Micromax X640

Micromax Bolt A28

Price
Rs. 4,999.00 Rs. 3,099.00
Capacity
1000 mAH, Li-ion 1500 mAH, Li-ion

50.0% more mAH battery than Micromax Bolt A28. More battery capacity reduces the need to charge your battery again. (1500 mAH, Li-ion vs. 1000 mAH, Li-ion)

TalkTime
Up to 8 Hours(2G) Up to 4 Hours(2G)
Stand By Time
Up to 260 Hours(2G)
Main Camera
2 MP

566.7% 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. (2 MP vs. 0.3 MP)

0.3 MP
Zoom
Digital Zoom Digital Zoom
Camera Features
Smile detection, Scenes, Continuos Shooting, Multi Shot
Front Camera
0.3 MP
Operating Frequency
GSM 1800 / 900 MHz | GSM 1800 / 900 MHz
GPRS
Yes Yes
EDGE
No Yes
3G
EV-DO , Rev.A
Wi-Fi
Wi-Fi 802.11 Wi-Fi 802.11
Bluetooth
Yes Yes
USB Connectivity
No USB Port
Touch Screen
Yes Capacitive Touchscreen
Dimensions
113.5 x 57.5 x 12.20 mm

0.3 mm Thinner than Micromax Bolt A28. Slim mobile phone is easy to handle and looks gorgeous in hand. (113.5 x 57.5 x 12.20 mm vs. 116.9 x 62.5 x 12.5 mm)

116.9 x 62.5 x 12.5 mm
Screen Size
3.2 Inch 3.5 Inch

9.4% 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. 3.2 Inch)

Colours
Black,Black with Yellow Black
Weight
89 grams
Screen Resolution
240 x 400 pixels 320 x 480 pixels
Pixel Density (sharpness)
146 ppi 165 ppi

13.0% Higher pixel density than Micromax Bolt A28. High pixel density shows sharper text and extremely detailed photos and videos. (165 ppi vs. 146 ppi)

Display Type
LCD TFT
Box Contents
Transceiver, Standard Charger, Standard Battery, User Guide, Warranty Card, Handsfree, Accessories Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
GPS
with A-GPS
Operating System
Android v2.3 (Gingerbread)
OS Type
Android
Brand
Micromax Micromax
Model
X640 Bolt A28
SIM Slot(s)
Dual SIM, GSM+GSM Dual SIM, GSM+GSM
FM Radio
Yes Recording option
Loudspeaker
Yes
Audio Jack
3.5 mm
Processor
1 GHz, Cortex A5
RAM
256 MB
Internal Memory
512 MB
Expandable Memory
Up to 8 GB Up to 32 GB
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