Phone Comparison - Samsung Rex 90 S5292 vs Samsung GALAXY Pocket Neo Duos S5312 vs Karbonn A12+

general General Info

Manufacturer Samsung Samsung Karbonn
Announced February 2013 April 2013 October 2013
Status Available - March 2013 Available - May 2013 Available - October 2013
Colors White, Brown White, Black, Silver White, Black
Form Factor Candybar Candybar Candybar
Dimension 113 x 61.9 x 11.9 mm
(4.45 x 2.44 x 0.47 in)
105 x 57.8 x 11.8 mm
(4.13 x 2.28 x 0.46 in)
-
Weight - 100.5 g (3.53.0.18 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network N/A HSDPA 900 / 2100 HSDPA 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, 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)
Processor - 850 MHz Cortex A-9 Dual-core 1.3 GHz, MTK 6572
GPU - - Mali-400MP
RAM N/A 512 MB 512 MB
Internal Memory 10 MB 4 GB 4 GB (1.27 GB for apps, 1.24 GB user available)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT touchscreen TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Wide Viewing Angle
Colors 262K colors 262K colors 16M colors
Size 3.5 inches 3.0 inches 4.0 inches
Resolution 320 x 480 pixels (165 ppi) 240 x 320 pixels (133 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 52.04% 46.15% -
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 3.15 MP, 2048x1536 pixels 2 MP, 1600x1200 pixels 5 MP, 2592х1944 pixels
Flash No No LED flash
Features - Fixed Focus, CMOS Sensor Auto-focus, Geo-tagging, Face Detection, Panorama
Video Yes Yes, QVGA@15fps Yes, 720p
Front Camera No [Similar] No [Similar] Yes, 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G N/A HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0 Yes, v4.0 Yes, v2.0 A2DP, EDR
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, USB Host Yes, microUSB v2.0 Yes, microUSB v2.0
GPS No Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser Yes HTML HTML

memory User Memory

Phonebook Yes, 1000 Practically unlimited entries and fields, Photocall Practically unlimited entries and fields, Photocall
Call Records Yes Practically unlimited Practically unlimited
Internal 10 MB 4 GB, 512 MB RAM 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB
USB OTG Supported - -

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 not 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 1000 mAh 1200 mAh 1400 mAh
Stand by - Up to 300 h -
Talk Time Up to 15 h Up to 6 h -