Samsung DoubleTime I857 vs Unnecto Tap
Samsung DoubleTime I857
Unnecto Tap
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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, 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 2 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-102011-6
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Status2011-112011-8
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Design
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SIMMini-SIMDual SIM (dual stand-by)
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Height113 mm105.5 mm
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Width62 mm56 mm
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Thickness15 mm12.2 mm
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Weight148 g90 g
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KeyboardQWERTY-
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ColorsBlack/whiteWhite/Blue
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Display
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Display typeTFT capacitive touchscreenTFT resistive touchscreen
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Physical size3.2 inches2.8 inches
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Resolution320 x 480 pixels240 x 320 pixels
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Pixel density180 ppi143 ppi
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Display colors262144-
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Hardware
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CPU800 MHz Scorpion
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ChipsetQualcomm MSM7230-
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GPUAdreno 205-
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Memory RAM256 MB64 MB
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Internal storage260 MB256 MB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included-4 GB
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OS
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OSAndroid OS, v2.2 (Froyo)-
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Main camera
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Main camera3.15 MP1.3 MP
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Primary camera resolution2048 x 1536 pixels1280 x 1024 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 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi
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USBmicroUSB 2.0Yes
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Bluetoothv3.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging IMIMIM
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTMLYes-
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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 mAh950 mAh
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Talk time6 h4 h
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Standby time250 h200 h
