Acer Allegro vs Celkon A20
Acer Allegro
Celkon A20
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 900, 2100HSDPA 2100
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HSDPA speedHSDPA-
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HSUPA speedHSUPA-
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Speed Yes-Yes, 384 kbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2011-102013-8
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Status2011-112013-8
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height116 mm
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Width59 mm
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Thickness13 mm
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Weight126 g
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ColorsBlack, WhiteBlack
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Display
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Display typeTFT capacitive touchscreenTFT capacitive touchscreen
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Physical size3.6 inches4.0 inches
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Resolution480 x 800 pixels480 x 800 pixels
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Pixel density259 ppi233 ppi
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Display colors16777216-
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Hardware
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CPU1 GHz Scorpion1.2 GHz Dual-core
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ChipsetQualcomm MSM8255 Snapdragon-
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GPUAdreno 205-
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Memory ROM-256 MB
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Internal storage8 GB-
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Memory RAM-512 MB
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSMicrosoft Windows Phone 7.5 MangoAndroid OS, v4.2.0 (Jelly Bean)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1944 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Primary camera Autofocusautofocus-
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Selfie camera
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Secondary cameraNoVGA camera
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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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RadioNo-
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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 DLNAYes-
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USBmicroUSB 2.0microUSB 2.0
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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 IM-IM
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Messaging Push EmailPush EmailPush Email
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JavaYesYes, via Java MIDP emulator
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1300 mAh1500 mAh
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Talk time6 h-
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Standby time--
