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  2. BLU J4 vs ZTE Libra

BLU J4 vs ZTE Libra

Compare recorded specifications, size and practical differences.

BLU J4

BLU J4

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    ZTE Libra

    ZTE Libra

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        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.

        • Screen diagonalLibra: 2 in smaller diagonalLibra: 3.5 in · J4: 5.5 in
        • Release year2019 / 2011J4: 2019 · Libra: 2011

        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
        Side
        J4: 151 × 10 mm 1
        1. 1. J4
          Height
          151 mm
          Width
          72.3 mm
          Depth
          10 mm
          Weight
          158 g
        2. 2. Libra
          Height
          Unknown
          Width
          Unknown
          Depth
          Unknown
          Weight
          Unknown

          Unavailable dimensions are omitted from the drawing.

        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
        SpecificationJ4Libra
        Dimensions (HxWxD)
        • 151 Х 72.3 Х 10 mm
        • Х Х mm
        Weight
        • 158 g
        • 0 g
        Technology
        • IPS LCD
        • TFT
        Screen size
        • 5.5" inch
        • 3.5" inch
        Screen resolution
        • 720 x 1440 px
        • 480 x 800 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 32GB 1GB RAM
        		 Unknown
        Memory card support
        • microSDXC
        • microSD (dedicated slot)
        BatteryCapacity is not battery life. No endurance test is implied.
        • 2200 mAh
        • Removable Li-Po
        • 0 mAh,
        Operating system OS
        • Android 8.1 Oreo (Go edition)
        • Android 2.1 (Eclair)
        • upgradable to 2.2 (Froyo)
        Chipset Unknown
        • Qualcomm MSM7227 Snapdragon S1
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationJ4Libra
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 256K
        Screen area
        • 78.1 cm2
        • 34.9 cm2
        Screen format
        • 18:9 (height:width)
        • 5:3 (height:width)
        Screen to body ratio
        • 71.5%
        		 Unknown
        PPI /points per inch/
        • 293 PPI
        • 267 PPI
        Camera and Video
        Camera and Video
        SpecificationJ4Libra
        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
        SpecificationJ4Libra
        Processor CPU
        • Quad-core 1.3 GHz Cortex-A7
        • 600 MHz ARM 11
        Graphics processor GPU
        • Mali-400
        • Adreno 200
        General specs
        General specs
        SpecificationJ4Libra
        Release date
        • 2019
        • October
        • 2011
        • February
        Colors
        • Blue
        • Black
        • Brown
        • Black
        • Silver
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 70 EUR
        • 190 EUR
        Communication and Connectivity
        Communication and Connectivity
        SpecificationJ4Libra
        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
        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
        • hotspot (Android 2.2)
        GPS
        • Yes
        • with A-GPS
        • Yes
        • with A-GPS
        USB
        • microUSB 2.0
        • microUSB 2.0
        Bluetooth
        • 4.1
        • A2DP
        • LE
        • 2.1
        • A2DP
        Music and Audio
        Music and Audio
        SpecificationJ4Libra
        Radio
        • FM radio
        • FM radio
        Other features
        Other features
        SpecificationJ4Libra
        Dop
        • Sensors Accelerometer For USA
        • Sensors Accelerometer
        • proximity
        • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input - Also known as ZTE X880