Bravis NB851 vs Google Pixel 4a
Bravis NB851
Google Pixel 4a
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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 850, 900, 1700(AWS), 1900, 2100
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4G network-LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71
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HSDPA speed21 Mbps42 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed-3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE-A (3CA) Cat 12, 600 Mbps download, 75 Mbps upload
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GPRSYesYes
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EDGE-Yes
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Availability
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Oficially announced2018-102020-08
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Status2018-102020-08
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Design
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BuildPlasticGlass front (Gorilla Glass 3), plastic back, plastic frame
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SIMDual SIM (dual stand-by)Nano-SIM and/or eSIM
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Height122.8 mm144 mm
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Width206.5 mm69.4 mm
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Thickness7.7 mm8.2 mm
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Weight332 g143 g
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ColorsBlackBlack
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Display
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Display typeIPS capacitive touchscreenOLED capacitive touchscreen
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Physical size8 inches5.81 inches
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Resolution1280 x 800 pixels1080 x 2340 pixels
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Pixel density189 ppi443 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, Corning Gorilla Glass 3
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MultitouchYes-
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Display features-HDR, Always-on display
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Dual-core 2.2 GHz Kryo 470 Gold
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CPU(second)Hexa-core 1.8 GHz Kryo 470 Silver
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ChipsetMediatek MT8321Qualcomm SDM730 Snapdragon 730G
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GPUMali-400 MP2Adreno 618
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Memory RAM1 GB6 GB
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Internal storage16 GB128 GB
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Memory cardmicroSD, microSDHC, microSDXCNo
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Memory card max32 GB-
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Storage-UFS 2.1
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OS
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OSAndroid 8.1 OreoAndroid 10
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Main camera
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Camera typeSingleSingle
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Main camera2 MP12 MP, f/1.7 , 27 mm, 1/2.55" , 1.4 µm
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Primary camera resolution1600 x 1200 pixels4032 x 3024 pixels
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Primary camera video720p@30fps4K@30fps, 1080p@30/60/120fps; gyro-EIS
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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, optical zoom, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus
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DxOMark photo-122
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DxOMark zoom-34
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DxOMark video-98
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DxOMark camera score-111
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Selfie camera
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Selfie camera0.3 MP8 MP, f/2.0 , 24 mm, 1.12 µm
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Selfie camera resolution640 x 480 pixels3264 x 2448 pixels
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Selfie camera video480p@30fps1080p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes, with stereo speakers
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EarpieceYesYes
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Multimedia
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RadioFM RadioNo
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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 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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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Bluetooth AptX-aptX HD
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NFC-Yes
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GPSYes, with A-GPSYes, with A-GPS
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GLONASS-Yes
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GALILEO-Yes
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QZSS-Yes
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Features
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SensorsAccelerometerAccelerometer, barometer, compass, fingerprint, gyroscope, 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 mAh3140 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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Price-350 USD
