Vertu Signature S vs i-mobile 638CG
Vertu Signature S
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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3G networkUMTS 850, 2100-
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2008-102009
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Status
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height130 mm113 mm
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Width42 mm51 mm
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Thickness13 mm14.5 mm
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Weight238 g
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ColorsStainless Steel, White Gold, Yellow GoldBlack
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Display
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Display typeTFTTFT
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Physical size2.0 inches2.4 inches
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Resolution240 x 320 pixels240 x 320 pixels
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Pixel density200 ppi167 ppi
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Display colors16777216262144
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Hardware
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Internal storage4 GB25 MB
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Memory cardmicroSD
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Memory card max-8 GB
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Polyphonic, MP3 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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WLANWi-Fi 802.11b, 802.11g
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USBYesYes
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BluetoothYesYes
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GPSNoNo
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging EMS-EMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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WAPYesWAP 2.0/xHTML
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XHTMLxHTML-
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JavaNoNo
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Languages-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1050 mAh
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Talk time-8 h 30 min
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Talk time 2G5 h-
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Talk time 3G3 h-
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Standby time300 h400 h
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Main camera
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Main camera3.15 MP
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Primary camera resolution-2048 x 1536 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-No
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