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

BLU J4 vs LG G Flex

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
    LG G Flex

    LG G Flex

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

      Remove G Flex
      + 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.

        • Display technologyOLED versus LCDJ4: LCD · G Flex: OLED
        • WeightJ4: 19 g lighterJ4: 158 g · G Flex: 177 g
        • WidthJ4: 9.3 mm narrowerJ4: 72.3 mm · G Flex: 81.6 mm
        • Screen diagonalJ4: 0.5 in smaller diagonalJ4: 5.5 in · G Flex: 6 in
        • Memory variantsAt 32 GB storageJ4: 1 GB RAM · G Flex: 2 GB RAM
        • DepthG Flex: 1.3 mm thinnerG Flex: 8.7 mm · J4: 10 mm

        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 G Flex: 160.5 × 81.6 mm 2
        Side
        J4: 151 × 10 mm 1 G Flex: 160.5 × 8.7 mm 2
        1. 1. J4
          Height
          151 mm
          Width
          72.3 mm
          Depth
          10 mm+1.3 mm versus G Flex
          Weight
          158 g
        2. 2. G Flex
          Height
          160.5 mm+9.5 mm versus J4
          Width
          81.6 mm+9.3 mm versus J4
          Depth
          8.7 mm
          Weight
          177 g
        Weight

        Bars start at zero and share a scale within this chart.

        1. 1. J4158 g
        2. 2. G Flex177 g

          +19 g versus J4

        Screen size

        Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

        Screen size
        J4: 5.5 in, 18:9, About 78.1 cm² rectangular area 1 G Flex: 6 in, 16:9, About 99.2 cm² rectangular area 2
        1. 1. J4 5.5 in · 18:9 About 78.1 cm² rectangular area
        2. 2. G Flex 6 in · 16:9 About 99.2 cm² rectangular area

        G Flex has approximately 27.1% more rectangular screen area than J4.

        Memory variants

        Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

        Recorded RAM by storage capacity and phone
        StorageJ4G Flex
        32 GBRecorded for all phones 1 GB RAM 2 GB RAM

        Practical features

        Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

        1. J4

        NFC
        Unknown
        Headphone jack
        Yes
        Memory card support
        See details microSDXC

        2. G Flex

        NFC
        Yes
        Headphone jack
        Yes
        Memory card support
        No

        Battery capacity

        Capacity is not battery life. No endurance test is implied.

        Recorded capacity

        Bars start at zero and share a scale within this chart.

