Allview V4 Viper Pro vs Sigma Mobile X-treme PQ51
Allview V4 Viper Pro
Sigma Mobile X-treme PQ51
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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 900, 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), 7(2600), 8(900), 18(800)
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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, 150.8 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGEYesYes
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Availability
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Oficially announced2020-12018
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Status2020-12018
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Design
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Build-Plastic, rubber
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual SIM stand-by)
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Height171 mm148 mm
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Width82 mm76 mm
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Thickness8.8 mm12 mm
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Weight191.6 g214 g
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Waterproof-IP68
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Dust proof-IP68
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ColorsGreyBlack,Red
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size6.8 inches5.2 inches
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Resolution640 x 1352 pixels720 x 1280 pixels
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Pixel density220 ppi282 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, Corning Gorilla Glass 3
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A53
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ChipsetMediatek MT6739Mediatek MT6737
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GPUPowerVR GE8100Mali-T720 MP1
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Memory RAM2 GB2 GB
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Internal storage32 GB16 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max-32 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 9.0 PieAndroid 7.0 Nougat
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Main camera
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Camera typeDualDual
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Main camera13 MP13 MP
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0.3 MP0.3 MP
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Primary camera resolution-4160 x 3120 pixels
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Primary camera video1080p@30fps720p@30fps
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Primary camera flashLED flashLED 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 camera type-Dual
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Selfie camera8 MP5 MP
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0.3 MP
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Selfie camera resolution-2560 x 1920 pixels
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Selfie camera video1080p@30fps480p@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 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYesYes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth EDR-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYesYes
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Features
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SensorsAccelerometer, fingerprint, proximityAccelerometer, proximity, light, fingerprint, magnetometer
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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 mAh3700 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-MediaTek Pump Express
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Cost
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Price190 USD-
