Nokia Lumia 820 vs Vodafone Chat 655
Nokia Lumia 820
Vodafone Chat 655
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 2100
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4G networkLTE 800, 900, 1800, 2100, 2600-
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HSDPA speedHSDPA, 42 MbpsHSDPA
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HSUPA speedHSUPA, 5.76 Mbps-
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LTE speedLTE, Cat3, 100 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2012-92014-12
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Status2012-112014-12
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Design
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SIMMicro-SIMMini-SIM
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Height123.8 mm112 mm
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Width68.5 mm61.1 mm
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Thickness9.9 mm11 mm
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Weight160 g104 g
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Keyboard-QWERTY
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ColorsBlack, Blue, Gray, Red, Violet, White, YellowGray
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Display
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Display typeAMOLED capacitive touchscreenTFT
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Physical size4.3 inches2.4 inches
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Resolution480 x 800 pixels320 x 240 pixels
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Pixel density217 ppi167 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1.5 GHz Krait
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ChipsetQualcomm MSM8960 Snapdragon-
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GPUAdreno 225-
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Internal storage8 GB64 MB
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Memory RAM1 GB-
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Memory cardmicroSDmicroSD
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Memory card max64 GB16 GB
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OS
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OSMicrosoft Windows Phone 8-
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Main camera
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Camera typePhoto / Video-
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Main camera8 MP2 MP
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Primary camera resolution3264 x 2448 pixels1600 x 1200 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera opticsCarl Zeiss optics-
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi DirectYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.02.0
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Bluetoothv3.1Yes
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSYes
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GLONASSYes-
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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JavaNoYes
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1650 mAh-
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Talk time-5 h
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Talk time 2G14 h-
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Talk time 3G8 h-
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Standby time-509 h
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Standby time 2G330 h-
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Standby time 3G330 h-