Phone Comparison - Samsung Galaxy Star Duos S5282 vs Karbonn A12+ vs Micromax Bolt A46

general General Info

Manufacturer Samsung Karbonn Micromax
Announced April 2013 October 2013 January 2014
Status Available - May 2013 Available - October 2013 Available - January 2014
Colors Black, White, Blue White, Black Black
Form Factor Candybar Candybar Candybar
Dimension 105 x 58 x 11.9 mm
(4.13 x 2.28 x 0.47 in)
- -
Weight 100.5 g (3.53.0.18 oz) - -
2G Network GSM 850 / 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 HSDPA 2100 No
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor 1 GHz, Spreadtrum SP8810 Dual-core 1.3 GHz, MTK 6572 Dual-core 1.3 GHz, MTK 6572M
GPU Mali-300 Mali-400MP Mali-400
RAM 512 MB 512 MB 256 MB
Internal Memory 4 GB 4 GB (1.27 GB for apps, 1.24 GB user available) 512 MB (129 MB for Apps, 12.15 MB for Mass Storage)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle TFT capacitive touchscreen
Colors 65K colors 16M colors 16M colors
Size 3.0 inches 4.0 inches 4.0 inches
Resolution 240 x 320 pixels (133 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 45.99% - -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 2 MP, 1600x1200 pixels 5 MP, 2592х1944 pixels 2 MP, 1600x1200 pixels
Flash No LED flash LED flash
Features Fixed Focus, Smile Shot, Auto-focus, Geo-tagging, Face Detection, Panorama Fixed Focus, Geo-tagging
Video Yes, QVGA@15fps Yes, 720p Yes
Front Camera No [Similar] Yes, 2 MP [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G No HSDPA, 21 Mbps; HSUPA, 5.76 Mbps No
Bluetooth Yes, v4.0 Yes, v2.0 A2DP, EDR Yes, v2.1 with 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, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS No Yes, with A-GPS support Yes
Browser HTML HTML HTML

memory User Memory

Internal 4 GB, 512 MB RAM 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM 512 MB (129 MB for Apps, 12.15 MB for Mass Storage), 256 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 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 1200 mAh 1400 mAh 1500 mAh
Stand by Up to 320 h - Up to 180 h
Talk Time Up to 14 h - Up to 4 h 30 min