Samsung DoubleTime I857 vs Samsung E2530
Samsung DoubleTime I857
Samsung E2530
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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 announced2011-102010-11
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Status2011-112011-6
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Design
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SIMMini-SIMMini-SIM
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Height113 mm94.4 mm
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Width62 mm47.2 mm
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Thickness15 mm17.4 mm
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Weight148 g86 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
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Physical size3.2 inches2.0 inches
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Resolution320 x 480 pixels128 x 160 pixels
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Pixel density180 ppi102 ppi
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Display colors26214466560
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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 MB-
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Internal storage260 MB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB8 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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Radio recording-FM recording
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Connectivity
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WLAN
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USBmicroUSB 2.02.0
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Bluetoothv3.0v2.1
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Bluetooth A2DPYesYes
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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 IMIM-
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WAP-WAP 2.0/xHTML
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JavaYes, via Java MIDP emulatorYes
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Java MIDP-MIDP 2.0
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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 mAh800 mAh
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Talk time6 h11 h 20 min
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Standby time250 h530 h
