Lenovo IdeaPad A1 vs Samsung DoubleTime I857
Lenovo IdeaPad A1
Samsung DoubleTime I857
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Network
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2G networkGSM 850, 900, 1800, 1900
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3G network-HSDPA 850, 1900, 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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HSUPA speed-HSUPA, 2 Mbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2011-112011-10
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Status2011-102011-11
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Design
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SIMNoMini-SIM
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Height195 mm113 mm
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Width125 mm62 mm
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Thickness12 mm15 mm
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Weight400 g148 g
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Keyboard-QWERTY
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ColorsBlack, Blue, Pink, WhiteBlack/white
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size7.0 inches3.2 inches
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Resolution600 x 1024 pixels320 x 480 pixels
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Pixel density170 ppi180 ppi
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Display colors16777216262144
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Hardware
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CPU1 GHz ARM Cortex-A8800 MHz Scorpion
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Chipset-Qualcomm MSM7230
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GPU-Adreno 205
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Memory RAM512 MB256 MB
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Internal storage16 GB260 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, v2.3 (Gingerbread)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 videovideo320p
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsN/AVibration; MP3, WAV ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBminiUSB 2.0microUSB 2.0
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Bluetoothv2.1v3.0
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Bluetooth A2DPYesYes
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Bluetooth EDRYes-
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GPSYesYes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push EmailPush Email-
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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 FlashYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-1200 mAh
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Battery removableNon-removable-
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Talk time6 h6 h
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Standby time-250 h
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