Alcatel Pop 4+ vs Bravis NB851
Alcatel Pop 4+
Bravis NB851
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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 850, 900, 1700(AWS), 1900, 2100HSDPA 900, 2100
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HSDPA speed42.2 Mbps21 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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LTE speedLTE, Cat4, 150 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYes-
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Availability
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Oficially announced2016-22018-10
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Status2016-22018-10
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Design
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Build-Plastic
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SIMSingle SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)Dual SIM (dual stand-by)
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Height151 mm122.8 mm
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Width77 mm206.5 mm
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Thickness8 mm7.7 mm
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Weight332 g
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ColorsVariousBlack
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Display
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Display typeIPS LCD capacitive touchscreenIPS capacitive touchscreen
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Physical size5.5 inches8 inches
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Resolution1080 x 1920 pixels1280 x 800 pixels
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Pixel density401 ppi189 ppi
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Display colors1677721616777216
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MultitouchYes, max 5 fingersYes
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Hardware
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CPUQuad-core 1.1 GHz ARM Cortex-A7Quad-core 1.3 GHz Cortex-A7
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ChipsetQualcomm MSM8909 Snapdragon 210Mediatek MT8321
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GPUAdreno 304Mali-400 MP2
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Memory RAM1.5 GB1 GB
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Internal storage16 GB16 GB
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Memory cardmicroSDmicroSD, microSDHC, microSDXC
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Memory card max32 GB32 GB
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OS
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OSAndroid OS, v6.0 (Marshmallow)Android 8.1 Oreo
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Main camera
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Camera type-Single
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Main camera8 MP, f/2.02 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera video720p@30fps720p@30fps
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Primary camera Autofocusautofocus-
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Primary camera flashLED flashLED flash
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Camera featuresGeo-tagging, HDR, face/smile detection, panoramaContinuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, self-timer
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Selfie camera
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FlashLED flash-
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Selfie camera5 MP0.3 MP
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Selfie camera resolution-640 x 480 pixels
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Selfie camera video-480p@30fps
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Sound
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3.5mm jackYesYes
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LoudspeakerYesYes
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NotificationsVibration; MP3, WAV ringtones-
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Earpiece-Yes
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Multimedia
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Radio-FM Radio
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Radio FMFM 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 HotspotYes-
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WLAN WiFi DirectYes-
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USBmicroUSB 2.0microUSB 2.0
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Bluetoothv4.1v4.0
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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 SMSSMS(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging IMIM-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsAccelerometer, compass (optional), proximityAccelerometer
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Browser
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HTMLHTML5HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity2500 mAh4000 mAh
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Battery removableRemovableNon-removable
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Talk time 2G18 h-
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Talk time 3G15 h-
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Standby time 2G525 h-
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Standby time 3G500 h-