Celkon Q450 vs Gigabyte GSmart Alto A2
Celkon Q450
Gigabyte GSmart Alto A2
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G networkHSDPAHSDPA 900, 2100
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HSDPA speed-HSDPA, 21 Mbps
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HSUPA speed-HSUPA
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HSPA speedHSPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-42013-10
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Status2015-42013-11
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Design
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SIMDual SIMDual SIM
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Height135 mm
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Width67.7 mm
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Thickness9.7 mm
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Weight147 g
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ColorsGold, WhiteBlack, White
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size4.5 inches5.0 inches
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Resolution480 x 800 pixels480 x 854 pixels
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Pixel density207 ppi196 ppi
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Display colors-16777216
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Hardware
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CPUQuad-core 1.2 GHzDual-core 1.3 GHz
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ChipsetSpreadtrum 7731Mediatek MT6572
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GPUMali-400Mali-400
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Memory RAM512 MB1 GB
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Internal storage4 GB4 GB
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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, v4.4.2 (KitKat)Android OS, v4.2 (Jelly Bean)
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Main camera
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Main camera5 MP5 MP
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Primary camera resolution2592 x 1944 pixels2592 x 1944 pixels
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Primary camera videovideovideo
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Primary camera flashLED flashLED flash
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Camera featuresYes-
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Selfie camera
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Secondary camera-VGA camera
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Selfie camera2 MP
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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, WAV 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, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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USBYesmicroUSB 2.0
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BluetoothYesv3.0
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GPSYesYes, with A-GPS
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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 IM-IM
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, proximity-
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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 capacity1800 mAh2000 mAh
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Talk time-3 h 30 min
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Standby time-150 h
