Alcatel Fire 7 vs Celkon A20
Alcatel Fire 7
Celkon A20
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Network
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2G networkGSM 900, 1800
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3G network-HSDPA 2100
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Speed NoNo-
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Speed Yes-Yes, 384 kbps
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2014-22013-8
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Status20142013-8
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Design
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SIMNoDual SIM (Mini-SIM)
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Height
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Width
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Thickness
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Weight285 g
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ColorsBlackBlack
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Display
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Display typeCapacitive touchscreenTFT capacitive touchscreen
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Physical size7.0 inches4.0 inches
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Resolution540 x 960 pixels480 x 800 pixels
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Pixel density157 ppi233 ppi
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Hardware
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CPUDual-core 1.2 GHzDual-core 1.2 GHz
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Memory ROM-256 MB
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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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OSFirefox OS 1.3Android OS, v4.2.0 (Jelly Bean)
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Main camera
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Main camera3.15 MP
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Primary camera resolution640 x 480 pixels2048 x 1536 pixels
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Primary camera videovideovideo
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Selfie camera
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Secondary cameraVGA cameraVGA camera
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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Radio-
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Connectivity
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WLANWi-FiWi-Fi 802.11b, 802.11g, 802.11n
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USBmicroUSB 2.0microUSB 2.0
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Bluetooth-Yes
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GPS-No
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging EmailEmailEmail
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Messaging IMIMIM
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Messaging Push Email-Push Email
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLYesYes
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Battery
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Battery type-Li-Ion
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Battery capacity-1500 mAh
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Talk time--
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Standby time--
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