Motorola ROKR Z6 vs i-mobile 638CG
Motorola ROKR Z6
i-mobile 638CG
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2007-12009
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Status
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height105 mm113 mm
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Width45 mm51 mm
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Thickness16.2 mm14.5 mm
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Weight105 g
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ColorsBlackBlack
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Display
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Display typeTFTTFT
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Physical size2.1 inches2.4 inches
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Resolution240 x 320 pixels240 x 320 pixels
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Pixel density190 ppi167 ppi
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Display colors262144262144
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Hardware
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CPU32-bit
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Internal storage64 MB25 MB
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Memory cardmicroSDmicroSD
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Memory card max1 GB8 GB
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OS
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OSLinux-
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Main camera
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Main camera2 MP3.15 MP
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Primary camera resolution1600 x 1200 pixels2048 x 1536 pixels
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Primary camera videoQCIFvideo
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Downloadable polyphonic, MP3, AAC ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLAN
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USBminiUSB 2.0Yes
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Bluetoothv2.0Yes
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Bluetooth A2DPYes-
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging EMSEMSEMS
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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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JavaYesNo
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Java MIDPMIDP 2.0-
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Browser
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HTMLHTML (Opera 8.5)-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity720 mAh1050 mAh
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Talk time7 h8 h 30 min
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Standby time400 h400 h
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