Bravis NB851 vs Google Pixel 4a 5G
Bravis NB851
Google Pixel 4a 5G
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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, 19, 20, 25, 26, 28, 29, 30, 32, 38, 39, 40, 41, 42, 46, 48, 66, 71
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5G network-5G band 1, 2, 3, 5, 7, 8, 12, 28, 41, 66, 71, 77, 78 Sub6, mmWave (market dependent)
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HSDPA speed21 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE-A (CA)
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GPRSYesYes
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EDGE-Yes
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Availability
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Oficially announced2018-102020-09
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Status2018-102020-11
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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 mm153.9 mm
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Width206.5 mm74 mm
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Thickness7.7 mm8.2 mm
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Weight332 g168 g
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ColorsBlackBlack
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Display
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Display typeIPS capacitive touchscreenOLED
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Physical size8 inches6.2 inches
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Resolution1280 x 800 pixels1080 x 2340 pixels
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Pixel density189 ppi413 ppi
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Display colors1677721616777216
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Protection-Corning Gorilla Glass 3
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MultitouchYes-
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Display features-Always-on display, HDR
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Single-core 2.4 GHz Kryo 475 Prime
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CPU(second)Single-core 2.2 GHz Kryo 475 Gold
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CPU(third)Hexa-core 1.8 GHz Kryo 475 Silver
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ChipsetMediatek MT8321Qualcomm SDM765 Snapdragon 765G
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GPUMali-400 MP2Adreno 620
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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 11
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Main camera
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Camera typeSingleDual
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Main camera2 MP12 MP, (wide) , f/1.7 , 27 mm, 1/2.55" , 1.4 µm
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(ultrawide) , 16 MP, f/2.2 , 107˚ , 1.0 µm
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Primary camera resolution1600 x 1200 pixels4032 x 3024 pixels
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Primary camera video720p@30fps4K@30/60fps, 1080p@30/60/120/240fps; gyro-EIS
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Primary camera flashLED flashLED 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, 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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Selfie camera
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Selfie camera0.3 MP8 MP, (wide) , f/2.0 , 24 mm, 1/4.0" , 1.12 µm
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Selfie camera resolution640 x 480 pixels3264 x 2448 pixels
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Selfie camera features-Face unlock, HDR
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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 3.1
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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 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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BDS-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 mAh3885 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Power Delivery 2.0
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Tests and performance
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Antutu-330500 (v8)
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Geekbench(single-core)-610 (v5.2)
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Geekbench(multi-core)-1553 (v5.2)
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SAR value
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SAR(head)-1.2 W/kg
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SAR(body)-1.2 W/kg
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SAR EU(head)-0.94 W/kg
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SAR EU(body)-1.4 W/kg
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Cost
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Price-500 USD