Samsung C6712 Star II DUOS vs Samsung S7550 Blue Earth
Samsung C6712 Star II DUOS
Samsung S7550 Blue Earth
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 900, 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 announced2011-42009-9
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Status2011-52009-11
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Mini-SIM
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Height109.5 mm108 mm
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Width56 mm53.6 mm
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Thickness12.2 mm14.2 mm
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Weight100 g119 g
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ColorsBlackBlue
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.2 inches3.0 inches
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Resolution240 x 400 pixels240 x 400 pixels
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Pixel density146 ppi155 ppi
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Display colors26214416777216
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Hardware
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Internal storage30 MB130 MB
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Memory cardmicroSDmicroSD
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Memory card max16 GB16 GB
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Main camera
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Main camera3.15 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera video320p@15fps320p@15fps
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Selfie camera
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Secondary cameraNoYes
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3 ringtones
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Multimedia
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Radio FMFM radio with RDSStereo FM radio with RDS
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0v2.1
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Bluetooth A2DPYesYes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS
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Messaging MMSMMSMMS
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Messaging RSS reader-RSS reader
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Messaging EmailEmailEmail
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Messaging IMIM-
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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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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1200 mAh1080 mAh
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Talk time10 h4 h 10 min
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Standby time550 h300 h
