Samsung I929 Galaxy S II Duos vs Vodafone Chat 655
Samsung I929 Galaxy S II Duos
Vodafone Chat 655
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Network
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2G networkGSM 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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EV-DO speed3.1 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-122014-12
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Status2012-92014-12
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Mini-SIM
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Height129.8 mm112 mm
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Width68.9 mm61.1 mm
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Thickness9.7 mm11 mm
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Weight138 g104 g
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Keyboard-QWERTY
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ColorsBlackGray
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Display
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Display typeSuper AMOLED Plus capacitive touchscreenTFT
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Physical size4.52 inches2.4 inches
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Resolution480 x 800 pixels320 x 240 pixels
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Pixel density206 ppi167 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1.2 GHz
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ChipsetQualcomm MSM8660 Snapdragon-
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GPUAdreno 220-
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Memory RAM1 GB-
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Internal storage16 GB64 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB16 GB
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OS
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OSAndroid OS, v2.3.5 (Gingerbread)-
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Main camera
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Main camera8 MP2 MP
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Primary camera resolution3264 x 2448 pixels1600 x 1200 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary camera-No
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Selfie camera2 MP
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Sound
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3.5mm jackYesYes
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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 FMStereo FM radio with RDSFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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WLAN WiFi Dual BandYes-
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USBmicroUSB 2.02.0
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USB On-The-GoYes-
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Bluetoothv3.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes
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Features
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Messaging SMSSMS(threaded view)SMS(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTMLYesYes
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1800 mAh-
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Talk time-5 h
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Standby time-509 h
