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BLU J4
Compare BLU J4 and Oppo R15 Dream Mirror Edition

BLU J4 vs Oppo R15 Dream Mirror Edition

BLU J4
BLU J4
Oppo R15 Dream Mirror Edition
Oppo R15 Dream Mirror Edition
BLU J4
Oppo R15 Dream Mirror Edition
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
  • 3G network
    HSDPA 850, 900, 1900, 2100
    HSDPA 850, 900, 1700(AWS), 1900, 2100
  • 4G network
    -
    LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)
  • HSDPA speed
    21.1 Mbps
    -
  • HSUPA speed
    5.76 Mbps
    -
  • HSPA speed
    -
    HSPA
  • LTE speed
    -
    LTE
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2019-10
    2018-3
  • Status
    2019-10
    2018
  • Design
  • Build
    Plastic
    Front glass, ceramic body
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Hybrid Dual SIM (Nano-SIM, dual stand-by)
  • Height
    151 mm
    155.3 mm
  • Width
    72.3 mm
    75 mm
  • Thickness
    10 mm
    7.5 mm
  • Weight
    158 g
    175 g
  • Colors
    Black, Blue, Brown
    Ceramic Black, Dream Mirror Red
  • Display
  • Display type
    IPS LCD capacitive touchscreen
    AMOLED capacitive touchscreen
  • Physical size
    5.5 inches
    6.28 inches
  • Resolution
    720 x 1440 pixels
    1080 x 2280 pixels
  • Pixel density
    293 ppi
    401 ppi
  • Display colors
    16777216
    16777216
  • Protection
    -
    Corning Gorilla Glass 5
  • Multitouch
    Yes
    Yes
  • Hardware
  • CPU
    -
    Octa-core
  • CPU
    Quad-core 1.3 GHz Cortex-A7
    Quad-core 2.2 GHz Kryo 260
  • CPU(second)
    quad-core 1.8 GHz Kryo 260
  • Chipset
    -
    Qualcomm SDM660 Snapdragon 660
  • GPU
    Mali-400
    Adreno 512
  • Memory RAM
    1 GB
    6 GB
  • Internal storage
    32 GB
    128 GB
  • Memory card
    microSD, microSDHC, microSDXC
    microSD(uses second SIM slot)
  • Memory card max
    64 GB
    256 GB
  • Storage
    eMMC 5.1
    -
  • OS
  • OS
    Android 8.1 Oreo Go Edition
    Android 8.1 (Oreo)
  • Main camera
  • Camera type
    Single
    Dual
  • Main camera
    8 MP
    16 MP, f/1.7 , 1/2.6" , 1.22 µm
  • 20 MP, f/1.7 , 1/2.8" , 1 µm
  • Primary camera resolution
    -
    4608 x 3456 pixels
  • Primary camera video
    720p@30fps
    2160p@30fps
  • Primary camera Autofocus
    -
    phase detection autofocus
  • Primary camera flash
    LED flash
    LED flash
  • Camera features
    -
    Geo-tagging, HDR, face detection, panorama, touch focus
  • Selfie camera
  • Selfie camera
    8 MP
    20 MP, f/2.0
  • Selfie camera resolution
    -
    5184 x 3880 pixels
  • Selfie camera video
    720p@30fps
    1080p
  • Sound
  • 3.5mm jack
    Yes
    Yes
  • Loudspeaker
    Yes
    Yes
  • Notifications
    -
    Vibration; MP3, WAV ringtones
  • Earpiece
    Yes
    -
  • Multimedia
  • Radio
    FM Radio
    No
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    Yes
    Yes
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    microUSB 2.0
  • USB On-The-Go
    -
    Yes
  • Bluetooth
    v4.1
    v5.0
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    Yes
  • Bluetooth EDR
    -
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • Features
  • Messaging SMS
    -
    SMS(threaded view)
  • Messaging MMS
    -
    MMS
  • Messaging Email
    -
    Email
  • Messaging Push Email
    -
    Push Email
  • Sensors
    Accelerometer
    Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    2200 mAh
    3400 mAh
  • Battery removable
    Removable
    Non-removable
  • Fast battery charging
    -
    VOOC Flash Charge
  • Cost
  • Price
    75 USD
    -

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