Micromax Bolt A40

Karbonn A90

Price
Rs. 3,849.00 Rs. 2,371.00
Capacity
1500 mAH, Li-ion

7.1% more mAH battery than Karbonn A90. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 1400 mAH, Li-ion)

1400 mAH, Li-ion
TalkTime
Up to 4.5 Hours(2G)
Stand By Time
Up to 175 Hours(2G)
Main Camera
2 MP 5 MP

150.0% more mega pixels (MP) on main camera than Karbonn A90. 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
Flash
LED LED
Video Recording
Recording Formats: 3GP
Zoom
Digital Zoom Digital Zoom
Operating Frequency
GSM 1800 / 900 MHz | GSM 1800 / 900 MHz GSM 1800 / 900 MHz | GSM 1800 / 900 MHz
GPRS
Yes Yes
EDGE
Yes Yes
Wi-Fi
Wi-Fi 802.11, b/g/n Wi-Fi 802.11, b/g/n
Bluetooth
v2.1 Yes
USB Connectivity
USB Port, USB 2.0, microUSB USB Port
Touch Screen
Capacitive Touchscreen Capacitive Touchscreen, Multi-touch
Weight
158 grams 116 grams

42.0 grams Lighter than Karbonn A90. light weight phone is easy to hold and can kept in your pocket for long time. (116 grams vs. 158 grams)

Dimensions
135 x 67 x 10 mm

0.6 mm Thinner than Karbonn A90. Slim mobile phone is easy to handle and looks gorgeous in hand. (135 x 67 x 10 mm vs. 125 x 65 x 10.6 mm)

125 x 65 x 10.6 mm
Screen Size
4.5 Inch

12.5% bigger screen size than Karbonn A90. The bigger the screen size is better the user experience of reading and watching movie or video songs. (4.5 Inch vs. 4 Inch)

4 Inch
Colours
Black,White Black,White
Screen Resolution
480 x 854 pixels 480 x 800 pixels
Pixel Density (sharpness)
218 ppi 233 ppi

6.9% Higher pixel density than Karbonn A90. High pixel density shows sharper text and extremely detailed photos and videos. (233 ppi vs. 218 ppi)

Display Type
TFT IPS 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
Applications
EYE Room, M!Live, 3in1 Bubbles, Hike, Spuul Google Play Store, Gmail, Google Search and Voice Search, Google Talk, Widgets, etc.
GPS
Yes
Brand
Micromax Karbonn
Model
Bolt A40 A90
Operating System
Android v2.3.5 (Gingerbread) Android v4.0 (Ice Cream Sandwich)
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: SC6820 1 GHz
RAM
512 MB 512 MB
Internal Memory
512 MB 512 MB
Expandable Memory
Up to 32 GB Up to 32 GB
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