Phone Comparison - Karbonn A25 vs Karbonn A7 Star vs Karbonn A29

general General Info

Manufacturer Karbonn Karbonn Karbonn
Announced May 2013 May 2013 July 2013
Status Available - May 2013 Available - May 2013 Available - July 2013
Colors White, Black Black, White Black
Form Factor Candybar Candybar Candybar
Dimension - - -
Weight - - -
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network No No HSDPA 2100
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 (Ice Cream Sandwich) Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.1 (Jelly Bean)
Processor Dual-core 1 GHz Dual-core 1 GHz Dual-core 1.2 GHz, MTK 6577
GPU - - -
RAM 512 MB 512 MB 512 MB
Internal Memory 512 MB ROM 164 MB 4 GB (2.53 GB user available)
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 IPS LCD Capacitive Touchscreen
Colors - 16M colors 16M colors
Size 5.0 inches 4.5 inches 4.7 inches
Resolution 480 x 800 pixels (187 ppi) 480 x 854 pixels (218 ppi) 540 x 960 pixels (234 ppi)
Screen-to-Body Ratio - - -
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 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging Auto focus, Geo-tagging
Video Yes Yes Yes, 720p
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes, Class 12 Yes Yes
3G No No HSDPA, HSUPA
Bluetooth Yes, v3.0 Yes, with A2DP Yes
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 Yes, with A-GPS support No Yes, with A-GPS support
Browser HTML HTML HTML5

memory User Memory

Internal 512 MB ROM, 512 MB RAM 164 MB, 512 MB RAM 4 GB (2.53 GB user available), 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 2000 mAh 1400 mAh 2000 mAh
Stand by - - -
Talk Time - - -