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BLU
BLU J4
Compare BLU J4 and Ulefone Armor X

BLU J4 vs Ulefone Armor X

BLU J4
BLU J4
Ulefone Armor X
Ulefone Armor X
BLU J4
Ulefone Armor X
  • Network
  • 2G network
    GSM 850, 900, 1800, 1900
    GSM 850, 900, 1800, 1900
  • 3G network
    HSDPA 850, 900, 1900, 2100
    HSDPA 850, 900, 1700, 1900, 2100
  • 4G network
    -
    LTE frequency band 1(2100), 3(1800), 7(2600), 8(900), 18(800)
  • HSDPA speed
    21.1 Mbps
    -
  • HSUPA speed
    5.76 Mbps
    -
  • LTE speed
    -
    LTE, Cat4 150 Mbps download, 51 Mbps upload
  • GPRS
    Yes
    Yes
  • EDGE
    Yes
    Yes
  • Availability
  • Oficially announced
    2019-10
    2018-2
  • Status
    2019-10
    2018-2
  • Design
  • Build
    Plastic
    Metal, plastic
  • SIM
    Dual SIM (Nano-SIM, dual stand-by)
    Dual SIM (Nano-SIM, dual stand-by)
  • Height
    151 mm
    159 mm
  • Width
    72.3 mm
    78.3 mm
  • Thickness
    10 mm
    14.5 mm
  • Weight
    158 g
    270 g
  • Waterproof
    -
    Yes, IP68
  • Dust proof
    -
    Yes, IP68
  • Colors
    Black, Blue, Brown
    Black, Rose-gold
  • Display
  • Display type
    IPS LCD capacitive touchscreen
    IPS capacitive touchscreen
  • Physical size
    5.5 inches
    5.45 inches
  • Resolution
    720 x 1440 pixels
    720 x 1440 pixels
  • Pixel density
    293 ppi
    295 ppi
  • Display colors
    16777216
    16777216
  • Protection
    -
    Scratch resistant, Corning Gorilla Glass 3, Oleophobic(lipophobic) coating
  • Multitouch
    Yes
    Yes
  • Hardware
  • CPU
    Quad-core 1.3 GHz Cortex-A7
    Quad-core 1.3 GHz Cortex-A53
  • Chipset
    -
    Mediatek MT6739
  • GPU
    Mali-400
    PowerVR GE8100
  • Memory RAM
    1 GB
    2 GB
  • Internal storage
    32 GB
    16 GB
  • Memory card
    microSD, microSDHC, microSDXC
    microSD, microSDHC, microSDXC
  • Memory card max
    64 GB
    128 GB
  • Storage
    eMMC 5.1
    -
  • OS
  • OS
    Android 8.1 Oreo Go Edition
    Android OS, v7.0 Nougat
  • Main camera
  • Camera type
    Single
    Dual
  • Main camera
    8 MP
    13 MP, f/2.0
  • 5 MP
  • Primary camera resolution
    -
    4160 x 3120 pixels
  • Primary camera video
    720p@30fps
    720p@30fps
  • Primary camera flash
    LED flash
    dual-LED flash
  • Camera features
    -
    Autofocus, continuous shooting, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode
  • Selfie camera
  • Selfie camera
    8 MP
    5 MP, f/2.0
  • Selfie camera interpolated resolution
    -
    8 MP
  • Selfie camera resolution
    -
    2560 x 1920 pixels
  • Selfie camera video
    720p@30fps
    720p@30fps
  • Sound
  • 3.5mm jack
    Yes
    No
  • Loudspeaker
    Yes
    Yes
  • Earpiece
    Yes
    -
  • Multimedia
  • Radio
    FM Radio
    -
  • Radio FM
    -
    FM radio
  • Connectivity
  • WLAN
    Wi-Fi 802.11b, 802.11g, 802.11n
    Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5 GHz
  • WLAN WiFi Hotspot
    Yes
    Yes
  • WLAN WiFi Direct
    Yes
    -
  • WLAN WiFi Dual Band
    -
    Yes
  • USB
    microUSB 2.0
    microUSB 2.0
  • Bluetooth
    v4.1
    v4.1
  • Bluetooth A2DP
    Yes
    Yes
  • bluetooth LE
    Yes
    -
  • NFC
    -
    Yes
  • GPS
    Yes, with A-GPS
    Yes, with A-GPS
  • GLONASS
    -
    Yes
  • Features
  • Sensors
    Accelerometer
    Accelerometer, compass, fingerprint, light, proximity
  • Browser
  • HTML
    HTML5
    HTML5
  • Battery
  • Battery type
    Li-Po
    Li-Po
  • Battery capacity
    2200 mAh
    5000 mAh
  • Battery removable
    Removable
    Non-removable
  • Cost
  • Price
    75 USD
    -

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