Bravis NB851 vs Elephone PX Pro
Bravis NB851
Elephone PX Pro
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Network
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2G networkGSM 850, 900, 1800, 1900GSM 850, 900, 1800, 2100
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3G networkHSDPA 900, 2100HSDPA 850, 900, 1700, 1900, 2100
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4G network-LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40, 41
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HSDPA speed21 Mbps-
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HSUPA speed5.76 Mbps-
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LTE speed-LTE, Cat6, 301 Mbps download, 51 Mbps upload
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GPRSYesYes
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EDGE-Yes
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Availability
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Oficially announced2018-102020-05
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Status2018-102020-05
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Design
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BuildPlasticMetal, plastic
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SIMDual SIM (dual stand-by)Dual SIM (Nano-SIM/Nano-SIM(microSD))
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Height122.8 mm157.9 mm
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Width206.5 mm78.9 mm
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Thickness7.7 mm9.5 mm
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Weight332 g208 g
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ColorsBlackGray, Green
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Display
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Display typeIPS capacitive touchscreenIPS capacitive touchscreen
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Physical size8 inches6.53 inches
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Resolution1280 x 800 pixels1080 x 2340 pixels
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Pixel density189 ppi395 ppi
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Display colors1677721616777216
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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-A7Quad-core 2.1 GHz Cortex-A73
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CPU(second)quad-core 1.95 GHz Cortex-A53
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ChipsetMediatek MT8321MediaTek Helio P70
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GPUMali-400 MP2Mali-G72 MP3
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Memory RAM1 GB4 GB
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Internal storage16 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB-
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OS
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OSAndroid 8.1 OreoAndroid 9.0 Pie
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Main camera
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Camera typeSingleDual
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Main camera2 MP48 MP, 1/2" , 0.8 µm
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5 MP
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Primary camera resolution1600 x 1200 pixels8000 x 6000 pixels
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Primary camera video720p@30fps1080p@30fps
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Primary camera flashLED flashdual-LED flash
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Camera featuresContinuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, self-timerAutofocus, 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-Single
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Selfie camera0.3 MP16 MP
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Selfie camera resolution640 x 480 pixels4608 x 3456 pixels
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Selfie camera video480p@30fps720p@30fps MP
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Sound
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3.5mm jackYesNo
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LoudspeakerYesYes
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EarpieceYesYes
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Headphone adapter-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
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WLAN WiFi Hotspot-Yes
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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 reversible connector
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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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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, light, proximity
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Po
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Battery capacity4000 mAh3300 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Wireless charging-Yes
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