HTC Evo 4G+ vs Karbonn KT21 Express
HTC Evo 4G+
Karbonn KT21 Express
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Network
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2G networkGSM 850, 900, 1800, 1900GSM
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3G networkHSDPA 900, 2100-
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HSDPA speedHSDPA, 14.4 Mbps-
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HSUPA speedHSUPA, 5.76 Mbps-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2014-122014-12
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Status
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Design
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SIMMini-SIMDual SIM (Mini-SIM)
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Height126 mm
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Width65 mm
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Thickness12.1 mm
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Weight160 g
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ColorsBlackBlack
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Display
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Display typeSuper LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size4.3 inches2.8 inches
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Resolution540 x 960 pixels-
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Pixel density256 ppi-
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Display colors16777216-
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Hardware
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CPUDual-core 1.2 GHz
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ChipsetQualcomm MSM8260 Snapdragon-
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GPUAdreno 220-
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Memory RAM1 GB-
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Internal storage4 GB-
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Memory cardmicroSDmicroSD
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Memory card max32 GB32 GB
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Memory card included8 GB-
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OS
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OSAndroid OS, v2.3.4 (Gingerbread)-
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Main camera
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Main camera8 MP3.15 MP
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Primary camera resolution3264 x 2448 pixels2048 x 1536 pixels
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Primary camera video1080pvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Selfie camera
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Secondary camera-No
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Selfie camera1.3 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, Polyphonic(64), MP3 ringtones
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Multimedia
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Radio FMStereo FM radio with RDSFM radio
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Radio recording-FM recording
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11n
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WLAN wimaxWiMAX 802.16 e-
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WLAN DLNAYes-
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USBmicroUSB 2.0Yes
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Bluetoothv3.0Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSNo
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Features
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Messaging SMSSMS(threaded view)SMS
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Messaging MMSMMSMMS
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Messaging EmailEmailEmail
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaYes, via Java MIDP emulatorYes
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Browser
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HTMLYes-
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Browser-Yes
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Adobe FlashYes-
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity1730 mAh1000 mAh
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Talk time--
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Talk time 2G7 h 20 min-
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Talk time 3G6 h 50 min-
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Standby time--
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Standby time 2G270 h-
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Standby time 3G330 h-
