Phone Comparison - Karbonn Smart A51 vs Samsung Galaxy Star Pro S7262 vs Micromax Bolt A24

general General Info

Manufacturer Karbonn Samsung Micromax
Announced September 2013 October 2013 January 2014
Status Available - September 2013 Available - October 2013 Available - January 2014
Colors White Silver White, Gray Black
Form Factor Candybar Candybar Candybar
Dimension - 121.2 x 62.7 x 10.6 cm
(4.77 x 2.47 x 0.42 cm)
-
Weight - 121 g (4.27 oz) -
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network No No No
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, v4.1.2 (Jelly Bean) Android OS, v2.3.5 (Gingerbread)
Processor 1 GHz 1 GHz Cortex-A5 1 GHz, Spreadtrum SC6820
GPU - - -
RAM 256 MB 512 MB 256 MB
Internal Memory 512 MB (100 MB user available) 4 GB ROM 100 MB storage
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 16 GB

display Display

Type TFT capacitive touchscreen TFT capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 65K colors
Size 3.5 inches 4.0 inches 2.8 inches
Resolution 320 x 480 pixels (165 ppi) 480 x 800 pixels (233 ppi) 240 x 320 pixels (143 ppi)
Screen-to-Body Ratio - 60.05% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio Stereo FM radio with RDS, FM recording FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 3.15 MP, 2048x1536 pixels 2 MP, 1600x1200 pixels 0.3 MP, 640 x 480 pixels
Flash LED flash No No
Features - Fixed Focus, Geo-tagging -
Video Yes Yes Yes, 640 x 480, 10 fps
Front Camera Yes, VGA [Similar] No [Similar] No [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 No No No
Bluetooth Yes Yes Yes, v2.1
Wi-Fi Wi-Fi 802.11 b/g, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct Wi-Fi 802.11 b/g/n
USB Yes Yes, microUSB v2.0 Yes, microUSB v2.0
GPS No No No
Browser HTML HTML HTML

memory User Memory

Internal 512 MB (100 MB user available), 256 MB RAM 4 GB ROM, 512 MB RAM 100 MB storage, 256 MB RAM, 512 MB ROM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 16 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor not present proximity sensor not present proximity sensor not 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 1100 mAh 1500 mAh -
Stand by - Up to 350 h Up to 150 h
Talk Time - Up to 15 h Up to 4 h