Apple iPhone 4 vs Celkon A7
Apple iPhone 4
Celkon A7
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100-
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HSDPA speedHSDPA, 7.2 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesYes
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EDGEYes
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Availability
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Oficially announced2010-62014-12
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Status2010-6
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Design
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SIMMicro-SIMDual SIM (Mini-SIM)
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Height115.2 mm
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Width58.6 mm
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Thickness9.3 mm
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Weight137 g
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ColorsBlack, WhiteBlack
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Display
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Display typeLED-backlit IPS LCD, capacitive touchscreenTFT touchscreen
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Physical size3.5 inches3.2 inches
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Resolution640 x 960 pixels240 x 400 pixels
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Pixel density330 ppi146 ppi
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Display colors16777216-
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Hardware
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CPU1 GHz ARM Cortex-A8
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ChipsetApple A4-
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GPUPowerVR SGX535-
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Memory RAM512 MB-
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Internal storage8, 16, 32 GB-
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Memory cardmicroSD
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Memory card max-16 GB
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OS
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OSiOS 4-
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Main camera
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Camera typePhoto / Video-
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Main camera5 MP2 MP
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Primary camera resolution2592 x 1936 pixels1600 x 1200 pixels
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Primary camera video720p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Selfie camera
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Secondary cameraVGA cameraNo
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Secondary camera videocallingvideocalling over Wi-Fi-
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Selfie camera video480p@30fps-
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Sound
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3.5mm jackYes-
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LoudspeakerYesYes
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NotificationsVibration, proprietary ringtonesVibration, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-Stereo FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USB2.0Yes
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Bluetoothv2.1Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSiMessage(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmail-
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Messaging iMessageiMessage-
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Messaging Push EmailPush Email-
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JavaNoYes
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Browser
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HTMLHTML (Safari)-
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Browser-Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1420 mAh1450 mAh
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Battery removableNon-removable-
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Talk time-6 h 40 min
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Talk time 2G14 h-
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Talk time 3G7 h-
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Standby time-500 h
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Standby time 2G300 h-
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Standby time 3G300 h-
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