Phone Comparison - Panasonic T31 vs Panasonic T40 vs Sony Xperia E3 Dual

general General Info

Manufacturer Panasonic Panasonic Sony
Announced October 2013 October 2014 September 2014
Status Available - November 2013 Available - October 2014 Available - September 2014
Price - Rs. 4,799 ($70.57) [Similarly Priced] Rs. 9,614 ($141.38) [Similarly Priced]
Colors Bluish Black, Pure White White, Dark Grey, Bright Red Black, White, Yellow, Copper
Form Factor Candybar Candybar Candybar
Dimension 122 x 64.4 x 11.95 mm
(4.8 x 2.54 x 0.47 in)
126 x 62.5 x 9.0 mm
(4.96 x 2.46 x 0.35 in)
137.1 x 69.4 x 8.5 mm
(5.4 x 2.73 x 0.33 in)
Weight 120 g (4.23 oz) 117 g (4.13 oz) 143.8 g (5.04.0.28 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 - SIM 1 & SIM 2
3G Network HSDPA 850 / 1900 / 2100 HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) with FOTA upgrade Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat)
Processor Dual-core 1.3 GHz, MTK 6572 Quad-core 1.3 GHz, Mediatek MT6582M Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8226-2 Snapdragon 400
GPU Mali-400 Mali-400MP2 Adreno 305
RAM 512 MB 1 GB 1 GB
Internal Memory 4 GB (1.9 GB user memory) 8 GB ROM 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 IPS LCD Capacitive Touchscreen IPS Capacitive Touchscreen, Shatter Proof Glass
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.0 inches 4.5 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 58.08% 57.95% 58.49%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio with Recording FM Radio with Recording 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, 2592x1944 pixels 5 MP, 2592 х 1944 pixels
Flash No LED flash LED flash
Features Fixed Focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video Yes, VGA@30fps Yes, 1080p 1080p@30fps
Front Camera Yes, VGA [Similar] Yes, 2 MP, 720p [Similar] VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Up to 85.6 kbps
Edge Yes Yes Up to 237 kbps
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA 21.1/5.76 Mbps
Bluetooth Yes, v4.0 with A2DP Yes, v4.0 with A2DP v4.0, 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 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go microUSB v2.0, USB On-the-go, USB Host
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 4 GB (1.9 GB user memory), 512 MB RAM 8 GB ROM, 1 GB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 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 not supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1300 mAh 1500 mAh 2330 mAh
Stand by Up to 510 h (2G)
Up to 400 h (3G)
- Up to 508 h (2G)
Up to 505 h (3G)
Talk Time Up to 3 h 30 min (2G)
Up to 9 h 30 min (3G)
- Up to 12 h 20 min (2G)
Up to 8 h 41 min (3G)