You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<
  1. Home
  2. BLU J4 vs ZTE Open

BLU J4 vs ZTE Open

Compare recorded specifications, size and practical differences.

BLU J4

BLU J4

Replace J4
Enter at least 3 characters. Tab to a result and press Enter to select.

    Remove J4
    ZTE Open

    ZTE Open

    Replace Open
    Enter at least 3 characters. Tab to a result and press Enter to select.

      Remove Open
      + Add a third phone
      Enter at least 3 characters. Tab to a result and press Enter to select.

        Key differences

        Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

        • WidthOpen: 10.3 mm narrowerOpen: 62 mm · J4: 72.3 mm
        • Screen diagonalOpen: 2 in smaller diagonalOpen: 3.5 in · J4: 5.5 in
        • DepthJ4: 2.5 mm thinnerJ4: 10 mm · Open: 12.5 mm
        • HeightOpen: 37 mm shorterOpen: 114 mm · J4: 151 mm
        • Release year2019 / 2013J4: 2019 · Open: 2013

        Physical size

        Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

        Front
        J4: 151 × 72.3 mm 1 Open: 114 × 62 mm 2
        Side
        J4: 151 × 10 mm 1 Open: 114 × 12.5 mm 2
        1. 1. J4
          Height
          151 mm
          Width
          72.3 mm
          Depth
          10 mm
          Weight
          158 g
        2. 2. Open
          Height
          114 mm
          Width
          62 mm
          Depth
          12.5 mm
          Weight
          Unknown

        Specifications

        Open a section for more detail. Scroll inside a table to keep phone names visible; on narrow screens, swipe sideways or use the arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

        Everyday essentials
        Everyday essentials
        SpecificationJ4Open
        Dimensions (HxWxD)
        • 151 Х 72.3 Х 10 mm
        • 114 Х 62 Х 12.5 mm
        Weight
        • 158 g
        • 0 g
        Technology
        • IPS LCD
        • TFT
        Screen size
        • 5.5" inch
        • 3.5" inch
        Screen resolution
        • 720 x 1440 px
        • 320 x 480 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 32GB 1GB RAM
        • 512 MB ROM
        • 256 MB RAM
        Memory card support
        • microSDXC
        • microSD
        • up to 32 GB (dedicated slot)
        • 2 GB included
        BatteryCapacity is not battery life. No endurance test is implied.
        • 2200 mAh
        • Removable Li-Po
        • 1200 mAh
        • Removable Li-Ion
        Operating system OS
        • Android 8.1 Oreo (Go edition)
        • Firefox OS 1.0
        Chipset Unknown
        • Qualcomm MSM7225A Snapdragon S1
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationJ4Open
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        		 Unknown
        Screen area
        • 78.1 cm2
        • 36.5 cm2
        Screen format
        • 18:9 (height:width)
        • 3:2 (height:width)
        Screen to body ratio
        • 71.5%
        • 51.6%
        PPI /points per inch/
        • 293 PPI
        • 165 PPI
        Camera and Video
        Camera and Video
        SpecificationJ4Open
        Rear camera, main
        • 8 MP
        • Single
        • 3.15 MP
        • Single
        Camera specs
        • 8 MP
        • AF
        • 3.15 MP
        Functions
        • LED flash
        		 Unknown
        Video
        • 720p@30fps
        • Yes
        Front camera, selfie
        • 8 MP
        • Single
        • 0 MP,
        Specifications
        • 8 MP
        		 Unknown
        Performance
        Performance
        SpecificationJ4Open
        Processor CPU
        • Quad-core 1.3 GHz Cortex-A7
        • 1.0 GHz Cortex-A5
        Graphics processor GPU
        • Mali-400
        • Adreno 200
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 1456
        General specs
        General specs
        SpecificationJ4Open
        Release date
        • 2019
        • October
        • 2013
        • February
        Colors
        • Blue
        • Black
        • Brown
        • Blue
        • Orange
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 70 EUR
        		 Unknown
        Communication and Connectivity
        Communication and Connectivity
        SpecificationJ4Open
        SIM card
        • Dual SIM (Nano-SIM
        • dual stand-by)
        • Mini-SIM
        Network
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
        • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
        Speed
        • HSPA 21.1/5.76 Mbps
        • HSPA 7.2/5.76 Mbps
        GPRS
        • Yes
        • Yes
        Edge
        • Yes
        • Yes
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi Direct
        • hotspot
        • Wi-Fi 802.11 b/g/n
        GPS
        • Yes
        • with A-GPS
        • Yes
        • with A-GPS
        USB
        • microUSB 2.0
        • microUSB 2.0
        Bluetooth
        • 4.1
        • A2DP
        • LE
        • 2.1
        • A2DP
        • EDR
        Music and Audio
        Music and Audio
        SpecificationJ4Open
        Radio
        • FM radio
        • Stereo FM radio
        Other features
        Other features
        SpecificationJ4Open
        Dop
        • Sensors Accelerometer For USA
        • Sensors Accelerometer
        • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input