Phone Comparison - Karbonn Smart A51 vs Micromax Bolt A40

Karbonn Smart A51
karbonn smart a51
Micromax Bolt A40
micromax bolt a40
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general General Info

Manufacturer Karbonn Micromax
Announced September 2013 September 2013
Status Available - September 2013 Available - September 2013
Colors White Silver Black
Form Factor Candybar Candybar
Dimension - -
Weight - -
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network No No
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0 (Ice Cream Sandwich) Android OS, v2.3.5 (Gingerbread)
Processor 1 GHz [Similar] 1 GHz Cortex-A5, Spreadtrum SC6820 [Similar]
GPU - Mali-400 [Similar]
RAM 256 MB [Browse Similar] 512 MB [Browse Similar]
Internal Memory 512 MB (100 MB user available) 512 MB (75 MB user available)
External Memory microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen TFT touchscreen
Colors 16M colors 16M colors
Size 3.5 inches [Similar] 4.5 inches [Similar]
Resolution 320 x 480 pixels (165 ppi) 480 x 854 pixels (218 ppi) [Similar]
Screen-to-Body Ratio - -
Multi-Touch yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 3.15 MP, 2048x1536 pixels [Similar] 2 MP, 1600x1200 pixels [Similar]
Flash LED flash LED Flash
Features - Fixed Focus, Geo-tagging
Video Yes Yes, 480p
Front Camera Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes
Edge Yes Yes
3G No No
Bluetooth Yes Yes, 2.1
Wi-Fi Wi-Fi 802.11 b/g, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes Yes
GPS No No
Browser HTML HTML

memory User Memory

Internal 512 MB (100 MB user available), 256 MB RAM 512 MB (75 MB user available), 512 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB

Apps Sensors

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

battery Battery

Type Li-Ion Battery Li-Ion Battery
Capacity 1100 mAh 1500 mAh
Stand by - Up to 175 h
Talk Time - Up to 4 h 30 min