Celkon C90 vs Lenovo A789
Celkon C90
Lenovo A789
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Network
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2G networkGSM 900, 1800GSM 850, 900, 1800, 1900
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3G network-HSDPA 2100
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HSDPA speed-HSDPA
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HSUPA speed-HSUPA
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2014-122012-6
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Status2012-8
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Design
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SIMDual SIM (Mini-SIM)Dual SIM (Mini-SIM)
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Height101 mm126.6 mm
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Width52 mm65.4 mm
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Thickness12.3 mm13.2 mm
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Weight86 g154.8 g
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ColorsBlack/Red, White/RedBlack
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Display
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Display typeTFT touchscreenTFT capacitive touchscreen
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Physical size2.4 inches4.0 inches
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Resolution240 x 320 pixels480 x 800 pixels
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Pixel density167 ppi233 ppi
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Display colors-16777216
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Hardware
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CPUDual-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 RAM-512 MB
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Internal storage-4 GB
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Memory cardmicroSDmicroSD
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Memory card max8 GB32 GB
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Main camera
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Main camera1.3 MP5 MP
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Primary camera resolution1280 x 1024 pixels2592 x 1944 pixels
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Primary camera videovideo720p
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Primary camera Autofocus-autofocus
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Selfie camera
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Secondary cameraNoVGA camera
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Sound
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3.5mm jack-Yes
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LoudspeakerYesYes
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NotificationsVibration, PolyphonicVibration; MP3, WAV ringtones
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Multimedia
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Radio FMStereo FM radioFM radio
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Radio transmitter-FM transmitter
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Connectivity
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WLANWi-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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BluetoothYesYes
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GPSNoYes, with A-GPS
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Features
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Messaging SMSSMSSMS(threaded view)
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Messaging MMSMMSMMS
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Messaging Email-Email
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Messaging IM-IM
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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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HTML-Yes
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1000 mAh2000 mAh
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Talk time8 h 20 min-
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Standby time300 h-
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OS
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OS-Android OS, v4.0.4 (Ice Cream Sandwich)
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