Bravis NB851 vs Lenovo K12 Pro
Bravis NB851
Lenovo K12 Pro
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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, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 39, 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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EV-DO speed-EV-DO Rev.A 3.1 Mbps download, 1.8 Mbps upload
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LTE speed-LTE-A, 391 Mbps download, 151 Mbps upload
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GPRSYesYes
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EDGE-Yes
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Availability
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Oficially announced2018-102020-12
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Status2018-102020-12
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Design
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BuildPlasticPlastic
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SIMDual SIM (dual stand-by)Dual SIM (Nano-SIM, dual stand-by)
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Height122.8 mm172.1 mm
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Width206.5 mm76.8 mm
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Thickness7.7 mm9.7 mm
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Weight332 g221 g
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ColorsBlackMetallic Sage, Violet
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Display
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Display typeIPS capacitive touchscreenIPS LCD
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Physical size8 inches6.8 inches
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Resolution1280 x 800 pixels720 x 1640 pixels
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Pixel density189 ppi263 ppi
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Display colors1677721616777216
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Protection-Scratch resistant
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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 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Kryo 260 Silver
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ChipsetMediatek MT8321Qualcomm SM6115 Snapdragon 662
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GPUMali-400 MP2Adreno 610
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Memory RAM1 GB4 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 GB512 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 typeSingleTriple
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Main camera2 MP64 MP, (wide) , f/1.8 , 26 mm, 1/1.97" , 0.7 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 pixels9280 x 6920 pixels
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Primary camera video720p@30fps1080p@30/60fps
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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, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, laser autofocus
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Selfie camera
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Selfie camera type-Single
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Selfie camera0.3 MP16 MP, f/2.2 , 1.0 µm
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Selfie camera resolution640 x 480 pixels4608 x 3456 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
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EarpieceYesYes
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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, 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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Bluetoothv4.0v5.0
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Bluetooth A2DPYesYes
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bluetooth LE-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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GALILEO-Yes
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SUPL-Yes
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LTEEP-Yes
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Features
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SensorsAccelerometerAccelerometer, fingerprint, 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 mAh6000 mAh
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Battery removableNon-removableNon-removable
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Fast battery charging-Yes
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Reverse charging-Yes
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Tests and performance
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Antutu-178220 (v8)
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Geekbench(single-core)-320 (v5.2)
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Geekbench(multi-core)-1339 (v5.2)
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Cost
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Price-160 USD
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