Allview V3 Viper vs Xiaomi Black Shark Helo
Allview V3 Viper
Xiaomi Black Shark Helo
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
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3G networkHSDPA 850, 900, 1900, 2100HSDPA 850, 900, 1900, 2100; CDMA2000 1xEV-DO
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4G networkLTE frequency band 1(2100), 3(1800), 5(850), 8(900), 20(800), 38(2600), 39(1900), 40(2300)LTE frequency band 1(2100), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
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HSDPA speed21.1 Mbps-
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HSUPA speed5.76 Mbps-
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps uploadLTE, Cat18, 1.2 Gbps download, 221 Mbps upload
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GPRSClass 10Yes
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EDGEClass 10Yes
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Availability
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Oficially announced2018-12018-10
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Status2018-22018-11
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Design
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BuildPlastic, metalAluminium alloy
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SIMHybrid Dual SIM (Micro-SIM/Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height148.3 mm160 mm
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Width71.8 mm75.2 mm
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Thickness8.1 mm8.7 mm
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Weight143.6 g190 g
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ColorsBlack, Gold, SilverBlack
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Display
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Display typeIPS LCD capacitive touchscreenAMOLED capacitive touchscreen
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Physical size5.5 inches6.01 inches
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Resolution720 x 1440 pixels1080 x 2160 pixels
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Pixel density293 ppi402 ppi
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Display colors1677721616777216
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ProtectionCorning Gorilla Glass 3Scratch resistant
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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 ARM Cortex-A53Quad-core 2.8 GHz Kryo 385 Gold
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CPU(second)quad-core 1.8 GHz Kryo 385 Silver
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ChipsetMediatek MT6737Qualcomm SDM845 Snapdragon 845
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GPUMali-T720MP2Adreno 630
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Memory RAM3 GB6, 8, 10 GB
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Internal storage32 GB128, 256 GB
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Memory cardmicroSD(uses second SIM slot)-
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Memory card max256 GB-
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OS
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OSAndroid 8.0 (Oreo)Android 8.0 Oreo
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Main camera
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Camera type-Dual
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Main camera13 MP, f/2.012 MP, f/1.8 , 1.25 µm
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20 MP, f/1.8 , 1.0 µm
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Primary camera resolution4160 x 3120 pixels4000 x 3000 pixels
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Primary camera video1080p@30fps2160p@30fps, 1080p@30fps, 720p@120fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashdual-LED flash
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Primary camera phase detection autofocus-dual pixel phase detection autofocus
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Camera featuresGeo-tagging, HDR, face/smile detection, touch focusAutofocus, continuous shooting, digital zoom, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, RAW
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Selfie camera
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FlashLED flash-
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Selfie camera13 MP20 MP, f/2.2 , 1.0 µm
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Selfie camera resolution4160 x 3120 pixels5120 x 3840 pixels
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Selfie camera video720p@30fps1080p@30fps
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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Multimedia
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Radio-No
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Radio FMFM 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, 802.11n 5Ghz, 802.11ac
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WLAN WiFi HotspotYesYes
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WLAN WiFi DirectYesYes
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Wi-Fi display-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 1.0 reversible connector
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USB On-The-Go-Yes
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Bluetoothv4.2v5.0
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Bluetooth A2DPYesYes
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bluetooth LEYesYes
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InfraredYes-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Beidou-Yes
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Features
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Messaging SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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SensorsFingerprint (rear-mounted), accelerometer, compass, proximityAccelerometer, compass, gyroscope, fingerprint, light, 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 capacity3000 mAh4000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge 3.0
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Talk time 2G12 h-
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Talk time 3G12 h-
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Standby time 2G300 h-
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Standby time 3G300 h-
