Samsung T439 vs Samsung i640
Samsung T439
Samsung i640
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA, 3.6 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2007-122008-2
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Status
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Design
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SIMMini-SIMMini-SIM
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Height94 mm94.4 mm
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Width48.3 mm61 mm
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Thickness16.5 mm16.9 mm
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Weight91 g148 g
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Keyboard-QWERTY
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ColorsBlackSilver
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Display
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Display typeUFBTFT
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Physical size-2.4 inches
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Resolution128 x 160 pixels320 x 240 pixels
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Pixel density-167 ppi
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Display colors6656066560
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Hardware
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CPU32-bit 416 MHz
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Memory ROM-128 MB
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Memory RAM-64 MB
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Memory cardmicroSDmicroSD
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Main camera
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Main camera1.3 MP2 MP
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Primary camera resolution1280 x 960 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoVGA camera
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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 ringtonesVibration; Downloadable polyphonic, MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLAN
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USBYes1.1
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Bluetoothv1.2v2.0
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Bluetooth A2DPYes-
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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 MessagingInstant Messaging
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Messaging Email-Email
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WAP-WAP 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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HTML-Yes
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BrowserNo-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity800 mAh1000 mAh
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Talk time6 h6 h
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Standby time290 h250 h
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OS
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OS-Microsoft Windows Mobile 6.0 Standard
