Apple iPhone 7 vs Bravis NB851
Apple iPhone 7
Bravis NB851
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Network
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2G networkGSM 850, 900, 1800, 1900; CDMA 800, 1900, 2100GSM 850, 900, 1800, 1900
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3G networkHSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO & TD-SCDMAHSDPA 900, 2100
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4G networkLTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 27(800), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500)-
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HSDPA speed42.2 Mbps21 Mbps
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HSUPA speed5.76 Mbps5.76 Mbps
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EV-DO speed3.1 Mbps-
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LTE speedLTE, Cat9, 450 Mbps download, 50 Mbps upload-
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GPRSYesYes
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EDGEYes-
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Availability
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Status2016-92018-10
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Oficially announced2016-92018-10
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Design
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Build-Plastic
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SIMNano-SIMDual SIM (dual stand-by)
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Height138.3 mm122.8 mm
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Width67.1 mm206.5 mm
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Thickness7.1 mm7.7 mm
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Weight138 g332 g
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PaymentApple Pay(Visa, MasterCard, AMEX certified)-
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Waterproof1m and 30 minutes-
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ColorsBlack, Gold, Jet Black, Rose Gold, SilverBlack
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Display
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Display typeLED-backlit IPS LCD, capacitive touchscreenIPS capacitive touchscreen
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Physical size4.7 inches8 inches
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Resolution750 x 1334 pixels1280 x 800 pixels
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Pixel density326 ppi189 ppi
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Display colors1677721616777216
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ProtectionIon-strengthened glass, oleophobic coating-
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MultitouchYesYes
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Hardware
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CPUQuad-core 1.8 GHzQuad-core 1.3 GHz Cortex-A7
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ChipsetApple A10 FusionMediatek MT8321
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GPUSix-core graphicsMali-400 MP2
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Memory RAM2 GB1 GB
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Internal storage32, 128, 256 GB16 GB
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Memory cardNomicroSD, microSDHC, microSDXC
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Memory card max-32 GB
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OS
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OSiOS 10Android 8.1 Oreo
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Main camera
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Camera type-Single
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Main camera12 MP, f/1.82 MP
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Primary camera resolution-1600 x 1200 pixels
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Primary camera video2160p@30fps, 1080p@30/60/120fps, 720p@240fps720p@30fps
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Primary camera flashquad-LED (dual tone) flashLED flash
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Primary camera optical image stabilizationoptical image stabilization-
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Primary camera phase detection autofocusphase detection autofocus-
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Camera featuresGeo-tagging, HDR (photo/panorama), face/smile detection, simultaneous 4K video and 8MP image recording, touch focusContinuous 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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Selfie camera7 MP, f/2.20.3 MP
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Selfie camera resolution-640 x 480 pixels
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Secondary camera HDRHDR-
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Secondary Camera Panoramapanorama-
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Secondary camera face detectionface detection-
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Selfie camera video1080p@30fps, 720p@240fps480p@30fps
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Sound
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3.5mm jackNoYes
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LoudspeakerYes, with stereo speakersYes
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NotificationsVibration, proprietary ringtones-
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Earpiece-Yes
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Multimedia
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RadioNoFM Radio
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Connectivity
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WLANWi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11acWi-Fi 802.11b, 802.11g, 802.11n
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WLAN WiFi HotspotYes-
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USBLightning, USB 2.0microUSB 2.0
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Bluetoothv4.2v4.0
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Bluetooth A2DPYesYes
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bluetooth LEYes-
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NFCYes (Apple Pay only)-
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GPSYes, with A-GPSYes, with A-GPS
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GLONASSYes-
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Features
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Messaging SMSiMessage(threaded view)-
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Messaging MMSMMS-
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Messaging EmailEmail-
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Messaging iMessageiMessage-
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Messaging Push EmailPush Email-
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JavaNo-
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SensorsFingerprint, accelerometer, barometer, compass, gyro, proximityAccelerometer
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Browser
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HTMLHTML5 (Safari)HTML5
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Battery
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Battery typeLi-IonLi-Ion
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Battery capacity-4000 mAh
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Battery removableNon-removableNon-removable
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Talk time 3G14 h-
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