Nokia N91 vs O2 X4
Nokia N91
O2 X4
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800
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3G networkUMTS 2100UMTS 2100
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Speed YesYes, 384 kbpsYes, 384 kbps
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GPRSYesYes
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EDGEYes
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Availability
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Status
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Oficially announced20052004
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Design
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SIMMini-SIMMini-SIM
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Height113.1 mm89.9 mm
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Width55.2 mm45.1 mm
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Thickness22 mm24 mm
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Weight164 g116 g
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ColorsBlack, Dark Gray Chrome, Light Blue Chrome-
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Display
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Display typeTFTTFT
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Physical size2.1 inches-
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Resolution176 x 208 pixels176 x 220 pixels
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Pixel density130 ppi-
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Display colors262144262144
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Hardware
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CPU220 MHz Dual ARM 9
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Memory RAM64 MB-
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Internal storage4, 8 GB-
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Memory cardminiSD
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Memory card included-32 MB
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OS
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OSSymbian OS v9.1-
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Main camera
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Main camera2 MP1.3 MP
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Primary camera resolution1600 x 1200 pixels1280 x 960 pixels
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Primary camera videovideovideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesNo
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NotificationsVibration; Downloadable polyphonic, MP3 ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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Radio-No
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Radio FMStereo FM radio-
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Radio visualVisual radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g
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USBminiUSB 2.0Yes
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Bluetoothv1.2
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Bluetooth A2DPYes-
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Infrared-Yes
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GPSNoNo
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMSMMS
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEMail-
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WAPWAP 2.0/xHTMLWAP 2.0/xHTML
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JavaYesYes
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Java MIDPMIDP 2.0MIDP 2.0
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Browser
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HTMLYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity900 mAh-
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Talk time-3 h
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Talk time 2G4 h-
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Talk time 3G3 h-
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Standby time-180 h
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Standby time 2G190 h-
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Standby time 3G170 h-
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