Phone Comparison - Karbonn A12 vs Samsung Galaxy Trend II Duos S7572 vs Micromax A72 Canvas Viva

general General Info

Manufacturer Karbonn Samsung Micromax
Announced February 2013 April 2013 April 2013
Status Available - February 2013 Available - May 2013 Available - April 2013
Colors Black/White White, Gray Black, White
Form Factor Candybar Candybar Candybar
Dimension 135 x 66 x 11 mm
(5.31 x 2.6 x 0.43 in)
121.5 x 63.1 x 11.1 mm
(4.78 x 2.48 x 0.44 in)
142.8 x 76 x 10.6 mm
(5.62 x 2.99 x 0.42 in)
Weight 164 g (5.78 oz) 128.5 g (4.52.0.18 oz) 186 g (6.56 oz)
2G Network GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM1 & SIM 2
3G Network HSDPA 2100 - SIM 1 only HSDPA 900 / 2100 No
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.1 (Jelly Bean) Android OS, v2.3.6 (Gingerbread)
Processor 1 GHz Dual-core 1.2 GHz 1 GHz
GPU - - -
RAM 512 MB 512 MB 256 MB
Internal Memory 4 GB 4 GB 110 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 4.0 inches 5 inches
Resolution 480 x 854 pixels (218 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (187 ppi)
Screen-to-Body Ratio 62.46% 59.52% 65.28%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio No FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592х1944 pixels 3.15 MP, 2048x1536 pixels 3.0 MP, 2048x1536 pixels
Flash LED flash No No
Features Auto focus, Geo-tagging, Face Detection - Geo-tagging
Video Yes Yes Yes
Front Camera Yes, VGA [Similar] No [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps
Edge Yes Yes Class 12
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps No
Bluetooth Yes Yes, v3.0 Yes, v3.0 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 No
Browser HTML HTML HTML

memory User Memory

Internal 4 GB, 512 MB RAM 4 GB, 512 MB RAM 110 MB, 256 MB RAM, 512 MB ROM
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 1500 mAh 2000 mAh
Stand by Up to 180 h - Up to 280 h
Talk Time Up to 4 h - Up to 7 h