Huawei IDEOS S7 Slim vs Karbonn A25
Huawei IDEOS S7 Slim
Karbonn A25
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Network
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2G networkGSM 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-22014-12
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Status2011-42014-12
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Design
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SIMMini-SIMDual SIM
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Height200 mm146 mm
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Width109.5 mm78.6 mm
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Thickness12.5 mm10.5 mm
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Weight440 g150 g
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ColorsBlackWhite/Black
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Display
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Display typeTFT capacitive touchscreenCapacitive touchscreen
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Physical size7.0 inches5.0 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density133 ppi187 ppi
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Display colors262144-
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Hardware
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CPU1 GHz Scorpion1 GHz Dual-core
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ChipsetQualcomm QSD8X50 Snapdragon-
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Memory ROM512 MB-
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Memory RAM512 MB-
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Internal storage8 GB114 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, v4.0 (Ice Cream Sandwich)
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 pixels
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Primary camera videow480pvideo
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraVGA cameraYes
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsN/AVibration, MP3, WAV 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 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYes-
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USBmicroUSB 2.0Yes
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSYes, with A-GPSNo
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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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Messaging Push EmailPush Mail-
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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 capacity3250 mAh2000 mAh
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Talk time6 h6 h
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Standby time180 h300 h
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