Allview Allwatch vs Vertex Impress Calypso
Allview Allwatch
Vertex Impress Calypso
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Network
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2G networkN/AGSM 850, 900, 1800, 1900
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3G network-HSDPA 900, 2100
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4G network-LTE frequency band 1(2100), 3(1800), 7(2600), 18(800)
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LTE speed-LTE, Cat4, 150 Mbps download, 51 Mbps upload
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GPRSNoYes
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EDGENoYes
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Availability
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Oficially announced2016-112017-12
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Status2016-112017-12
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Design
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SIMNoDual SIM (Nano-SIM/Nano-SIM(microSD), dual stand-by)
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Height39 mm-
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Width31 mm-
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Thickness8.4 mm-
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Weight40 g-
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Waterproof1.5 m and 30 minutes-
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Dust proofYes-
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ColorsBlackGold, Gray
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Display
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Display typeMonochromeIPS capacitive touchscreen
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Physical size1.28 inches5 inches
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Resolution128 x 128 pixels720 x 1280 pixels
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Pixel density141 ppi294 ppi
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Display colors-16777216
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MultitouchNoYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A53
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Chipset-MediaTek MT6737W
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GPU-Mali-T720 MP2
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Memory RAM-3 GB
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Internal storage-32 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-32 GB
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PhonebookYes-
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Call recordsYes-
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Sound
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3.5mm jackNoYes
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LoudspeakerNoYes
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NotificationsYes-
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Earpiece-Yes
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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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WLANNoWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBNoType-C reversible connector
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Bluetoothv4.0v4.0
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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 SMSSMS-
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Messaging EmailEmail-
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Messaging IMIM-
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JavaNo-
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SensorsAccelerometer, heart rateAccelerometr, light, proximity
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Browser
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HTML-HTML5
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BrowserNo-
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity100 mAh2200 mAh
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Battery removableNon-removableNon-removable
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OS
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OS-Android 7.0 Nougat
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Main camera
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Main camera13 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video-720p@30fps
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Primary camera flash-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene mode
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Selfie camera
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Selfie camera5 MP
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Selfie camera resolution-2560 x 1920 pixels
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Selfie camera video-480p@30fps