Nokia N81 vs Nokia N900
Nokia N81
Nokia N900
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkUMTS 2100HSDPA 900, 1700, 2100
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HSDPA speed-HSDPA, 10 Mbps
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HSUPA speed-HSUPA, 2 Mbps
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2007-112009-8
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Status2009-11
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Design
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SIMMini-SIMMini-SIM
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Height102 mm110.9 mm
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Width50 mm59.8 mm
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Thickness17.9 mm18 mm
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Weight140 g181 g
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Keyboard-QWERTY
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ColorsCobalt blue, Graphite greyBlack
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Display
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Display typeTFTTFT resistive touchscreen
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Physical size2.4 inches3.5 inches
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Resolution240 x 320 pixels800 x 480 pixels
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Pixel density167 ppi267 ppi
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Display colors1677721666560
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Hardware
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CPU369 MHz ARM 11600 MHz ARM Cortex-A8
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Chipset-TI OMAP 3430
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GPU-PowerVR SGX530
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Memory RAM96 MB256 MB
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Internal storage12 MB32 GB
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Memory cardmicroSDmicroSD
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Memory card max8 GB16 GB
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Memory card included2 GB-
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OS
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OSSymbian OS 9.2Maemo 5
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Main camera
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Camera type-Photo
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Main camera2 MP5 MP
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Primary camera resolution1600 x 1200 pixels2576 x 1936 pixels
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Primary camera video320p@15fps480p@25fps
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Primary camera optics-Carl Zeiss optics
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Selfie camera
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Secondary camera-VGA camera
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Secondary camera videocallingvideocalling-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration; Downloadable polyphonic, monophonic, MP3 ringtonesVibration; MP3 ringtones
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Multimedia
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Radio FMStereo FM radioStereo FM radio (via third party software)
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Radio transmitter-FM transmitter
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Radio visualVisual radio-
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi 802.11b, 802.11g
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WLAN DLNA-Yes
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WLAN UpnpYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv2.0v2.1
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Bluetooth A2DPYesYes
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Infrared-Yes
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GPSNoYes, with A-GPS
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GPS Maps-Ovi Maps
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMS-
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Messaging Instant MessagingInstant Messaging-
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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WAPWAP 2.0/xHTML-
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XHTML-xHTML
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JavaYesNo
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Java MIDPMIDP 2.0-
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Browser
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HTMLYesYes
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Adobe Flash-Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1050 mAh1320 mAh
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Talk time 2G4 h6 h 30 min
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Talk time 3G3 h4 h 30 min
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Standby time410 h-
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Standby time 2G-278 h
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Standby time 3G-250 h