Phone Comparison - Samsung Galaxy S III I535 vs Samsung Galaxy Grand Duos I9082 vs Panasonic P51

general General Info

Manufacturer Samsung Samsung Panasonic
Announced June 2012 December 2012 May 2013
Status Available - July 2012 Available - January 2013 Available - May 2013
Colors Pebble blue, Marble white Black, White Black, White
Form Factor Candybar Candybar Candybar
Dimension 137.2 x 71.1 x 7.6 mm
(5.4 x 2.8 x 0.3 in)
143.5 x 76.9 x 9.6 mm
(5.65 x 3.03 x 0.38 in)
144 x 75 x 8.5 mm
(5.67 x 2.95 x 0.33 in)
Weight 133.2 g (4.69.0.07 oz) 162 g (5.71 oz) 135 g (4.76 oz)
2G Network CDMA 800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network CDMA2000 1xEV-DO
HSDPA 2100
HSDPA 850 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 2100
4G Network LTE 700 MHz Class 13 - -
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.0.4 (Ice Cream Sandwich) Android OS, v4.1.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1.5 GHz, Qualcomm MSM8960 Snapdragon Dual-core 1.2 GHz Cortex-A9, Broadcom Quad-core 1.2 GHz Cortex-A7, MTK MT6589
GPU Adreno 225 Broadcom VideoCore IV PowerVR SGX544
RAM 2 GB 1 GB 1 GB
Internal Memory 16/32 GB storage 8 GB 4 GB storage
External Memory microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type Super AMOLED capacitive touchscreen Capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.8 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (306 ppi) 480 x 800 pixels (187 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 65.09% 64.20% 63.69%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 8 MP, 3264x2448 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p@30fps Yes, 1080p@30fps Yes, 1080p
Front Camera Yes, 1.9 MP, 720p@30fps [Similar] Yes, 2 MP [Similar] Yes, 1.3 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS No Yes Yes
Edge No Yes Yes
3G HSPA+, Rev. A, up to 3.1 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 11 Mbps
Bluetooth Yes, v4.0 with A2DP, EDR Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 (MHL), USB On-the-go Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS, support and GLONASS Yes, with A-GPS support
Browser HTML5, Adobe Flash HTML5 HTML5

memory User Memory

Internal 16/32 GB storage, 2 GB RAM 8 GB, 1 GB RAM 4 GB storage, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 64 GB microSD, up to 32 GB
USB OTG Supported - 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 present accelerometer sensor present accelerometer sensor present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Li-Ion Battery
Capacity 2100 mAh 2100 mAh 2500 mAh
Stand by Up to 200 h Up to 440 h -
Talk Time Up to 15 h Up to 10 h 10 min -