Micromax X660 vs Spice Mi-451 3G
Micromax X660
Spice Mi-451 3G
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G network-HSDPA 2100
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HSPA speed-HSPA
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GPRSYesYes
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EDGEYes
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Availability
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Status2012-52015-3
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Oficially announced20122015-3
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height119.4 mm134.5 mm
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Width61.3 mm69.5 mm
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Thickness12.4 mm8.7 mm
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Weight121 g156 g
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ColorsBlack, WhiteGray, White
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Display
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Display typeTFT touchscreenCapacitive touchscreen
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Physical size3.5 inches-
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Resolution320 x 480 pixels480 x 854 pixels
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Pixel density165 ppi-
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Hardware
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Internal storage60 MB-
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Memory cardmicroSDmicroSD
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Memory card max8 GB32 GB
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Main camera
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Main camera3.2 MP3.15 MP
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Primary camera resolution2048 x 1536 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraNo-
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Selfie camera1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic, MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Radio recordingFM recording-
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Connectivity
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WLANWi-Fi 802.11b, 802.11gWi-Fi
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USBYesYes
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BluetoothYesYes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(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 EmailPush Email
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WAPWAP 2.0/xHTML-
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JavaYesYes, via Java MIDP emulator
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Sensors-Accelerometer
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Browser
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HTMLYesYes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1200 mAh1450 mAh
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Talk time4 h5 h 30 min
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Standby time200 h60 h
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OS
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OS-Android OS, v4.4 (KitKat)