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  2. BLU J2 vs Vodafone Smart 4

BLU J2 vs Vodafone Smart 4

Compare recorded specifications, size and practical differences.

BLU J2

BLU J2

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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.

      • WeightJ2: 6 g lighterJ2: 146 g · Smart 4: 152 g
      • WidthSmart 4: 7.1 mm narrowerSmart 4: 66 mm · J2: 73.1 mm
      • Screen diagonalSmart 4: 0.5 in smaller diagonalSmart 4: 4.5 in · J2: 5 in
      • HeightSmart 4: 9.3 mm shorterSmart 4: 134.7 mm · J2: 144 mm
      • Release year2019 / 2014J2: 2019 · Smart 4: 2014

      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
      J2: 144 × 73.1 mm 1 Smart 4: 134.7 × 66 mm 2
      Side
      J2: 144 × 10.3 mm 1 Smart 4: 134.7 × 10.6 mm 2
      1. 1. J2
        Height
        144 mm
        Width
        73.1 mm
        Depth
        10.3 mm
        Weight
        146 g
      2. 2. Smart 4
        Height
        134.7 mm
        Width
        66 mm
        Depth
        10.6 mm
        Weight
        152 g

      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
      SpecificationJ2Smart 4
      Dimensions (HxWxD)
      • 144 Х 73.1 Х 10.3 mm
      • 134.7 Х 66 Х 10.6 mm
      Weight
      • 146 g
      • 152 g
      Technology
      • IPS LCD
      • TFT
      Screen size
      • 5" inch
      • 4.5" inch
      Screen resolution
      • 480 x 854 px
      • 480 x 854 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 32GB 1GB RAM
      • 4 GB
      • 512 MB RAM
      Memory card support
      • microSDXC
      • microSD
      • up to 32 GB (dedicated slot)
      BatteryCapacity is not battery life. No endurance test is implied.
      • 2000 mAh
      • Li-Po
      • 1880 mAh
      • Removable Li-Ion
      Operating system OS
      • Android 8.1 Oreo (Go edition)
      • Android 4.4.2 (KitKat)
      Chipset Unknown
      • Qualcomm MSM8210 Snapdragon 200 (28 nm)
      NFC Unknown
      • Yes (optional)
      Headphone jack
      • Yes
      • Yes
      Display
      Display
      SpecificationJ2Smart 4
      Touchscreen
      • capacitive touchscreen
      • capacitive touchscreen
      Display colors
      • 16M
      		 Unknown
      Screen area
      • 68.9 cm2
      • 55.8 cm2
      Screen format
      • 16:9 (height:width)
      • 16:9 (height:width)
      Screen to body ratio
      • 65.4%
      • 62.8%
      PPI /points per inch/
      • 196 PPI
      • 218 PPI
      Camera and Video
      Camera and Video
      SpecificationJ2Smart 4
      Rear camera, main
      • 5 MP
      • Single
      • 5 MP
      • Single
      Camera specs
      • 5 MP
      • 5 MP
      Functions
      • LED flash
      • LED flash
      Video
      • 720p@30fps
      • Yes
      Front camera, selfie
      • 5 MP
      • Single
      • 0.3 MP
      • Single
      Specifications
      • 5 MP
      		 Unknown
      Performance
      Performance
      SpecificationJ2Smart 4
      Processor CPU
      • Quad-core 1.3 GHz Cortex-A7
      • Dual-core 1.2 GHz Cortex-A7
      Graphics processor GPU
      • Mali-400
      • Adreno 302
      Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
      • 8302
      General specs
      General specs
      SpecificationJ2Smart 4
      Release date
      • 2019
      • December
      • 2014
      • May
      Colors
      • Blue
      • Black
      • Brown
      • Black
      • White
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 50 EUR
      • 90 EUR
      Communication and Connectivity
      Communication and Connectivity
      SpecificationJ2Smart 4
      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 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/n
      • hotspot
      GPS
      • Yes
      • with A-GPS
      • Yes
      • with A-GPS
      USB
      • microUSB 2.0
      • microUSB 2.0
      Bluetooth
      • 4.1
      • A2DP
      • LE
      • 4.0
      • A2DP
      Harmful irradiation Unknown
      • SAR - 1.22 W/kg (head) 0.82 W/kg (body)
      Music and Audio
      Music and Audio
      SpecificationJ2Smart 4
      Radio
      • FM radio
      • FM radio
      Others Unknown
      • Active noise cancellation with dedicated mic
      Other features
      Other features
      SpecificationJ2Smart 4
      Dop
      • Sensors Accelerometer For USA
      • Sensors Accelerometer
      • proximity

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