Phone Comparison - Karbonn A21 vs Karbonn Smart A26 vs Micromax Bolt A67

general General Info

Manufacturer Karbonn Karbonn Micromax
Announced 2012 June 2013 August 2013
Status Available Available - July 2013 Available - August 2013
Colors Pearl White Black, White White
Form Factor Candybar Candybar Candybar
Dimension - 146 x 74 x 8.65 mm
(5.75 x 2.91 x 0.34 in)
137.7 x 67.6 x 10.5 mm
(5.42 x 2.66 x 0.41 in)
Weight - - -
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 2100 No No
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.1.2 (Jelly Bean) Android OS, v4.0.4 (Ice Cream Sandwich)
Processor Dual-core 1.2 GHz Dual-core 1 GHz Dual-core 1 GHz Cortex-A5
GPU - - -
RAM 512 MB N/A 512 MB
Internal Memory 4 GB 4 GB (2.12 GB user available), 512 MB 4 GB (1.2 GB user available)
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 16M colors 262K colors
Size 4.5 inches 5.0 inches 4.5 inches
Resolution 480 x 800 pixels (207 ppi) 480 x 854 pixels (196 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio - 63.72% 59.78%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 5 MP, 2592х1944 pixels 2 MP, 1600x1200 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face Detection Geo-tagging, Touch Focus, Face Detection Geo-tagging, Mult-shot, Night mode
Video Yes Yes Yes
Front Camera Yes, 1.3 MP [Similar] Yes, VGA [Similar] Yes, VGA [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 No No
Bluetooth Yes, v2.1 with A2DP Yes, with A2DP Yes, v2.1, EDR
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 No No
Browser HTML HTML5 HTML5

memory User Memory

Internal 4 GB, 512 MB RAM 4 GB (2.12 GB user available), 512 MB 4 GB (1.2 GB user available), 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 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 2000 mAh 1850 mAh
Stand by Up to 200 h - Up to 192 h
Talk Time Up to 5 h - Up to 4 h