Gionee Gpad G4 vs Karbonn A21
Gionee Gpad G4
Karbonn A21
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 2100
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HSDPA speedHSDPAHSDPA, 7.2 Mbps
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HSUPA speedHSUPA-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122014-12
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Status2014-12
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Design
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SIMDual SIM (dual stand-by)Dual SIM (Mini-SIM)
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Height163.5 mm
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Width81.3 mm
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Thickness8 mm
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Weight
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ColorsBlack, WhitePearl White
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Display
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Display typeIPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size5.7 inches4.5 inches
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Resolution720 x 1280 pixels480 x 800 pixels
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Pixel density258 ppi207 ppi
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Display colors16777216262144
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Hardware
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CPUQuad-core 1.5 GHz ARM Cortex-A7Dual-core 1.2 GHz
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GPUPowerVR Series 5XT-
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Memory RAM1 GB512 MB
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Internal storage16 GB4 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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OSAndroid OS, v4.2 (Jelly Bean)Android OS, v4.0 (Ice Cream Sandwich)
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Main camera
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Main camera13 MP5 MP
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Primary camera resolution4128 x 3096 pixels2592 x 1944 pixels
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Primary camera video1080pvideo
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Selfie camera
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Selfie camera5 MP1.3 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio-No
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Radio FMFM 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 HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v2.1
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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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 MailPush Email
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity3200 mAh1800 mAh
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Talk time-5 h
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Talk time 2G26 h-
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Talk time 3G14 h-
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Standby time375 h200 h
