Phone Comparison - Karbonn A12 vs Karbonn A25 vs Karbonn A7 Star

general General Info

Manufacturer Karbonn Karbonn Karbonn
Announced February 2013 May 2013 May 2013
Status Available - February 2013 Available - May 2013 Available - May 2013
Colors Black/White White, Black Black, White
Form Factor Candybar Candybar Candybar
Dimension 135 x 66 x 11 mm
(5.31 x 2.6 x 0.43 in)
- -
Weight 164 g (5.78 oz) - -
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 - SIM 1 only No No
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.0 (Ice Cream Sandwich) Android OS, v4.0.4 (Ice Cream Sandwich)
Processor 1 GHz Dual-core 1 GHz Dual-core 1 GHz
GPU - - -
RAM 512 MB 512 MB 512 MB
Internal Memory 4 GB 512 MB ROM 164 MB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type Capacitive Touchscreen TFT capacitive touchscreen TFT Capacitive Touchscreen
Colors 262K colors - 16M colors
Size 4.5 inches 5.0 inches 4.5 inches
Resolution 480 x 854 pixels (218 ppi) 480 x 800 pixels (187 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 62.46% - -
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 5 MP, 2592х1944 pixels 5 MP, 2592х1944 pixels 5 MP, 2592х1944 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Face Detection Auto focus, Geo-tagging Auto focus, Geo-tagging
Video Yes Yes Yes
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes, Class 12 Yes
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps No No
Bluetooth Yes Yes, v3.0 Yes, with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n 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 Yes, with A-GPS support Yes, with A-GPS support No
Browser HTML HTML HTML

memory User Memory

Internal 4 GB, 512 MB RAM 512 MB ROM, 512 MB RAM 164 MB, 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 1800 mAh 2000 mAh 1400 mAh
Stand by Up to 180 h - -
Talk Time Up to 4 h - -