Bravis NB851 vs Plum Compass
Bravis NB851
Plum Compass
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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, 1900, 2100
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HSDPA speed21 Mbps21.1 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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GPRSYesYes
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EDGE-Yes
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Availability
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Oficially announced2018-102016-12
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Status2018-102017-1
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Design
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BuildPlastic-
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SIMDual SIM (dual stand-by)Dual SIM (Micro-SIM, dual stand-by)
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Height122.8 mm146 mm
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Width206.5 mm72.6 mm
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Thickness7.7 mm9.8 mm
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Weight332 g168.7 g
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ColorsBlackBlack, Blue, Gold, Red, White
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Display
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Display typeIPS capacitive touchscreenIPS LCD capacitive touchscreen
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Physical size8 inches5.0 inches
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Resolution1280 x 800 pixels720 x 1280 pixels
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Pixel density189 ppi294 ppi
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Display colors1677721616777216
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.3 GHz Cortex-A7Quad-core 1.3 GHz Cortex-A7 ARM
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ChipsetMediatek MT8321Spreadtrum SC7731C
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GPUMali-400 MP2-
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Memory RAM1 GB1 GB
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Internal storage16 GB8 GB
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Memory cardmicroSD, microSDHC, microSDXCmicroSD
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Memory card max32 GB32 GB
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OS
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OSAndroid 8.1 OreoAndroid OS, v6.0 (Marshmallow)
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Main camera
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Camera typeSingle-
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Main camera2 MP8 MP
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Primary camera resolution1600 x 1200 pixels-
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Primary camera video720p@30fpsvideo
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Primary camera Autofocus-autofocus
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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-timerGeo-tagging, face/smile detection, touch focus
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Selfie camera
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Selfie camera0.3 MP2 MP
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Selfie camera resolution640 x 480 pixels-
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Selfie camera video480p@30fps-
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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Notifications-Vibration; MP3, WAV ringtones
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EarpieceYes-
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Multimedia
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RadioFM Radio-
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Radio FM-FM radio
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Connectivity
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WLANWi-Fi 802.11b, 802.11g, 802.11nWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi Hotspot-Yes
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WLAN WiFi Direct-Yes
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.0v4.0
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Bluetooth A2DPYesYes
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GPSYes, with A-GPSYes, with A-GPS
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Features
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Messaging SMS-SMS(threaded view)
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Messaging MMS-MMS
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Messaging Email-Email
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Messaging IM-IM
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Java-No
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SensorsAccelerometerAccelerometer
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Browser
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HTMLHTML5Yes
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity4000 mAh2000 mAh
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Battery removableNon-removable-
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Talk time 2G-25 h
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Talk time 3G-20 h
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Standby time 2G-620 h
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Standby time 3G-600 h
