Bravis NB851 vs vivo S1 Prime
Bravis NB851
vivo S1 Prime
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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, 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 (2CA), Cat6, 300 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 announced2018-102020-08
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Status2018-102020-08
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Design
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BuildPlasticGlass front, plastic back, plastic frame
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SIMDual SIM (dual stand-by)Hybrid Dual SIM (Nano-SIM, dual stand-by)
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Height122.8 mm159.3 mm
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Width206.5 mm75.2 mm
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Thickness7.7 mm8.7 mm
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Weight332 g190.2 g
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ColorsBlackBlack, Blue
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Display
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Display typeIPS capacitive touchscreenAMOLED capacitive touchscreen
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Physical size8 inches6.38 inches
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Resolution1280 x 800 pixels1080 x 2340 pixels
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Pixel density189 ppi404 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 2.0 GHz Kryo 260 Gold
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CPU(second)quad-core 1.8 GHz Kryo 260 Silver
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ChipsetMediatek MT8321Qualcomm SDM665 Snapdragon 665
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GPUMali-400 MP2Adreno 610
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Memory RAM1 GB8 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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Storage-UFS 2.1
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OS
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OSAndroid 8.1 OreoFuntouch 9.2 (Android 9.0 Pie)
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Main camera
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Camera typeSingleQuad
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Main camera2 MP48 MP, f/1.8 , 1/2.0" , 0.8 µm
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8 MP, f/2.2 , 1/4.0" , 1.12 µm
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2 MP, f/2.4
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2 MP, f/2.4
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Primary camera resolution1600 x 1200 pixels-
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Primary camera video720p@30fps1080p@30fps
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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-timerHDR
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Selfie camera
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Selfie camera0.3 MP16 MP, f/2.0 , 1/3.06" , 1.0 µm
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Selfie camera resolution640 x 480 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 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, 802.11ac
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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 2.0microUSB 2.0
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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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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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Features
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SensorsAccelerometerAccelerometer, compass, fingerprint, gyro, 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 mAh4500 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-280 USD
