Phone Comparison - Karbonn A21 vs Karbonn A30 vs Karbonn A21+

general General Info

Manufacturer Karbonn Karbonn Karbonn
Announced 2012 2012 June 2013
Status Available Available Available - July 2013
Colors Pearl White Black/White Black, White
Form Factor Candybar Candybar Candybar
Dimension - 166 x 91 x 10.7 mm
(6.54 x 3.58 x 0.42 in)
-
Weight - 280 g (9.88 oz) -
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 2100 HSDPA 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features - - Touch and Swipe Gestures

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1.2 GHz Dual-core 1 GHz Dual-core 1 GHz, MTK 6577
GPU - - PowerVR SGX531
RAM 512 MB 512 MB 512 MB
Internal Memory 4 GB 4 GB 4 GB (2.1 GB User Memory)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen TFT capacitive touchscreen TFT Capacitive Touchscreen
Colors 256K colors 256K colors 16M colors
Size 4.5 inches 5.9 inches 5.0 inches
Resolution 480 x 800 pixels (207 ppi) 480 x 800 pixels (158 ppi) 480 x 854 pixels (196 ppi)
Screen-to-Body Ratio - 65.70% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio FM radio; FM recording
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 8 MP, 3264x2448 pixels 5 MP, 2592х1944 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face Detection Auto focus, Geo-tagging, Face Detection Auto focus, Geo-tagging, Touch Focus
Video Yes Yes Yes, 720p
Front Camera Yes, 1.3 MP [Similar] Yes, 1.3 MP [Similar] Yes [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
Edge Yes Yes Class 12
3G HSDPA, 7.2 Mbps HSDPA, 7.2 Mbps HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v2.1 with A2DP Yes, with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB, 512 MB RAM 4 GB, 512 MB RAM 4 GB (2.1 GB User Memory), 512 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

Apps Sensors

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

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1800 mAh 2500 mAh 2000 mAh
Stand by Up to 200 h Up to 600 h Up to 240 h
Talk Time Up to 5 h Up to 10 h -