Allview V4 Viper Pro vs UMIDIGI Bison GT2 Pro
Allview V4 Viper Pro
UMIDIGI Bison GT2 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 Mbps42.2 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, 603 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 mm172.2 mm
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Width82 mm83.9 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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ColorsGreyBlack
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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
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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 2.05 GHz Cortex-A76
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CPU(second)Hexa-core 2.0 GHz Cortex-A55
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ChipsetMediatek MT6739Mediatek Helio G95
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GPUPowerVR GE8100Mali-G76 MC4
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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 MP64 MP, (standard) , f/1.8 , 1/1.72" , 0.8 µm
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0.3 MP8 MP, (ultrawide) , f/2.2 , 117˚
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88˚ , (macro) , 5 MP, f/2.4
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Primary camera resolution-9280 x 6920 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 MP36 MP, f/2.0
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Selfie camera resolution-6592 x 5480 pixels
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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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Bluetoothv4.0v5.0
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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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BDS-Yes
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Features
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SensorsAccelerometer, fingerprint, proximityAltimeter, accelerometer, barometer, compass, fingerprint, geomagnetic, gyroscope, 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 USD280 USD
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Tests and performance
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Antutu-334737 (v8)
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Geekbench(single-core)-551 (v5.2)
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Geekbench(multi-core)-1727 (v5.2)