Phone Comparison - Karbonn A21 vs Alcatel One Touch Idol

Karbonn A21
karbonn a21
Alcatel One Touch Idol
alcatel one touch idol
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general General Info

Manufacturer Karbonn Alcatel
Announced 2012 January 2013
Status Available Available - May 2013
Colors Pearl White Silver, Slate, Pink, Red, Yellow
Form Factor Candybar Candybar
Dimension - 133 x 67.5 x 7.9 mm
(5.24 x 2.66 x 0.31 in)
Weight - 109 g (3.84 oz)
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 900 / 2100
HSDPA 850 / 1900 / 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - Dragon Trail Glass

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.1 (Jelly Bean)
Processor Dual-core 1.2 GHz [Similar] Dual-core 1 GHz, MTK 6577+ [Similar]
GPU - -
RAM 512 MB [Browse Similar] N/A
Internal Memory 4 GB 2.4 GB / 13.3 GB (dual SIM version) storage, 512 MB
External Memory microSD, up to 32 GB microSD, up to 32 GB (dual SIM version)

display Display

Type TFT capacitive touchscreen IPS LCD capacitive touchscreen
Colors 256K colors 16M colors
Size 4.5 inches [Similar] 4.66 inches [Similar]
Resolution 480 x 800 pixels (207 ppi) [Similar] 540 x 960 pixels (236 ppi) [Similar]
Screen-to-Body Ratio - 66.89%
Multi-Touch yes yes

multimedia Multimedia

3.5mm Jack yes yes
Radio No Stereo FM radio with RDS
Games Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels [Similar] 8 MP, 3264 x 2448 pixels [Similar]
Flash LED flash LED flash
Features Auto focus, Geo-tagging, Face Detection Auto focus, Geo-tagging, Touch Focus
Video Yes Yes
Front Camera Yes, 1.3 MP [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G HSDPA, 7.2 Mbps HSDPA 7.2 Mbps
Bluetooth Yes, v2.1 with A2DP Yes, v3.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML

memory User Memory

Internal 4 GB, 512 MB RAM 2.4 GB / 13.3 GB (dual SIM version) storage, 512 MB
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB (dual SIM version)

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery
Capacity 1800 mAh 1800 mAh
Stand by Up to 200 h Up to 415 h (2G)
Up to 410 h (3G)
Talk Time Up to 5 h Up to 7 h 10 min (2G)
Up to 3 h 30 min (3G)