Allview V4 Viper Pro vs Samsung Galaxy J7 Duo
Allview V4 Viper Pro
Samsung Galaxy J7 Duo
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 20(800), 38(2600)LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speedLTE Cat 4, 150 Mbps download, 50 Mbps uploadLTE, 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 announced2020-12018-4
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Status2020-12018-4
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Design
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Build-Metal
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
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Height171 mm153.5 mm
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Width82 mm77.2 mm
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Thickness8.8 mm8.2 mm
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Weight191.6 g174 g
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ColorsGreyBlack, Gold, Rose Gold, White
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Display
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Display typeIPS LCD capacitive touchscreenSuper AMOLED capacitive touchscreen
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Physical size6.8 inches5.5 inches
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Resolution640 x 1352 pixels720 x 1280 pixels
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Pixel density220 ppi267 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYesYes
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A53Dual-core 2.2 GHz Cortex-A73
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CPU(second)Hexa-core 1.6 GHz Cortex-A53
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ChipsetMediatek MT6739Exynos 7885 Octa
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GPUPowerVR GE8100Mali-G71
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Memory RAM2 GB4 GB
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Internal storage32 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max-256 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 9.0 PieAndroid 8.0 (Oreo)
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Main camera
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Camera typeDualDual
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Main camera13 MP13 MP, f/1.9
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0.3 MP5 MP, f/1.9
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video1080p@30fps1080p@30fps
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Primary camera Autofocus-autofocus
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Primary camera flashLED flashLED flash
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Camera features-Geo-tagging, HDR, face detection, panorama, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera8 MP8 MP, f/1.9
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video1080p@30fps720p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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Earpiece-Yes
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Multimedia
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RadioFM Radio-
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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 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Yes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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BDS-Yes
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Messaging Push Email-Push Email
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SensorsAccelerometer, fingerprint, proximityFingerprint (front-mounted), accelerometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Ion
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Battery capacity3500 mAh3000 mAh
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Battery removableNon-removableRemovable
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Cost
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Price190 USD-
