Phone Comparison - Nokia Lumia 820 vs Samsung Galaxy Grand Duos I9082 vs Gionee M2

general General Info

Manufacturer Nokia Samsung Gionee
Announced Expected September 2012 December 2012 January 2014
Status Available - November 2012 Available - January 2013 Available - January 2014
Colors Black, Gray, Red, Yellow, White, Blue, Violet Black, White Black, White
Form Factor Candybar Candybar Candybar
Dimension 123.8 x 68.5 x 9.9 mm
(4.87 x 2.7 x 0.39 in)
143.5 x 76.9 x 9.6 mm
(5.65 x 3.03 x 0.38 in)
144 x 72 x 10.5 mm
(5.67 x 2.83 x 0.41 in)
Weight 160 g (5.64 oz) 162 g (5.71 oz) -
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100 - SIM 1 only
HSDPA 900 / 1900 / 2100 - SIM 1 only
HSDPA 2100
4G Network LTE 800 / 1800 / 2600 / 2100/ 900 - -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 8 Android OS, v4.1.2 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean)
Processor Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Dual-core 1.2 GHz Cortex-A9, Broadcom Quad-core 1.3 GHz, Mediatek MT6582M
GPU Adreno 225 Broadcom VideoCore IV Mali-400MP2
RAM 1 GB 1 GB 1 GB
Internal Memory 8 GB storage 8 GB 4 GB ROM
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type AMOLED capacitive touchscreen Capacitive touchscreen TFT Capacitive Touchscreen
Colors 16M colors 16M colors 16.7M colors
Size 4.3 inches 5.0 inches 5 inches
Resolution 480 x 800 pixels (217 ppi) 480 x 800 pixels (187 ppi) 480 x 854 pixels (196 ppi)
Screen-to-Body Ratio 62.04% 64.20% 66.40%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No Stereo FM radio with RDS FM Radio with Recording
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, 3264x2448 pixels 8 MP, 3264x2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama, Face beauty, Eraser, 99 snaps in one click, Gesture Shot, Smile Shot
Video Yes Yes, 1080p@30fps Yes, 1080p@30fps
Front Camera Yes [Similar] Yes, 2 MP [Similar] Yes, 2 MP, 720p [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, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.1 with A2DP, EDR Yes, v4.0 with A2DP, LE, EDR Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS, support and GLONASS Yes, with A-GPS support
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB storage, 1 GB RAM 8 GB, 1 GB RAM 4 GB ROM, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB
USB OTG - - 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 Standard battery, Li-Ion Li-Ion Battery
Capacity 1650 mAh 2100 mAh 4200 mAh
Stand by Up to 330 h (2G)
Up to 330 h (3G)
Up to 440 h Up to 555 h
Talk Time Up to 14 h (2G)
Up to 8 h (3G)
Up to 10 h 10 min Up to 31 h 30 min (2G)
Up to 24 h (3G)