Micromax A91 Ninja

Karbonn A21

Price
Rs. 7,999.00 Rs. 6,999.00
Capacity
1800 mAH, Li-ion 1800 mAH, Li-ion
TalkTime
Up to Hours(2G) Up to 5 Hours(2G)
Stand By Time
Up to 200 Hours(2G)
Main Camera
5 MP 5 MP, Auto focus
Front Camera
0.3 MP 1.3 MP

333.3% more mega pixels (MP) on front camera than Karbonn A21. 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)

Zoom
Digital Zoom Digital Zoom
Flash
LED
Camera Features
Auto Focus
Operating Frequency
GSM 1800 / 1900 / 900 MHz UMTS 2100 MHz | GSM 1800 / 1900 / 900 MHz
USB Connectivity
No USB Port, USB 2.0, microUSB 2.0
GPRS
Yes Yes
EDGE
Yes Yes
3G
EV-DO , Rev.A HSDPA 7.2 Mbit/s, HSUPA
Wi-Fi
Wi-Fi 802.11, Mobile Hotspot Wi-Fi 802.11, b/g/n
Bluetooth
v3.0 v2.1, A2DP
Touch Screen
Capacitive Touchscreen Capacitive Touchscreen, Multi-touch
Dimensions
130 x 66 x 10 mm

1.5 mm Thinner than Karbonn A21. Slim mobile phone is easy to handle and looks gorgeous in hand. (130 x 66 x 10 mm vs. 112 x 60.5 x 11.5 mm)

112 x 60.5 x 11.5 mm
Screen Size
4.5 Inch 4.5 Inch
Weight
104 grams
Colours
Black Black
Screen Resolution
480 x 854 pixels 480 x 800 pixels
Pixel Density (sharpness)
218 ppi

5.3% Higher pixel density than Karbonn A21. High pixel density shows sharper text and extremely detailed photos and videos. (218 ppi vs. 207 ppi)

207 ppi
Display Type
LCD TFT
Sensors
Accelerometer, Proximity sensor, Light sensor Accelerometer
GPS
with A-GPS Yes
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
A91 Ninja A21
Operating System
Android v4 (Ice Cream Sandwich) Android v4 (Ice Cream Sandwich)
SIM Slot(s)
Dual SIM, GSM+GSM Dual SIM, GSM+GSM
OS Type
Android Android
Loudspeaker
Yes
Audio Jack
3.5 mm
FM Radio
Yes Yes
Processor
Dual core, 1 GHz, Cortext A9, Chipset: MediaTek MT6577 Dual core, 1.2 GHz, Qualcomm Snapdragon
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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