Bravis NB851 vs Xiaomi Poco X3 NFC
Bravis NB851
Xiaomi Poco X3 NFC
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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, 20, 28, 38, 40, 41
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HSDPA speed21 Mbps42.2 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speed-LTE-A, 750 Mbps download, 150 Mbps upload
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GPRSYesYes
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EDGE-Yes
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Availability
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Oficially announced2018-102020-09
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Status2018-102020-09
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Design
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BuildPlasticGlass front (Gorilla Glass 5), aluminum frame, plastic back
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SIMDual SIM (dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height122.8 mm165.3 mm
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Width206.5 mm76.8 mm
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Thickness7.7 mm9.4 mm
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Weight332 g215 g
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Splash resistant-IP53
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ColorsBlackBlue, Gray
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Display
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Display typeIPS capacitive touchscreenIPS LCD
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Physical size8 inches6.67 inches
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Resolution1280 x 800 pixels1080 x 2400 pixels
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Pixel density189 ppi395 ppi
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Display colors1677721616777216
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Protection-Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
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MultitouchYes-
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Display features-120Hz, HDR10, 450 nits (typ)
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Hardware
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CPU-Octa-core
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CPUQuad-core 1.3 GHz Cortex-A7Dual-core 2.3 GHz Kryo 470 Gold
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CPU(second)Hexa-core 1.8 GHz Kryo 470 Silver
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ChipsetMediatek MT8321Qualcomm SM7150-AC Snapdragon 732G
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GPUMali-400 MP2Adreno 618
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Memory RAM1 GB6 GB
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Internal storage16 GB64, 128 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD, microSDHC, microSDXC
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Memory card max32 GB256 GB
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Storage-UFS 2.1
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OS
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OSAndroid 8.1 OreoAndroid 10, MIUI 12
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Main camera
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Camera typeSingleQuad
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Main camera2 MP64 MP, (wide) , f/1.9 , 1/1.73" , 0.8 µm
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(ultrawide) , 13 MP, f/2.2 , 119˚ , 1.0 µm
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(macro) , 2 MP, f/2.4
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(depth) , 2 MP, f/2.4
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Primary camera resolution1600 x 1200 pixels9248 x 6944 pixels
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Primary camera video720p@30fps4K@30fps, 1080p@30/120fps, 720p@960fps; 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, digital 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-107
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DxOMark zoom-45
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DxOMark video-98
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DxOMark camera score-103
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Selfie camera
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Selfie camera type-Single
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Selfie camera0.3 MP20 MP, (wide) , f/2.2 , 1/3.4" , 0.8 µm
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Selfie camera resolution640 x 480 pixels5963 x 3354 pixels
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Selfie camera features-HDR, panorama
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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 RadioFM Radio, recording
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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 2.0
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USB On-The-Go-Yes
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Bluetoothv4.0v5.1
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Bluetooth A2DPYesYes
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bluetooth LE-Yes
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Infrared-Yes
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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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BDS-Yes
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Features
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SensorsAccelerometerAccelerometer, 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 mAh5160 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Quick Charge (62% in 30 min, 100% in 65 min)
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Tests and performance
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Antutu-301581 (v8)
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Geekbench(single-core)-580 (v5.2)
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Geekbench(multi-core)-1783 (v5.2)
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SAR value
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SAR(head)-0.77 W/kg
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SAR(body)-0.61 W/kg
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SAR EU(head)-0.56 W/kg
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SAR EU(body)-0.99 W/kg
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Cost
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Price-210 USD
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