Micromax A57 Ninja 3.0 vs Micromax X40
Micromax A57 Ninja 3.0
Micromax X40
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPA 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 announced2012-92014-12
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Status2012-9
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Design
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SIMDual SIM (Mini-SIM, dual stand-by)Dual SIM (Mini-SIM, dual stand-by)
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Height116 mm117 mm
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Width62 mm51 mm
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Thickness11.5 mm17 mm
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Weight93.8 g148 g
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ColorsBlackBrown
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Display
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Display typeTFT capacitive touchscreenTFT
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Physical size3.5 inches-
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Resolution320 x 480 pixels240 x 320 pixels
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Pixel density165 ppi-
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Display colors262144262144
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Hardware
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CPU1 GHz
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GPUAdreno 200-
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Memory ROM256 MB-
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Memory RAM512 MB-
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Internal storage-80 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, v2.3.5 (Gingerbread)-
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Main camera
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Main camera3.15 MP2 MP
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Primary camera resolution2048 x 1536 pixels1600 x 1200 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNoNo
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes, with stereo speakers
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NotificationsVibration, MP3, WAV ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio FMFM radioFM radio
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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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USBmicroUSB 2.0Yes
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Bluetoothv2.0Yes
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GPSYesNo
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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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1400 mAh1000 mAh
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Talk time4 h2 h 30 min
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Standby time145 h200 h
