Apple iPad 2 Wi-Fi + 3G vs Celkon C355
Apple iPad 2 Wi-Fi + 3G
Celkon C355
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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3G networkHSDPA 850, 900, 1900, 2100-
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HSDPA speedHSDPA, 14.4 Mbps-
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HSUPA speedHSUPA, 2 Mbps-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2011-32013-2
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Status2011-32013-2
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Design
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SIMMicro-SIMDual SIM (Mini-SIM)
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Height241.2 mm
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Width185.7 mm
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Thickness8.8 mm
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Weight607 g
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ColorsBlack, WhiteBlack/Red, Black/Silver, Black/Yellow
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Display
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Display typeLED-backlit IPS LCD, capacitive touchscreenTFT
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Physical size9.7 inches1.77 inches
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Resolution768 x 1024 pixels128 x 160 pixels
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Pixel density132 ppi116 ppi
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Display colors16777216-
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Hardware
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CPUDual-core 1 GHz ARM Cortex-A9
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ChipsetApple A5-
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GPUPowerVR SGX543MP2-
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Memory RAM512 MB-
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Internal storage16, 32, 64 GB-
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Memory cardmicroSD
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Memory card max-8 GB
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OS
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OSiOS 4-
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Main camera
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Camera typeVideo-
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Main camera0.7 MP
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Primary camera-Yes
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Primary camera resolution960 x 720 pixels-
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Primary camera video720p@30fpsno
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Selfie camera
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Secondary cameraVGA cameraNo
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Sound
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3.5mm jackYes-
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LoudspeakerYesYes
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NotificationsN/AVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNoNo
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n
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WLAN WiFi Dual BandYes-
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USB2.0Yes
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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 SMS-SMS
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging iMessageiMessage-
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Messaging Push EmailPush Email-
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JavaNoNo
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Browser
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HTMLHTML (Safari)-
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Browser-No
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity6930 mAh1100 mAh
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Battery removableNon-removable-
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Talk time9 h4 h
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Standby time720 h180 h
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