HTC Desire 728 dual sim vs Karbonn A27 Retina
HTC Desire 728 dual sim
Karbonn A27 Retina
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800, 1900
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 2100
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HSDPA speed-HSDPA, 7.2 Mbps
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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 announced2015-92013-3
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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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Height157.9 mm133.6 mm
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Width77.8 mm66 mm
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Thickness7.9 mm9.1 mm
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Weight153 g126.5 g
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ColorsDiamond white, Graphite blackBlack
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Display
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Display typeCapacitive touchscreenIPS LCD capacitive touchscreen
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Physical size5.5 inches4.3 inches
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Resolution720 x 1280 pixels540 x 960 pixels
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Pixel density267 ppi256 ppi
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Display colors16777216-
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Hardware
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CPUOcta-core 1.3 GHz ARM Cortex-A53Dual-core 1.2 GHz
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ChipsetMediatek MT6753-
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GPUMali-T720MP3-
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Memory RAM2 GB512 MB
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Internal storage16 GB4 GB
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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, v5.1.1 (Lollipop)Android OS, v4.1 (Jelly Bean)
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Main camera
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Main camera13 MP8 MP
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Primary camera resolution4128 x 3096 pixels3264 x 2448 pixels
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Primary camera video1080p@30fpsvideo
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Primary camera Autofocusautofocusautofocus
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face detection, panorama, touch focus-
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Selfie camera
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Selfie camera5 MP2 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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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 HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0Yes
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Bluetoothv4.1Yes
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Bluetooth A2DPYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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 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 mAh1800 mAh
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Battery removableNon-removable-
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Talk time-4 h
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Talk time 2G26 h-
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Talk time 3G21 h-
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Standby time-180 h
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Standby time 2G496 h-
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Standby time 3G485 h-
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Multimedia
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Radio FM-FM radio