Karbonn A1

Micromax Bolt A28

Price
Rs. 2,690.00 Rs. 3,099.00
Capacity
1100 mAH, Li-ion 1500 mAH, Li-ion

36.4% more mAH battery than Micromax Bolt A28. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 1100 mAH, Li-ion)

TalkTime
Up to 4.16 Hours(2G) Up to 4 Hours(2G)
Stand By Time
Up to 250 Hours(2G) Up to 260 Hours(2G)
Main Camera
3.2 MP

966.7% more mega pixels (MP) on main camera than Micromax Bolt A28. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (3.2 MP vs. 0.3 MP)

0.3 MP
Zoom
Digital Zoom Digital Zoom
Camera Features
Image Viewer
Front Camera
0.3 MP
USB Connectivity
USB Port, Mass storage device USB Port
Operating Frequency
GSM 1800 / 900 MHz UMTS 2100 / 900 MHz | GSM 1800 / 900 MHz GSM 1800 / 900 MHz | GSM 1800 / 900 MHz
GPRS
Yes Yes
EDGE
Yes Yes
3G
HSDPA 7.2 Mbit/s
Wi-Fi
Wi-Fi 802.11, Mobile Hotspot Wi-Fi 802.11
Bluetooth
Yes Yes
Touch Screen
Yes Capacitive Touchscreen
Weight
105 grams 89 grams

16.0 grams Lighter than Micromax Bolt A28. light weight phone is easy to hold and can kept in your pocket for long time. (89 grams vs. 105 grams)

Dimensions
106.8 x 59.2 x 14 mm 116.9 x 62.5 x 12.5 mm

1.5 mm Thinner than Micromax Bolt A28. Slim mobile phone is easy to handle and looks gorgeous in hand. (116.9 x 62.5 x 12.5 mm vs. 106.8 x 59.2 x 14 mm)

Colours
Black Black
Screen Size
2.8 Inch 3.5 Inch

25.0% bigger screen size than Micromax Bolt A28. The bigger the screen size is better the user experience of reading and watching movie or video songs. (3.5 Inch vs. 2.8 Inch)

Screen Resolution
240 x 320 pixels 320 x 480 pixels
Pixel Density (sharpness)
143 ppi 165 ppi

15.4% Higher pixel density than Micromax Bolt A28. High pixel density shows sharper text and extremely detailed photos and videos. (165 ppi vs. 143 ppi)

Display Type
TFT TFT
Sensors
Accelerometer, Motion Sensor
Applications
Android Market–more than 2,00,000 apps, Adobe Flash (10.1)
GPS
with A-GPS with A-GPS
Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Brand
Karbonn Micromax
Model
A1 Bolt A28
Operating System
Android v2.2 (Froyo) Android v2.3 (Gingerbread)
SIM Slot(s)
Dual SIM, GSM+GSM Dual SIM, GSM+GSM
OS Type
Android Android
FM Radio
Yes Recording option
Loudspeaker
Yes Yes
Audio Jack
3.5 mm 3.5 mm
Processor
600 MHz 1 GHz, Cortex A5
RAM
2 GB

700.0% More RAM memory than Micromax Bolt A28. more RAM makes your mobile significantly faster and efficient. (2 GB vs. 256 MB)

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