HTC Desire 828 dual sim vs Karbonn A4
HTC Desire 828 dual sim
Karbonn A4
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 900, 2100
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HSDPA speed42.2 MbpsHSDPA
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HSUPA speed5.76 MbpsHSUPA
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-112013-3
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Status2015-112013-3
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Design
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SIMDual SIM (Nano-SIM, dual stand-by)Dual SIM (Mini-SIM)
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Height157.7 mm124.8 mm
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Width78.9 mm66 mm
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Thickness7.9 mm9.5 mm
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Weight75 g
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ColorsWhiteWhite/Black
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Display
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Display typeCapacitive touchscreenTFT capacitive touchscreen
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Physical size5.5 inches4.0 inches
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Resolution1080 x 1920 pixels320 x 480 pixels
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Pixel density401 ppi144 ppi
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Display colors16777216262144
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Hardware
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CPUOcta-core 1.5 GHz ARM Cortex-A53
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ChipsetMediatek MT6753-
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GPUMali-T720MP3-
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Memory RAM2 GB-
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Internal storage16 GB256, 512 MB
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Memory cardmicroSDmicroSD
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Memory card max200 GB32 GB
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OS
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OSAndroid OS, v5.1 (Lollipop)Android OS, v2.3.6 (Gingerbread)
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Main camera
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Main camera13 MP3.15 MP
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Primary camera resolution4160 x 3120 pixels2048 x 1536 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocus-
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Primary camera flashLED flash-
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Primary camera image stabilizationoptical image stabilization-
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focus-
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Selfie camera
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Secondary camera-Yes
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Selfie camera4 MP
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Selfie camera video1080p-
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Sound
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3.5mm jackYesYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsVibration; MP3, WAV ringtonesVibration, MP3, WAV ringtones
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Multimedia
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Radio FMFM radioFM radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11nWi-Fi
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0Yes
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BluetoothYesYes
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GPSYes, with A-GPSNo
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GLONASSYes-
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BeidouYes-
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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 IM-IM
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Messaging Push EmailPush Email-
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JavaNoYes, via Java MIDP emulator
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SensorsAccelerometer, compass, proximity-
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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 capacity2800 mAh1400 mAh
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Talk time-4 h 20 min
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Standby time-250 h