Zen Z90

Karbonn A21

Price
Rs. 1,549.00 Rs. 6,999.00
Capacity
850 mAH, Li-ion 1800 mAH, Li-ion

111.8% more mAH battery than Karbonn A21. More battery capacity reduces the need to charge your battery again. (1800 mAH, Li-ion vs. 850 mAH, Li-ion)

TalkTime
Up to 3 Hours(2G) Up to 5 Hours(2G)
Stand By Time
Up to 250 Hours(2G) Up to 200 Hours(2G)
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)

Zoom
Digital Zoom Digital Zoom
Camera Features
Image Viewer Auto Focus
Front Camera
1.3 MP
Flash
LED
EDGE
Yes
3G
HSDPA 7.2 Mbit/s, HSUPA
Wi-Fi
Wi-Fi 802.11, b/g/n
Operating Frequency
GSM 1800 / 900 MHz | GSM 1800 / 900 MHz GSM 1800 / 1900 / 900 MHz UMTS 2100 MHz | GSM 1800 / 1900 / 900 MHz
GPRS
Yes Yes
Bluetooth
Yes v2.1, A2DP
USB Connectivity
USB Port, USB 1.1 USB Port, USB 2.0, microUSB 2.0
Touch Screen
Resistive Touchscreen Capacitive Touchscreen, Multi-touch
Screen Size
2.4 Inch 4.5 Inch

87.5% 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. 2.4 Inch)

Weight
104 grams
Dimensions
112 x 60.5 x 11.5 mm
Colours
Black Black
Screen Resolution
240 x 320 pixels 480 x 800 pixels
Pixel Density (sharpness)
167 ppi 207 ppi

24.0% Higher pixel density than Karbonn A21. High pixel density shows sharper text and extremely detailed photos and videos. (207 ppi vs. 167 ppi)

Display Type
TFT TFT
Box Contents
Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card Handset, Battery, Charger, Earphone, USB Cable, User Manual, Warranty Card
Sensors
Accelerometer
GPS
Yes
Operating System
Android v4 (Ice Cream Sandwich)
Brand
Zen Karbonn
Model
Z90 A21
SIM Slot(s)
Dual SIM, GSM+GSM Dual SIM, GSM+GSM
Also Known As
Zen Swivel Z90
OS Type
Android
FM Radio
Yes Yes
Loudspeaker
Yes
Audio Jack
3.5 mm
Processor
Dual core, 1.2 GHz, Qualcomm Snapdragon
RAM
512 MB
Internal Memory
100 MB 4 GB
Expandable Memory
Up to 4 GB Up to 32 GB
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