        1. 1. J42200 mAh
        2. 2. G Flex3500 mAh

          +1300 mAh versus J4

        Specifications

        Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

        1. J42. G Flex

        Everyday essentials
        Everyday essentials
        SpecificationJ4G Flex
        Dimensions (HxWxD)
        • 151 Х 72.3 Х 10 mm
        • 160.5 Х 81.6 Х 8.7 mm
        Weight
        • 158 g
        • 177 g
        Technology
        • IPS LCD
        • Curved P-OLED
        Screen size
        • 5.5" inch
        • 6" inch
        Screen resolution
        • 720 x 1440 px
        • 720 x 1280 px
        Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
        • 32GB 1GB RAM
        • 32 GB
        • 2 GB RAM
        Memory card support
        • microSDXC
        • No
        BatteryCapacity is not battery life. No endurance test is implied.
        • 2200 mAh
        • Removable Li-Po
        • 3500 mAh
        • Non-removable Li-Po
        Operating system OS
        • Android 8.1 Oreo (Go edition)
        • Android 4.2.2 (Jelly Bean)
        • upgradable to 4.4.2 (KitKat)
        Chipset Unknown
        • Qualcomm MSM8974 Snapdragon 800 (28 nm)
        NFC Unknown
        • Yes
        Headphone jack
        • Yes
        • Yes
        Display
        Display
        SpecificationJ4G Flex
        Touchscreen
        • capacitive touchscreen
        • capacitive touchscreen
        Display colors
        • 16M
        • 16M
        Screen area
        • 78.1 cm2
        • 99.2 cm2
        Screen format
        • 18:9 (height:width)
        • 16:9 (height:width)
        Screen to body ratio
        • 71.5%
        • 75.8%
        PPI /points per inch/
        • 293 PPI
        • 245 PPI
        Screen protection Unknown
        • Corning Gorilla Glass 2
        Camera and Video
        Camera and Video
        SpecificationJ4G Flex
        Rear camera, main
        • 8 MP
        • Single
        • 13 MP
        • Single
        Camera specs
        • 8 MP
        • AF
        • 13 MP
        • AF
        • f/2.4
        Functions
        • LED flash
        • LED flash
        • panorama
        • HDR
        Video
        • 720p@30fps
        • 1080p@30fps
        Front camera, selfie
        • 8 MP
        • Single
        • 2.1 MP
        • Single
        Specifications
        • 8 MP
        • 2.1 MP
        Performance
        Performance
        SpecificationJ4G Flex
        Processor CPU
        • Quad-core 1.3 GHz Cortex-A7
        • Quad-core 2.26 GHz Krait 400
        Graphics processor GPU
        • Mali-400
        • Adreno 330
        Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
        • 36798
        General specs
        General specs
        SpecificationJ4G Flex
        Release date
        • 2019
        • October
        • 2013
        • October
        Colors
        • Blue
        • Black
        • Brown
        • Titan Silver
        Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
        • 70 EUR
        • 360 EUR
        Battery life Unknown
        • Stand by time- Up to 720 h Talking time- Up to 15 h
        Body build Unknown
        • Curved body and display
        Communication and Connectivity
        Communication and Connectivity
        SpecificationJ4G Flex
        SIM card
        • Dual SIM (Nano-SIM
        • dual stand-by)
        • Micro-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 - all versions -3G - HSDPA 850 / 1900 / 2100 - D950 HSDPA 900 / 2100 - D958 HSDPA 850 / 1700 / 1900 / 2100 - D959 HSDPA 850 / 900 / 1900 / 2100 - D955 -4G - LTE band 3(1800)
        • 7(2600)
        • 20(800) - D958 LTE band 1(2100)
        • 2(1900)
        • 3(1800)
        • 4(1700/2100)
        • 5(850)
        • 17(700) - D950 LTE band 1(2100)
        • 8(900)
        • 20(800) - D955
        Speed
        • HSPA 21.1/5.76 Mbps
        • HSPA 42.2/5.76 Mbps
        • LTE Cat4 150/50 Mbps
        GPRS
        • Yes
        • Class 12
        Edge
        • Yes
        • Class 12
        Wi-Fi
        • Wi-Fi 802.11 b/g/n
        • Wi-Fi Direct
        • hotspot
        • Wi-Fi 802.11 a/b/g/n/ac
        • dual-band
        • Wi-Fi Direct
        • DLNA
        • hotspot
        GPS
        • Yes
        • with A-GPS
        • Yes
        • with A-GPS
        • GLONASS
        USB
        • microUSB 2.0
        • microUSB 3.0
        • USB Host
        Bluetooth
        • 4.1
        • A2DP
        • LE
        • 4.0
        • A2DP
        • LE
        • aptX
        Harmful irradiation Unknown
        • SAR EU - 0.38 W/kg (head) 0.41 W/kg (body)
        Music and Audio
        Music and Audio
        SpecificationJ4G Flex
        Radio
        • FM radio
        • Stereo FM radio
        • RDS
        Others Unknown
        • Dolby Mobile -Active noise cancellation with dedicated mic
        Other features
        Other features
        SpecificationJ4G Flex
        Dop
        • Sensors Accelerometer For USA
        • Sensors Accelerometer
        • gyro
        • proximity
        • compass
        • Infrared port - DMB TV tuner (Korean model only) - Self-healing back panel coating - Versions: D955 (Europe); D958 (Hong Kong & Asia); D959 (T-Mobile); D950 (AT&T); LS995 (Sprint); F340 (Korea)

        Similar comparisons