Celkon A9

Karbonn A21

Price
Not Available Rs. 6,999.00
Capacity
1450 mAH, Li-ion 1800 mAH, Li-ion

24.1% more mAH battery than Karbonn A21. More battery capacity reduces the need to charge your battery again. (1800 mAH, Li-ion vs. 1450 mAH, Li-ion)

TalkTime
Up to 6.66 Hours(2G) Up to 5 Hours(2G)
Stand By Time
Up to 200 Hours(2G)
Front Camera
1.3 MP
Flash
LED
Main Camera
3 MP 5 MP, Auto focus

66.7% more mega pixels (MP) on main camera than Karbonn A21. More main camera resolution means better picture quality and detailed photos, which will look sharp on a large screen. (5 MP, Auto focus vs. 3 MP)

Video Recording
Recording Formats: KMV
Zoom
Digital Zoom Digital Zoom
Camera Features
Smile detection, Scenes, Continuos Shooting, Multi Shot Auto Focus
Operating Frequency
GSM 1800 / 1900 / 900 MHz UMTS 2100 MHz | GSM 1800 / 1900 / 900 MHz
Wi-Fi
Wi-Fi 802.11, b/g/n
GPRS
Yes Yes
EDGE
No Yes
3G
EV-DO , Rev.A HSDPA 7.2 Mbit/s, HSUPA
Bluetooth
Yes v2.1, A2DP
USB Connectivity
USB Port USB Port, USB 2.0, microUSB 2.0
Touch Screen
Capacitive Touchscreen Capacitive Touchscreen, Multi-touch
Weight
110 grams 104 grams

6.0 grams Lighter than Karbonn A21. light weight phone is easy to hold and can kept in your pocket for long time. (104 grams vs. 110 grams)

Dimensions
120 x 62 x 12.90 mm 112 x 60.5 x 11.5 mm

1.4 mm Thinner than Karbonn A21. Slim mobile phone is easy to handle and looks gorgeous in hand. (112 x 60.5 x 11.5 mm vs. 120 x 62 x 12.90 mm)

Screen Size
3.5 Inch 4.5 Inch

28.6% bigger screen size than Karbonn A21. The bigger the screen size is better the user experience of reading and watching movie or video songs. (4.5 Inch vs. 3.5 Inch)

Colours
Brown,Black Black
Screen Resolution
480 x 800 pixels 480 x 800 pixels
Pixel Density (sharpness)
267 ppi

29.0% Higher pixel density than Karbonn A21. High pixel density shows sharper text and extremely detailed photos and videos. (267 ppi vs. 207 ppi)

207 ppi
Display Type
LCD TFT
Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
GPS
Yes
Sensors
Accelerometer
OS Type
Android
Operating System
Android v4 (Ice Cream Sandwich)
Brand
Celkon Karbonn
Model
A9 A21
SIM Slot(s)
Dual SIM, GSM+GSM Dual SIM, GSM+GSM
FM Radio
Stereo FM Yes
Loudspeaker
Yes
Audio Jack
3.5 mm
Processor
Dual core, 1.2 GHz, Qualcomm Snapdragon
RAM
512 MB
Internal Memory
4 GB
Expandable Memory
Up to 16 GB Up to 32 GB
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