Celkon A20 vs Micromax Ninja A91
Celkon A20
Micromax Ninja A91
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Network
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2G networkGSM 900, 1800GSM 900, 1800
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3G networkHSDPA 2100HSDPA 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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Speed YesYes, 384 kbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Status2013-82013-3
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Oficially announced2013-82013-3
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height130 mm
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Width66 mm
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Thickness10 mm
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Weight149.1 g
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ColorsBlackBlack
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Display
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Display typeTFT capacitive touchscreenTFT touchscreen
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Physical size4.0 inches4.5 inches
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Resolution480 x 800 pixels480 x 854 pixels
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Pixel density233 ppi218 ppi
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Hardware
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CPUDual-core 1.2 GHzDual-core 1 GHz ARM Cortex-A9
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Chipset-Mediatek MT6577
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GPU-PowerVR SGX531u
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Memory ROM256 MB-
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Memory RAM512 MB-
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Internal storage-2 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, v4.2.0 (Jelly Bean)Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Main camera3.15 MP5 MP
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Primary camera resolution2048 x 1536 pixels2592 x 1944 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, Polyphonic, MP3 ringtonesVibration, Polyphonic, MP3 ringtones
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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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USBmicroUSB 2.0Yes
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BluetoothYesv3.0
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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 IMIMIM
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Messaging Push EmailPush 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 capacity1500 mAh-
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Talk time-4 h 30 min
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Standby time-230 h
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Multimedia
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Radio FM-FM radio
