Apple iPhone 4 CDMA vs Karbonn A3
Apple iPhone 4 CDMA
Karbonn A3
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Network
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2G networkCDMA 800, 1900GSM 850, 1900
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3G networkCDMA2000 1xEV-DO-
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EV-DO speed3.1 Mbps-
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GPRSYes
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EDGEYes
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Availability
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Oficially announced2011-12013-3
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Status2011-22013-3
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Design
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SIMMicro-SIMDual SIM (Mini-SIM)
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Height115.2 mm113 mm
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Width58.6 mm61 mm
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Thickness9.3 mm13.5 mm
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Weight137 g90 g
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ColorsBlack, WhiteWhite/Black
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Display
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Display typeLED-backlit IPS LCD, capacitive touchscreenTFT capacitive touchscreen
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Physical size3.5 inches4.0 inches
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Resolution640 x 960 pixels320 x 480 pixels
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Pixel density330 ppi144 ppi
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Display colors1677721616777216
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Hardware
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CPU1 GHz ARM Cortex-A81 GHz
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ChipsetApple A4-
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GPUPowerVR SGX535-
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Memory ROM-512 MB
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Memory RAM512 MB256 MB
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Internal storage16, 32 GB-
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Memory cardmicroSD
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Memory card max-32 GB
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OS
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OSiOS 4Android OS, v2.3.6 (Gingerbread)
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Main camera
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Main camera5 MP3.15 MP
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Primary camera resolution2592 x 1936 pixels2048 x 1536 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 camera-VGA camera
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Secondary camera videocallingVideocalling over Wi-Fi-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, proprietary ringtonesVibration, MP3, WAV ringtones
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Multimedia
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RadioNo-
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Radio FM-FM radio
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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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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(threaded view)
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IM-IM
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Messaging iMessageiMessage-
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Messaging Push EmailPush Email-
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JavaNoYes, via Java MIDP emulator
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Browser
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HTMLHTML (Safari)Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity1420 mAh1400 mAh
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Battery removableNon-removable-
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Talk time-4 h 20 min
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Standby time-250 h
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