HP Slate7 VoiceTab Ultra vs Karbonn A37
HP Slate7 VoiceTab Ultra
Karbonn A37
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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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HSUPA speed-HSUPA
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HSPA speedHSPA-
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LTE speedLTE-
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2015-32014-12
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Status2015-32014-12
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Design
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SIMMicro-SIM/ Optional Dual SIMDual SIM
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Height183.5 mm197 mm
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Width103.9 mm124 mm
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Thickness7.2 mm12.3 mm
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Weight239 g335 g
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ColorsChampagneBlack/White
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Display
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Display typeLTPS LCD capacitive touchscreenTFT capacitive touchscreen
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Physical size7.0 inches7.0 inches
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Resolution1200 x 1920 pixels480 x 800 pixels
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Pixel density323 ppi133 ppi
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Display colors16777216-
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Hardware
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CPUQuad-core 1.6 GHz ARM Cortex-A9Dual-core 1 GHz
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ChipsetHiSilicon Balong V9R1-
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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 max32 GB32 GB
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OS
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OSAndroid OS, v4.2.2 (Jelly Bean)Android OS, v4.1 (Ice Cream Sandwich)
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Main camera
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Main camera13 MP2 MP
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Primary camera resolution4128 x 3096 pixels1600 x 1200 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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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 camera5 MP
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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, Polyphonic, MP3 ringtones
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Multimedia
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RadioNo-
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Radio FM-FM 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 HotspotYesYes
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USBmicroUSB 2.0Yes
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Bluetoothv4.0Yes
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bluetooth LEYes-
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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 Email-
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JavaYes, via Java MIDP emulatorYes, via Java MIDP emulator
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SensorsAccelerometer, compass, gyro, proximity-
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity5000 mAh3000 mAh
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Battery removableNon-removable-
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Talk time-8 h
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Talk time 3G10 h-
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Standby time-240 h
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Standby time 3G480 h-