Phone Comparison - Samsung Galaxy Grand Duos I9082 vs Sony Xperia Z vs Panasonic P51

general General Info

Manufacturer Samsung Sony Panasonic
Announced December 2012 January 2013 May 2013
Status Available - January 2013 Released - February 2013 Available - May 2013
Colors Black, White Black, White, Purple Black, White
Form Factor Candybar Candybar Candybar
Dimension 143.5 x 76.9 x 9.6 mm
(5.65 x 3.03 x 0.38 in)
139 x 71 x 7.9 mm
(5.47 x 2.8 x 0.31 in)
144 x 75 x 8.5 mm
(5.67 x 2.95 x 0.33 in)
Weight 162 g (5.71 oz) 146 g (5.15 oz) 135 g (4.76 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - C6602, C6603 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 1900 / 2100 - SIM 1 only
HSDPA 850 / 900 / 2100 - C6603
HSDPA 850 / 900 / 1700 / 1900 / 2100 - C6602
HSDPA 900 / 2100
4G Network - LTE 800 / 850 / 900 / 1800 / 2100 / 2600 - C6603 -
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) Android OS, v4.1.2 (Jelly Bean), planned upgrade to v4.2.0 Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1.2 GHz Cortex-A9, Broadcom Quad-core 1.5 GHz Krait, Qualcomm MDM9215M / APQ8064 Quad-core 1.2 GHz Cortex-A7, MTK MT6589
GPU Broadcom VideoCore IV Adreno 320 PowerVR SGX544
RAM 1 GB 2 GB 1 GB
Internal Memory 8 GB 16 GB 4 GB storage
External Memory microSD, up to 64 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type Capacitive touchscreen Capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.0 inches
Resolution 480 x 800 pixels (187 ppi) 1080 x 1920 pixels (441 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 64.20% 69.70% 63.69%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS 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 13 MP, 4128x3096 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p@30fps Yes, 1080p@30fps, continuous autofocus, video light, video stabilizer Yes, 1080p
Front Camera Yes, 2 MP [Similar] Yes, 2.2 MP, 1080p@30fps [Similar] Yes, 1.3 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Up to 107 kbps Yes
Edge Yes Up to 296 kbps Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21 Mbps; HSUPA, 11 Mbps
Bluetooth Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP Yes, v4.0 with A2DP, EDR
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, 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, USB On-the-go
GPS Yes, with A-GPS, support and GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 16 GB, 2 GB RAM 4 GB storage, 1 GB RAM
Expandable Storage microSD, up to 64 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 present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Non-removable, Li-Ion Battery Li-Ion Battery
Capacity 2100 mAh 2330 mAh 2500 mAh
Stand by Up to 440 h Up to 550 h (2G)
Up to 530 h (3G)
-
Talk Time Up to 10 h 10 min Up to 11 h (2G)
Up to 14 h (3G)
-