Phone Comparison - Karbonn Smart A2+ vs Karbonn A4+ vs Micromax Bolt A58

general General Info

Manufacturer Karbonn Karbonn Micromax
Announced April 2013 May 2013 October 2013
Status Available - April 2013 Available - May 2013 Available - October 2013
Colors White/Black White/Black Midnight Black, Raging Red
Form Factor Candybar Candybar Candybar
Dimension 123.7 x 63.6 x 12.4 mm
(4.87 x 2.5 x 0.49 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 N/A N/A HSDPA 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.2.2 (Jelly Bean)
Processor 1 GHz Dual-core 1 GHz Dual-core 1.0 GHz, MTK 6572M
GPU - - Mali-400
RAM 256 MB 512 MB 512 MB
Internal Memory 202 MB 139 MB 512 MB (90 MB for Apps)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type Capacitive touchscreen IPS LCD capacitive touchscreen TFT capacitive touchscreen
Colors - 16M colors 262K colors
Size 4.0 inches 4.0 inches 3.5 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 320 x 480 pixels (165 ppi)
Screen-to-Body Ratio 58.00% - -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 3.0 MP, 2048x1536 pixels 3.2 MP, 2048x1536 pixels 2 MP, 1600x1200 pixels
Flash No No No
Features - Face Detection Fixed Focus
Video Yes Yes Yes, 720p@30fps
Front Camera Yes [Similar] No [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G N/A No HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes Yes Yes, v2.0 A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes Yes Yes, microUSB v2.0
GPS No No No
Browser HTML HTML HTML

memory User Memory

Internal 202 MB, 256 MB RAM 139 MB, 512 MB RAM 512 MB (90 MB for Apps), 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 1750 mAh 1250 mAh 1200 mAh
Stand by Up to 120 h - Up to 200 h
Talk Time Up to 3 h 30 min - Up to 4 h