive Touchscreen, Multi-touch
Weight
104 grams
Dimensions
112 x 60.5 x 11.5 mm
Screen Size
4.5 Inch 5.0 Inch

11.1% bigger screen size than Micromax Bolt A068. The bigger the screen size is better the user experience of reading and watching movie or video songs. (5.0 Inch vs. 4.5 Inch)

Colours
Black Black,White
Screen Resolution
480 x 800 pixels 800 x 480 pixels
Pixel Density (sharpness)
207 ppi

10.7% Higher pixel density than Micromax Bolt A068. High pixel density shows sharper text and extremely detailed photos and videos. (207 ppi vs. 187 ppi)

187 ppi
Display Type
TFT LCD
Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Sensors
Accelerometer Accelerometer
GPS
Yes
Brand
Karbonn Micromax
Model
A21 Bolt A068
Operating System
Android v4 (Ice Cream Sandwich) Android v4.2 (Jelly Bean)
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
Dual core, 1.2 GHz, Qualcomm Snapdragon Dual core, 1 GHz
RAM
512 MB 512 MB
Internal Memory
4 GB 4 GB
Expandable Memory
Up to 32 GB Up to 32 GB
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