Blackview BV4900S vs Oppo A31

Blackview BV4900S
Blackview BV4900S
Oppo A31
Oppo A31
Blackview BV4900S
Oppo A31
  • 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, 7, 8, 20, 40
    LTE frequency band 1(2100), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
  • HSDPA speed
    42.2 Mbps
    42 Mbps
  • HSUPA speed
    5.76 Mbps
    5.76 Mbps
  • LTE speed
    LTE, Cat4, 150 Mbps download, 51 Mbps upload
    LTE-A
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2021-09
    2020-02
  • Status
    2021-09
    2020-02
  • Design
  • Build
    Polycarbonate, rubber, silicone
    Plastic
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    157.5 mm
    163.9 mm
  • Width
    78.1 mm
    75.5 mm
  • Thickness
    13.7 mm
    8.3 mm
  • Weight
    261 g
    180 g
  • Waterproof
    IP68
    -
  • Dust proof
    IP68
    -
  • MIL-STD-810G
    Yes
    -
  • Colors
    Black, Green, Orange, Yellow
    Black, White
  • Display
  • Display type
    IPS TFT
    IPS capacitive touchscreen
  • Physical size
    5.7 inches
    6.5 inches
  • Resolution
    720 x 1440 pixels
    720 x 1600 pixels
  • Pixel density
    282 ppi
    270 ppi
  • Display colors
    16777216
    16777216
  • Protection
    Scratch resistant, Asahi Dragontrail glass
    Scratch resistant
  • Multitouch
    -
    Yes
  • Hardware
  • CPU
    Octa-core
    Octa-core
  • CPU
    Quad-core 1.6 GHz Cortex-A55
    Quad-core 2.3 GHz Cortex-A53
  • CPU(second)
    quad-core 1.2 GHz Cortex-A55
    quad-core 1.8 GHz Cortex-A53
  • Chipset
    Unisoc SC9863A
    Mediatek MT6765V/CB Helio P35
  • GPU
    PowerVR GE8322
    PowerVR GE8320
  • Memory RAM
    2 GB
    4 GB
  • Internal storage
    32 GB
    128 GB
  • Memory card
    microSD, microSDHC, microSDXC
    microSD, microSDHC, microSDXC
  • Memory card max
    128 GB
    256 GB
  • Storage
    eMMC
    eMMC 5.1
  • OS
  • OS
    Doke OS 2.0 (Android 11 Go Edition)
    ColorOS 6.1 (Android 9.0 Pie)
  • Main camera
  • Camera type
    Single
    Triple
  • Main camera
    8 MP, f/2.4
    12 MP, f/1.8
  • 2 MP, f/2.4 , 27 mm
  • 2 MP, f/2.4
  • Primary camera resolution
    3264 x 2448 pixels
    4096 x 3072 pixels
  • Primary camera video
    1080p@30fps
    1080p@30fps
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
    Autofocus, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro mode, phase detection autofocus
  • Selfie camera
  • Selfie camera type
    Single
    -
  • Selfie camera
    5 MP, f/2.2 , 1/4" , 1.4 µm
    8 MP, f/2.0
  • 1/5.0" , 1.75 µm
  • Selfie camera resolution
    2560 x 1920 pixels
    3264 x 2448 pixels
  • Selfie camera features
    Face unlock
    -
  • Selfie camera video
    720p@30fps
    1080p@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
    Yes
  • WLAN WiFi Direct
    -
    Yes
  • Wi-Fi display
    -
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    microUSB 2.0
  • USB On-The-Go
    Yes
    Yes
  • Bluetooth
    v4.2
    v5.0
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    -
    Yes
  • NFC
    Yes
    -
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    Yes
    -
  • GALILEO
    Yes
    -
  • BDS
    Yes
    Yes
  • Features
  • Sensors
    Accelerometer, compass, fingerprint, gyroscope, light, magnetometer, proximity
    Accelerometer, compass, fingerprint, light, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Ion
    Li-Po
  • Battery capacity
    5580 mAh
    4230 mAh
  • Battery removable
    Non-removable
    Non-removable
  • Tests and performance
  • Antutu
    72117 (v8)
    -
  • Geekbench(single-core)
    137 (v5.2)
    -
  • Geekbench(multi-core)
    627 (v5.2)
    -
  • Cost
  • Price
    100 USD
    200 USD

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