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BLU J4
Compare BLU J4 and Oppo Watch Stainless steel

BLU J4 vs Oppo Watch Stainless steel

BLU J4
BLU J4
Oppo Watch Stainless steel
Oppo Watch Stainless steel
BLU J4
Oppo Watch Stainless steel
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    N/A
  • 3G network
    HSDPA 850, 900, 1900, 2100
    HSDPA 850, 900, 2100
  • 4G network
    -
    LTE frequency band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 39(1900), 40(2300), 41(2500)
  • HSDPA speed
    21.1 Mbps
    -
  • HSUPA speed
    5.76 Mbps
    -
  • GPRS
    Yes
    -
  • EDGE
    Yes
    -
  • Availability
  • Oficially announced
    2019-10
    2020-03
  • Status
    2019-10
    2020-03
  • Design
  • Build
    Plastic
    Glass front, stainless steel frame, ceramic/sapphire crystal back
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    eSIM
  • Height
    151 mm
    46 mm
  • Width
    72.3 mm
    39 mm
  • Thickness
    10 mm
    11.4 mm
  • Weight
    158 g
    45.5 g
  • Waterproof
    -
    5ATM
  • ECG
    -
    ECG certified
  • Colors
    Black, Blue, Brown
    Silver
  • Display
  • Display type
    IPS LCD capacitive touchscreen
    AMOLED flexible capacitive touchscreen
  • Physical size
    5.5 inches
    1.91 inches
  • Resolution
    720 x 1440 pixels
    402 x 476 pixels
  • Pixel density
    293 ppi
    326 ppi
  • Display colors
    16777216
    16777216
  • Multitouch
    Yes
    -
  • Hardware
  • CPU
    Quad-core 1.3 GHz Cortex-A7
    Quad-core 1.2 GHz Cortex-A7
  • Chipset
    -
    Qualcomm MSM8909W Snapdragon Wear 2500
  • GPU
    Mali-400
    Adreno 304
  • Memory RAM
    1 GB
    1 GB
  • Internal storage
    32 GB
    8 GB
  • Memory card
    microSD, microSDHC, microSDXC
    No
  • Memory card max
    64 GB
    -
  • Storage
    eMMC 5.1
    eMMC 4.5
  • OS
  • OS
    Android 8.1 Oreo Go Edition
    ColorOS Watch OS
  • Main camera
  • Camera type
    Single
    -
  • Main camera
    8 MP
  • Primary camera
    -
    No
  • Primary camera video
    720p@30fps
    -
  • Primary camera flash
    LED flash
    -
  • Selfie camera
  • Selfie camera
    8 MP
  • Selfie camera video
    720p@30fps
    -
  • Sound
  • 3.5mm jack
    Yes
    No
  • Loudspeaker
    Yes
    Yes
  • Earpiece
    Yes
    -
  • Multimedia
  • Radio
    FM Radio
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11b, 802.11g, 802.11n
  • WLAN WiFi Hotspot
    Yes
    -
  • WLAN WiFi Direct
    Yes
    -
  • USB
    microUSB 2.0
    No
  • Bluetooth
    v4.1
    v4.2
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • NFC
    -
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • BDS
    -
    Yes
  • Features
  • Sensors
    Accelerometer
    Accelerometer, barometer, gyro, heart rate
  • Browser
  • HTML
    HTML5
    -
  • Battery
  • Battery type
    Li-Po
    Li-Ion
  • Battery capacity
    2200 mAh
    430 mAh
  • Battery removable
    Removable
    Non-removable
  • Wireless charging
    -
    Yes
  • Cost
  • Price
    75 USD
    450 USD

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