Phone Comparison - Panasonic P51 vs Lenovo P780 vs Panasonic T31

general General Info

Manufacturer Panasonic Lenovo Panasonic
Announced May 2013 June 2013 October 2013
Status Available - May 2013 Available - June 2013 Available - November 2013
Colors Black, White Black Bluish Black, Pure White
Form Factor Candybar Candybar Candybar
Dimension 144 x 75 x 8.5 mm
(5.67 x 2.95 x 0.33 in)
143 x 73 x 10 mm
(5.63 x 2.87 x 0.39 in)
122 x 64.4 x 11.95 mm
(4.8 x 2.54 x 0.47 in)
Weight 135 g (4.76 oz) 176 g (6.21 oz) 120 g (4.23 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) with FOTA upgrade
Processor Quad-core 1.2 GHz Cortex-A7, MTK MT6589 Quad-core 1.2 GHz Cortex-A7, MTK 6589 Dual-core 1.3 GHz, MTK 6572
GPU PowerVR SGX544 PowerVR SGX544 Mali-400
RAM 1 GB 1 GB 512 MB
Internal Memory 4 GB storage 4 GB 4 GB (1.9 GB user memory)
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 4.0 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 63.69% 65.90% 58.08%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels 3.2 MP, 2048x1536 pixels
Flash LED flash LED flash No
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Fixed Focus, Geo-tagging
Video Yes, 1080p Yes Yes, VGA@30fps
Front Camera Yes, 1.3 MP, 720p [Similar] Yes, 1.2 MP [Similar] Yes, VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 11 Mbps HSDPA, HSUPA HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v4.0 with A2DP, EDR Yes, v3.0 Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support
Browser HTML5 HTML HTML5

memory User Memory

Internal 4 GB storage, 1 GB RAM 4 GB, 1 GB RAM 4 GB (1.9 GB user memory), 512 MB 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 not supported

battery Battery

Type Li-Ion Battery Li-Po Battery Li-Ion Battery
Capacity 2500 mAh 4000 mAh 1300 mAh
Stand by - Up to 840 h Up to 510 h (2G)
Up to 400 h (3G)
Talk Time - Up to 43 h (2G)
Up to 25 h (3G)
Up to 3 h 30 min (2G)
Up to 9 h 30 min (3G)