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Bravis NB851
Compare Bravis NB851 and Oppo A11k

Bravis NB851 vs Oppo A11k

Bravis NB851
Bravis NB851
Oppo A11k
Oppo A11k
Bravis NB851
Oppo A11k
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 900, 2100
    HSDPA 850, 900, 2100
  • 4G network
    -
    LTE frequency band 1, 3, 5, 8, 38, 40, 41
  • HSDPA speed
    21 Mbps
    42.2 Mbps
  • HSUPA speed
    5.76 Mbps
    5.76 Mbps
  • LTE speed
    -
    LTE, 301 Mbps download, 151 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    -
    Yes
  • Availability
  • Oficially announced
    2018-10
    2020-06
  • Status
    2018-10
    2020-06
  • Design
  • Build
    Plastic
    Glass front, plastic back, plastic frame
  • SIM
    Dual SIM (dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    122.8 mm
    155.9 mm
  • Width
    206.5 mm
    75.5 mm
  • Thickness
    7.7 mm
    8.3 mm
  • Weight
    332 g
    165 g
  • Colors
    Black
    Blue, Silver
  • Display
  • Display type
    IPS capacitive touchscreen
    IPS LCD
  • Physical size
    8 inches
    6.22 inches
  • Resolution
    1280 x 800 pixels
    720 x 1520 pixels
  • Pixel density
    189 ppi
    270 ppi
  • Display colors
    16777216
    16777216
  • Protection
    -
    Corning Gorilla Glass 3
  • Multitouch
    Yes
    -
  • Display features
    -
    450 nits (typ)
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    Quad-core 1.3 GHz Cortex-A7
    Quad-core 2.35 GHz Cortex-A53
  • CPU(second)
    quad-core 1.8 GHz Cortex-A53
  • Chipset
    Mediatek MT8321
    Mediatek MT6765 Helio P35
  • GPU
    Mali-400 MP2
    PowerVR GE8320
  • Memory RAM
    1 GB
    2 GB
  • Internal storage
    16 GB
    32 GB
  • Memory card
    microSD, microSDHC, microSDXC
    microSD, microSDHC, microSDXC
  • Memory card max
    32 GB
    256 GB
  • Storage
    -
    eMMC 5.1
  • OS
  • OS
    Android 8.1 Oreo
    Android 9.0 Pie, ColorOS 6.1
  • Main camera
  • Camera type
    Single
    Dual
  • Main camera
    2 MP
    13 MP, (wide) , f/2.2 , 1/3.1" , 1.12 µm
  • (depth) , 2 MP, f/2.4
  • Primary camera resolution
    1600 x 1200 pixels
    -
  • Primary camera video
    720p@30fps
    1080p@30fps
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    Continuous shooting, digital zoom, geotagging, panorama, HDR, face detection, white balance settings, ISO settings, self-timer
    HDR, Panorama
  • Selfie camera
  • Selfie camera type
    -
    Single
  • Selfie camera
    0.3 MP
    5 MP, f/2.4 , 1/5" , 1.12 µm
  • Selfie camera resolution
    640 x 480 pixels
    -
  • Selfie camera features
    -
    HDR
  • Selfie camera video
    480p@30fps
    -
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Earpiece
    Yes
    Yes
  • Multimedia
  • Radio
    FM Radio
    FM Radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
  • WLAN WiFi Hotspot
    -
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    microUSB 2.0
  • USB On-The-Go
    -
    Yes
  • Bluetooth
    v4.0
    v5.0
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    -
    Yes
  • NFC
    -
    No
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • BDS
    -
    Yes
  • Features
  • Sensors
    Accelerometer
    Accelerometer, compass, fingerprint, gyroscope, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    4000 mAh
    4230 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Tests and performance
  • Antutu
    -
    86352 (v8)
  • Geekbench(single-core)
    -
    176 (v5.2)
  • Geekbench(multi-core)
    -
    1004 (v5.2)
  • SAR value
  • SAR(head)
    -
    1.32 W/kg
  • SAR(body)
    -
    0.92 W/kg
  • Cost
  • Price
    -
    120 USD

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