Samsung DoubleTime I857 vs Samsung Galaxy Ace Duos I589
Samsung DoubleTime I857
Samsung Galaxy Ace Duos I589
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Network
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2G networkGSM 850, 900, 1800, 1900CDMA 800, 1900
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3G networkHSDPA 850, 1900, 2100CDMA2000 1xEV-DO
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 2 Mbps-
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EV-DO speed-3.1 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2011-112012-2
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Oficially announced2011-102012-2
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Design
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SIMMini-SIMMini-SIM
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Height113 mm112.4 mm
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Width62 mm59.9 mm
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Thickness15 mm12.5 mm
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Weight148 g125 g
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KeyboardQWERTY-
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ColorsBlack/whiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.2 inches3.5 inches
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Resolution320 x 480 pixels320 x 480 pixels
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Pixel density180 ppi165 ppi
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Display colors26214416777216
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Hardware
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CPU800 MHz Scorpion800 MHz
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ChipsetQualcomm MSM7230Qualcomm MSM7627
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GPUAdreno 205-
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Memory RAM256 MB-
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Internal storage260 MB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v2.2 (Froyo)Android OS, v2.2 (Froyo)
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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 video320pvideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraNoNo
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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, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio with RDS
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv3.0v3.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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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 IMIM-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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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 capacity1200 mAh1650 mAh
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Talk time6 h7 h
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Standby time250 h300 h
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