Allview A4 Duo vs Celkon Q500 Millennium Ultra
Allview A4 Duo
Celkon Q500 Millennium Ultra
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 900, 2100HSDPA 2100
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HSDPA speedHSDPAHSDPA
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HSUPA speedHSUPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2013-112014-12
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Status2013-112014-12
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Design
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SIMDual SIM (dual stand-by)Dual SIM
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Height116.1 mm145.6 mm
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Width63.2 mm71.8 mm
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Thickness12 mm8 mm
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Weight110.6 g149 g
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ColorsBlackWhite
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size3.5 inches5.0 inches
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Resolution320 x 480 pixels720 x 1280 pixels
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Pixel density165 ppi294 ppi
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A7Quad-core 1.2 GHz
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Chipset-Broadcom BCM23550
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GPUMali-400-
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Memory RAM512 MB2 GB
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Internal storage-16 GB
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSAndroid OS, v4.2 (Jelly Bean)Android OS, v4.4.2 (KitKat)
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Main camera
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels3264 x 2448 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flash-LED flash
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Selfie camera
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Secondary cameraNo-
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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, 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, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYes-
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Bluetooth EDRYes-
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GPSNoYes
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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 IMIM-
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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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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1200 mAh2500 mAh
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Talk time8 h 20 min-
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Talk time 3G-5 h
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Standby time200 h-
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Standby time 3G-200 h
