Samsung A657 vs Samsung T739 Katalyst
Samsung A657
Samsung T739 Katalyst
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 1900-
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HSDPA speedHSDPA, 3.6 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2009-42007-12
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Status2009
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Design
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SIMMini-SIMMini-SIM
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Height115 mm100.8 mm
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Width52 mm50.3 mm
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Thickness19.5 mm16.5 mm
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Weight123 g116 g
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ColorsBlackSilver
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Display
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Display typeTFTTFT
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Physical size1.9 inches2.1 inches
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Resolution176 x 220 pixels176 x 220 pixels
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Pixel density148 ppi134 ppi
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Display colors262144262144
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Hardware
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Internal storage128 MB5 MB
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Memory cardmicroSDmicroSD
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Memory card max8 GB4 GB
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Sound
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3.5mm jackNoNo
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LoudspeakerYesYes
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NotificationsVibration; Polyphonic(72), 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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WLANWi-Fi 802.11b, 802.11g
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WLAN uma-Yes
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USB2.0Yes
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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
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Messaging MMSMMSMMS
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Messaging Instant Messaging-Instant 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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1420 mAh960 mAh
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Talk time3 h5 h
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Standby time250 h240 h
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Main camera
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Main camera1.3 MP
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Primary camera resolution-1280 x 960 pixels
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Primary camera video-video
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Selfie camera
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Secondary camera-No
