Phone Comparison - Samsung Galaxy Grand I9080 vs Panasonic T31 vs Samsung Galaxy S Duos 2 S7582

general General Info

Manufacturer Samsung Panasonic Samsung
Announced December 2012 October 2013 November 2013
Status Available - April 2013 Available - November 2013 Available - November 2013
Colors Black, White Bluish Black, Pure White White, Black
Form Factor Candybar Candybar Candybar
Dimension 143.5 x 76.9 x 9.6 mm
(5.65 x 3.03 x 0.38 in)
122 x 64.4 x 11.95 mm
(4.8 x 2.54 x 0.47 in)
121.5 x 63.1 x 10.57 mm
(4.78 x 2.48 x 0.42 in)
Weight 162 g (5.71 oz) 120 g (4.23 oz) 118 g (4.16 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100
HSDPA 900 / 1900 / 2100
HSDPA 850 / 1900 / 2100 HSDPA 900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.1.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) with FOTA upgrade Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1.2 GHz, Broadcom Dual-core 1.3 GHz, MTK 6572 Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664
GPU Broadcom VideoCore IV Mali-400 Broadcom VideoCore IV
RAM 1 GB 512 MB 768 MB
Internal Memory 8 GB 4 GB (1.9 GB user memory) 4 GB (1.9 GB user available)
External Memory microSD, up to 64 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type Capacitive touchscreen TFT capacitive touchscreen TFT Capacitive Touchscreen, PLS
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.0 inches 4.0 inches
Resolution 480 x 800 pixels (187 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 64.20% 58.08% 59.52%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 3.2 MP, 2048x1536 pixels 5 MP, 2592х1944 pixels
Flash LED flash No LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Fixed Focus, Geo-tagging Auto focus, Geo-tagging
Video Yes, 1080p@30fps Yes, VGA@30fps Yes, 720p@30fps
Front Camera Yes, 2 MP [Similar] Yes, VGA [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS, support and GLONASS Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 4 GB (1.9 GB user memory), 512 MB RAM 4 GB (1.9 GB user available), 768 MB RAM
Expandable Storage microSD, up to 64 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 Standard battery, Li-Ion Li-Ion Battery Standard battery, Li-Ion
Capacity 2100 mAh 1300 mAh 1500 mAh
Stand by Up to 440 h Up to 510 h (2G)
Up to 400 h (3G)
Up to 280 h (3G)
Talk Time Up to 10 h 10 min Up to 3 h 30 min (2G)
Up to 9 h 30 min (3G)
Up to 8 h (3G)