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Asus Padfone vs Karbonn A21

General Info

Manufacturer
Asus Karbonn
Announced
February 2012 2012
Status
Available - July 2012 Available
Colors
Black Pearl White
Form Factor
Candybar Candybar
Dimension
128 x 65.4 x 9.2 mm
(5.04 x 2.57 x 0.36 in)
-
Weight
129 g (4.55 oz) -
2G Network
GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 900 / 2100 HSDPA 2100
Messaging
SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

Display

Type
Capacitive touchscreen TFT capacitive touchscreen
Colors
16M colors 256K colors
Size
4.3 inches [Similar] 4.5 inches [Similar]
Resolution
540 x 960 pixels (256 ppi) [Similar] 480 x 800 pixels (207 ppi) [Similar]
Screen-to-Body Ratio
60.96% -
Multi-Touch

Hardware and OS

OS
Android OS, v4.0 (Ice Cream Sandwich), upgradeable to 4.1 (Jelly Bean) Android OS, v4.0 (Ice Cream Sandwich)
Processor
Dual-core 1.5 GHz Krait, Qualcomm MSM8260A Snapdragon [Similar] Dual-core 1.2 GHz [Similar]
GPU
Adreno 225 [Similar] -
RAM
1 GB [Browse Similar] 512 MB [Browse Similar]
Internal Memory
16/32/64 GB storage 4 GB
External Memory
microSD, up to 32GB microSD, up to 32 GB

Camera

Rear Camera
5 MP, 2592x1944 pixels [Similar] 5 MP, 2592х1944 pixels [Similar]
Flash
No LED flash
Features
Auto focus, Geo-tagging Auto focus, Geo-tagging, Face Detection
Video
Yes Yes
Front Camera
Yes [Similar] Yes, 1.3 MP [Similar]

Multimedia

3.5mm Jack
Radio
No No
Games
Yes Yes + Downloadable
Loud Speaker

Connectivity and Data Rate

GPRS
Yes Yes
Edge
Yes Yes
3G
HSDPA, HSUPA HSDPA, 7.2 Mbps
Bluetooth
Yes, v2.1 with A2DP Yes, v2.1 with A2DP
Wi-Fi
Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n
USB
Yes, v2.0 Yes, microUSB v2.0
GPS
Yes, with A-GPS support Yes, with A-GPS support
Browser
HTML, Adobe Flash HTML

User Memory

Internal
16/32/64 GB storage, 1 GB RAM 4 GB, 512 MB RAM
Expandable Storage
microSD, up to 32GB microSD, up to 32 GB

Sensors

Fingerprint
Proximity Sensor
Accelerometer Sensor
NFC

Battery

Type
Standard battery, Li-Ion Li-Ion Battery
Capacity
1520 mAh 1800 mAh
Stand by
Up to 360 h (2G)
Up to 370 h (3G)
Up to 200 h
Talk Time
Up to 15 h 40 min (2G)
Up to 8 h (3G)
Up to 5 h
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