Karbonn A4+ vs Karbonn A21

Karbonn A4+

Karbonn A4+

Announced On:June, 2013

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Karbonn A21

Karbonn A21

Announced On:March, 2012

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Karbonn A4+ vs Karbonn A21

Karbonn A4+	Karbonn A21

Price
EUR: €50	EUR: €130
USD: N/A	USD: N/A
GBP: N/A	GBP: N/A
INR: N/A	INR: N/A
PKR: N/A	PKR: N/A

Form Factor
Body
Candybar, Touchscreen	Candybar, Touchscreen
Dimensions
123 x 63 x 10.5 mm (4.84 x 2.48 x 0.41 in)	-
Weight
87.5 g without battery (3.07 oz)	-
Colors
White/Black	Pearl White

Type
Display
IPS LCD	TFT, 256K colors
Size
4.0 inches, 45.5 cm² (~58.8% screen-to-body ratio)	4.5 inches, 57.6 cm²
Resolution
480 x 800 pixels, 5:3 ratio (~233 ppi density)	480 x 800 pixels, 5:3 ratio (~207 ppi density)
Multitouch
Yes	Yes

Technology
Network
GSM	GSM / HSPA
2G Bands
GSM 900 / 1800 / 1900 SIM 1 & SIM 2	GSM 900 / 1800 / 1900 SIM 1 & SIM 2
3G Bands
	HSDPA 2100

Alert Types
Notifications
Vibration, MP3, WAV ringtones	Vibration, MP3, WAV ringtones

Internal Memory
Memory
90MB	4GB ROM, 512MB RAM
Card Slot
microSDHC (dedicated slot)	microSDHC (dedicated slot)

GPRS
Connectivity
Yes	Yes
EDGE
Yes	Yes
Speed
	HSPA 7.2/0.384 Mbps
WLAN
Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n
Bluetooth
Yes	2.1, A2DP
USB
Proprietary	microUSB 2.0
GPS
No	Yes, with A-GPS
NFC
No	No

Main Camera
Camera
3.15 MP	5 MP, AF
Camera Features
	LED flash
Video
Yes	Yes
Selfie Camera
	1.3 MP

Audio Format Support
Multimedia
MP3/AAC/WMA/WAV	MP3/AAC/WMA/WAV
Video Format Support
MP4/WMV/H.264	MP4/WMV/H.264
Radio
FM radio	No

Operating System (OS)
Software
Android OS, v4.0 (Ice Cream Sandwich)	Android OS, v4.0 (Ice Cream Sandwich)
Browser
HTML	HTML
Messaging
SMS(threaded view), MMS, Email, IM	SMS(threaded view), MMS, Email, Push Email, IM

CPU
Hardware
Dual-core 1.0 GHz	Dual-core 1.2 GHz
Sensors
Accelerometer, proximity	Accelerometer, proximity
SIM
Dual SIM	Dual SIM (Mini-SIM)
Speakers
Yes	Yes
Audio Jack
3.5 mm	3.5 mm

Battery Type
Battery
Li-Ion 1250 mAh battery	Li-Ion 1800 mAh, removable
Standby
Up to 125 h	Up to 200 h
Talk Time
Up to 5 h	Up to 5 h

SAR EU
Misc
0.94 W/kg (head)	0.44 W/kg (head)

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