Allview V4 Viper Pro vs Lava Z91
Allview V4 Viper Pro
Lava Z91
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 900, 1800
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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), 5(850), 40(2300), 41(2500)
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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, 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 announced2020-12018-3
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Status2020-12018-3
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Design
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Build-Plastic, metal
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SIMHybrid Dual SIM (Nano-SIM, dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height171 mm152 mm
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Width82 mm72.9 mm
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Thickness8.8 mm7.7 mm
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Weight191.6 g147 g
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ColorsGreyBlue
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Display
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Display typeIPS LCD capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size6.8 inches5.7 inches
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Resolution640 x 1352 pixels720 x 1440 pixels
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Pixel density220 ppi282 ppi
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Display colors1677721616777216
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Protection-2.5D curved glass screen
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MultitouchYesYes, max 5 fingers
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A53Quad-core 1.3 GHz Cortex-A53 ARM
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ChipsetMediatek MT6739Mediatek MT6739
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GPUPowerVR GE8100PowerVR GE8100
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Memory RAM2 GB3 GB
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Internal storage32 GB32 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max-128 GB
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StorageeMMC 5.1-
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OS
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OSAndroid 9.0 PieAndroid 7.1 (Nougat)
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Main camera
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Camera typeDual-
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Main camera13 MP13 MP, f/2.0 , 1.12 µm
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0.3 MP
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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 flash-
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Camera features-Geo-tagging, face detection, touch focus
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Selfie camera
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Flash-LED flash
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Selfie camera8 MP8 MP, f/2.2
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Selfie camera resolution-3264 x 2448 pixels
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Selfie camera video1080p@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 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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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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SensorsAccelerometer, fingerprint, proximityFingerprint (rear-mounted), accelerometer, proximity
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-PoLi-Po
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Battery capacity3500 mAh3000 mAh
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Battery removableNon-removableNon-removable
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Cost
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Price190 USD-
