Allview V4 Viper Pro vs UMIDIGI Bison 2 Pro
Allview V4 Viper Pro
UMIDIGI Bison 2 Pro
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 1900; CDMA 800, 1900
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700(AWS), 1900, 2100
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4G networkLTE frequency band 1(2100), 3(1800), 7(2600), 20(800), 38(2600)LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66
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HSDPA speed21.1 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE Cat 4, 150 Mbps download, 50 Mbps uploadLTE, 301 Mbps download, 151 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-12022-01
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Status2020-12022-01
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Design
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Build-Metal, polycarbonate, TPU
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height171 mm172.07 mm
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Width82 mm83.82 mm
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Thickness8.8 mm12.9 mm
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Weight191.6 g280 g
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Waterproof-IP68/IP69K
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Dust proof-IP68/IP69K
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MIL-STD-810G-Yes
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ColorsGreyOrange, Yellow
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Display
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Display typeIPS LCD capacitive touchscreenIPS TFT
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Physical size6.8 inches6.5 inches
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Resolution640 x 1352 pixels1080 x 2400 pixels
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Pixel density220 ppi405 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass
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MultitouchYes-
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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-A75
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CPU(second)Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediatek MT6739MediaTek Helio P90 (MT6779)
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GPUPowerVR GE8100PowerVR GM9446
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Memory RAM2 GB8 GB
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Internal storage32 GB256 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max-512 GB
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StorageeMMC 5.1UFS 2.1
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OS
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OSAndroid 9.0 PieAndroid 12
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Main camera
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Camera typeDualTriple
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Main camera13 MP48 MP, (standard) , f/1.8 , 1/2" , 0.8 µm
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0.3 MP16 MP, (ultrawide) , f/2.2 , 117˚
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88˚ , (macro) , 5 MP, f/2.4
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Primary camera resolution-8000 x 6000 pixels
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Primary camera video1080p@30fps2160p@30fps
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Primary camera flashLED flashdual-LED flash
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Camera features-Autofocus, continuous shooting, digital zoom, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus
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Selfie camera
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Selfie camera type-Single
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Selfie camera8 MP24 MP, f/2.0
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Selfie camera features-Face unlock
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Selfie camera video1080p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Earpiece-Yes
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Multimedia
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RadioFM RadioFM 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 Direct-Yes
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WLAN WiFi Dual Band-Yes
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USBmicroUSB 2.0Type-C 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v4.2
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Bluetooth A2DPYesYes
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bluetooth HID-Yes
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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GALILEO-Yes
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Features
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SensorsAccelerometer, fingerprint, proximityAltimeter, accelerometer, barometer, compass, fingerprint, geomagnetic, gyroscope, IR thermometer 2.0, magnetometer, pedometer, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3500 mAh6150 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Cost
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Price190 USD190 USD
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Tests and performance
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Antutu-232499 (v8)
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Geekbench(single-core)-413 (v5.2)
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Geekbench(multi-core)-1529 (v5.2)