Phone Comparison - Panasonic T31 vs Samsung Galaxy S Duos 2 S7582 vs Sony Xperia E1

general General Info

Manufacturer Panasonic Samsung Sony
Announced October 2013 November 2013 January 2014
Status Available - November 2013 Available - November 2013 Available - March 2014
Colors Bluish Black, Pure White White, Black Black, Purple, White
Form Factor Candybar Candybar Candybar
Dimension 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)
118 x 62.4 x 12 mm
(4.65 x 2.46 x 0.47 in)
Weight 120 g (4.23 oz) 118 g (4.16 oz) 120 g (4.23 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - all versions
3G Network HSDPA 850 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100 - D2004
HSDPA 900 / 2100 - D2005
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) with FOTA upgrade Android OS, v4.2 (Jelly Bean) Android OS, v4.3 (Jelly Bean)
Processor Dual-core 1.3 GHz, MTK 6572 Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 Dual-core 1.2 GHz, Qualcomm MSM8210
GPU Mali-400 Broadcom VideoCore IV Adreno 302
RAM 512 MB 768 MB 512 MB
Internal Memory 4 GB (1.9 GB user memory) 4 GB (1.9 GB user available) 4 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen TFT Capacitive Touchscreen, PLS TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.0 inches 4.0 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 58.08% 59.52% 61.98%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 3.2 MP, 2048x1536 pixels 5 MP, 2592х1944 pixels 3 MP, 2048x1536 pixels
Flash No LED flash No
Features Fixed Focus, Geo-tagging Auto focus, Geo-tagging Geo-tagging, Face Detection, HDR, Image Stabilization, Panorama, Red-eye reduction, Touch capture
Video Yes, VGA@30fps Yes, 720p@30fps Yes, SVGA@30FPS
Front Camera Yes, VGA [Similar] Yes, VGA [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Up to 86 kbps
Edge Yes Yes Up to 237 kbps
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 Yes, v4.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi 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 Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 4 GB (1.9 GB user memory), 512 MB RAM 4 GB (1.9 GB user available), 768 MB RAM 4 GB, 512 MB RAM
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 Standard battery, Li-Ion Li-Ion Battery
Capacity 1300 mAh 1500 mAh 1750 mAh
Stand by Up to 510 h (2G)
Up to 400 h (3G)
Up to 280 h (3G) Up to 551 h
Talk Time Up to 3 h 30 min (2G)
Up to 9 h 30 min (3G)
Up to 8 h (3G) Up to 9 h 12 min