Phone Comparison - Nokia Lumia 820 vs Panasonic P51 vs Lenovo P780

general General Info

Manufacturer Nokia Panasonic Lenovo
Announced Expected September 2012 May 2013 June 2013
Status Available - November 2012 Available - May 2013 Available - June 2013
Colors Black, Gray, Red, Yellow, White, Blue, Violet Black, White Black
Form Factor Candybar Candybar Candybar
Dimension 123.8 x 68.5 x 9.9 mm
(4.87 x 2.7 x 0.39 in)
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)
Weight 160 g (5.64 oz) 135 g (4.76 oz) 176 g (6.21 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 900 / 2100
4G Network LTE 800 / 1800 / 2600 / 2100/ 900 - -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8 Android OS, v4.2 (Jelly Bean) Android OS, v4.2 (Jelly Bean)
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Quad-core 1.2 GHz Cortex-A7, MTK MT6589 Quad-core 1.2 GHz Cortex-A7, MTK 6589
GPU Adreno 225 PowerVR SGX544 PowerVR SGX544
RAM 1 GB 1 GB 1 GB
Internal Memory 8 GB storage 4 GB storage 4 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 32 GB

display Display

Type AMOLED capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 5.0 inches 5.0 inches
Resolution 480 x 800 pixels (217 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 62.04% 63.69% 65.90%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes Yes, 1080p Yes
Front Camera Yes [Similar] Yes, 1.3 MP, 720p [Similar] Yes, 1.2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSDPA, 21 Mbps; HSUPA, 11 Mbps HSDPA, HSUPA
Bluetooth Yes, v3.1 with A2DP, EDR Yes, v4.0 with A2DP, EDR Yes, v3.0
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go 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 HTML5 HTML

memory User Memory

Internal 8 GB storage, 1 GB RAM 4 GB storage, 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 supported NFC not supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Po Battery
Capacity 1650 mAh 2500 mAh 4000 mAh
Stand by Up to 330 h (2G)
Up to 330 h (3G)
- Up to 840 h
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
- Up to 43 h (2G)
Up to 25 h (3G)