Karbonn KT21 Express vs ZTE Redbull V5 V9180
Karbonn KT21 Express
ZTE Redbull V5 V9180
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Network
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2G networkGSMGSM 900, 1800, 1900
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3G network-HSDPA 900, 2100
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HSDPA speed-42.2 Mbps
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HSUPA speed-5.76 Mbps
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122014-4
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Status2014-4
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Design
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SIMDual SIM (Mini-SIM)Dual SIM
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Height139 mm
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Width71 mm
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Thickness8.9 mm
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Weight165 g
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ColorsBlackBlack/Blue, Black/Red, Black/White, Black/Yellow
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Display
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Display typeTFT capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size2.8 inches5.0 inches
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Resolution-720 x 1280 pixels
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Pixel density-294 ppi
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Display colors-16777216
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Hardware
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CPUQuad-core 1.2 GHz ARM Cortex-A7
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Chipset-Qualcomm MSM8926 Snapdragon 400
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GPU-Adreno 305
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Internal storage-4 GB
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Memory RAM-1 GB
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Main camera
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Main camera3.15 MP13 MP
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Primary camera resolution2048 x 1536 pixels4128 x 3096 pixels
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Primary camera videovideovideo
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging, HDR, face/smile detection, panorama, touch focus
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Selfie camera
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Secondary cameraNo-
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Selfie camera5 MP
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration, Polyphonic(64), MP3 ringtonesVibration; MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Radio recordingFM recording-
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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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USB host-Yes
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BluetoothYesv4.0
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Bluetooth A2DP-Yes
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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 EmailEmailEmail
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Messaging IM-IM
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Messaging Push Email-Push Email
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JavaYesYes, via Java MIDP emulator
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Sensors-Accelerometer, compass, gyro, proximity
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Browser
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HTML-HTML5
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BrowserYes-
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity1000 mAh2400 mAh
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Talk time-6 h 40 min
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Standby time-300 h
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OS
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OS-Android OS, v4.3 (Jelly Bean)
