Phone Comparison - Panasonic P51 vs Lenovo S820 vs Lenovo P780

general General Info

Manufacturer Panasonic Lenovo Lenovo
Announced May 2013 May 2013 June 2013
Status Available - May 2013 Available - May 2013 Available - June 2013
Colors Black, White Flamingo red Black
Form Factor Candybar Candybar Candybar
Dimension 144 x 75 x 8.5 mm
(5.67 x 2.95 x 0.33 in)
139.5 x 69.7 x 9 mm
(5.49 x 2.74 x 0.35 in)
143 x 73 x 10 mm
(5.63 x 2.87 x 0.39 in)
Weight 135 g (4.76 oz) 143 g (5.04 oz) 176 g (6.21 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 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 (Jelly Bean)
Processor Quad-core 1.2 GHz Cortex-A7, MTK MT6589 Quad-core 1.2 GHz, MTK 6589W Quad-core 1.2 GHz Cortex-A7, MTK 6589
GPU PowerVR SGX544 PowerVR SGX544 PowerVR SGX544
RAM 1 GB 1 GB 1 GB
Internal Memory 4 GB storage 4 GB 4 GB
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 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 4.7 inches 5.0 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 63.69% 62.82% 65.90%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio; built-in antenna FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 12 MP, 4000 x 3000 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes, 1080p Yes Yes
Front Camera Yes, 1.3 MP, 720p [Similar] Yes, 2 MP [Similar] Yes, 1.2 MP [Similar]

connectivity Connectivity and Data Rate

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

memory User Memory

Internal 4 GB storage, 1 GB RAM 4 GB, 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 not supported

battery Battery

Type Li-Ion Battery Li-Po Battery Li-Po Battery
Capacity 2500 mAh 2000 mAh 4000 mAh
Stand by - Up to 140 h (2G)
Up to 140 h (3G)
Up to 840 h
Talk Time - Up to 22 h (2G)
Up to 10 h (3G)
Up to 43 h (2G)
Up to 25 h (3G)