> > Zen Z90 vs. Karbonn A21

Compare Zen Z90 vs. Karbonn A21

Zen Z90
 		VS
Karbonn A21
VS
Best Price
Price Rs. 1,549.00 Rs. 6,999.00
Battery
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)
Camera
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
Connectivity
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
Design
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
Display
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
Features
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
General
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
Multimedia
FM Radio Yes Yes
Loudspeaker Yes
Audio Jack 3.5 mm
Performance
Processor Dual core, 1.2 GHz, Qualcomm Snapdragon
RAM 512 MB
Storage
Internal Memory 100 MB 4 GB
Expandable Memory Up to 4 GB Up to 32 GB
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