Phone Comparison - Karbonn Smart A51 vs Samsung Galaxy Star Pro S7262 vs Micromax Bolt A58

general General Info

Manufacturer Karbonn Samsung Micromax
Announced September 2013 October 2013 October 2013
Status Available - September 2013 Available - October 2013 Available - October 2013
Colors White Silver White, Gray Midnight Black, Raging Red
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 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, v4.1.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor 1 GHz 1 GHz Cortex-A5 Dual-core 1.0 GHz, MTK 6572M
GPU - - Mali-400
RAM 256 MB 512 MB 512 MB
Internal Memory 512 MB (100 MB user available) 4 GB ROM 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 TFT capacitive touchscreen TFT capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 262K colors
Size 3.5 inches 4.0 inches 3.5 inches
Resolution 320 x 480 pixels (165 ppi) 480 x 800 pixels (233 ppi) 320 x 480 pixels (165 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 2 MP, 1600x1200 pixels
Flash LED flash No No
Features - Fixed Focus, Geo-tagging Fixed Focus
Video Yes Yes Yes, 720p@30fps
Front Camera Yes, VGA [Similar] No [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G No No HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes Yes Yes, v2.0 A2DP, EDR
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, Wi-Fi hotspot
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 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 not 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 1100 mAh 1500 mAh 1200 mAh
Stand by - Up to 350 h Up to 200 h
Talk Time - Up to 15 h Up to 4 h