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  2. BLU J2 vs Vodafone Smart first 7

BLU J2 vs Vodafone Smart first 7

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.

      • WeightSmart first 7: 36 g lighterSmart first 7: 110 g · J2: 146 g
      • WidthSmart first 7: 10.3 mm narrowerSmart first 7: 62.8 mm · J2: 73.1 mm
      • Screen diagonalSmart first 7: 1.5 in smaller diagonalSmart first 7: 3.5 in · J2: 5 in
      • DepthJ2: 1.7 mm thinnerJ2: 10.3 mm · Smart first 7: 12 mm
      • HeightSmart first 7: 29.6 mm shorterSmart first 7: 114.4 mm · J2: 144 mm
      • Release year2019 / 2016J2: 2019 · Smart first 7: 2016

      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 first 7: 114.4 × 62.8 mm 2
      Side
      J2: 144 × 10.3 mm 1 Smart first 7: 114.4 × 12 mm 2
      1. 1. J2
        Height
        144 mm+29.6 mm versus Smart first 7
        Width
        73.1 mm+10.3 mm versus Smart first 7
        Depth
        10.3 mm
        Weight
        146 g
      2. 2. Smart first 7
        Height
        114.4 mm
        Width
        62.8 mm
        Depth
        12 mm+1.7 mm versus J2
        Weight
        110 g
      Weight

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

      1. 1. J2146 g

        +36 g versus Smart first 7

      2. 2. Smart first 7110 g

      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
      J2: 5 in, 16:9, About 68.9 cm² rectangular area 1 Smart first 7: 3.5 in, 3:2, About 36.5 cm² rectangular area 2
      1. 1. J2 5 in · 16:9 About 68.9 cm² rectangular area
      2. 2. Smart first 7 3.5 in · 3:2 About 36.5 cm² rectangular area

      J2 has approximately 88.9% more rectangular screen area than Smart first 7.

      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
      StorageJ2Smart first 7
      32 GB 1 GB RAM Unknown
      Smart first 7: Original memory entry

      4 GB · 512 MB 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. J2

      NFC
      Unknown
      Headphone jack
      Yes
      Memory card support
      See details microSDXC

      2. Smart first 7

      NFC
      Unknown
      Headphone jack
      Yes
      Memory card support
      See details microSD · up to 64 GB (dedicated slot)

      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. J22000 mAh

        +600 mAh versus Smart first 7

      2. 2. Smart first 71400 mAh

      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. J22. Smart first 7

      Everyday essentials
      Everyday essentials
      SpecificationJ2Smart first 7
      Dimensions (HxWxD)
      • 144 Х 73.1 Х 10.3 mm
      • 114.4 Х 62.8 Х 12 mm
      Weight
      • 146 g
      • 110 g
      Technology
      • IPS LCD
      • TFT TN
      Screen size
      • 5" inch
      • 3.5" inch
      Screen resolution
      • 480 x 854 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
      • 4 GB
      • 512 MB RAM
      Memory card support
      • microSDXC
      • microSD
      • up to 64 GB (dedicated slot)
      BatteryCapacity is not battery life. No endurance test is implied.
      • 2000 mAh
      • Li-Po
      • 1400 mAh
      • Removable Li-Ion
      Operating system OS
      • Android 8.1 Oreo (Go edition)
      • Android 5.1 (Lollipop)
      Chipset Unknown
      • Spreadtrum SC7731G
      Headphone jack
      • Yes
      • Yes
      Display
      Display
      SpecificationJ2Smart first 7
      Touchscreen
      • capacitive touchscreen
      • capacitive touchscreen
      Display colors
      • 16M
      		 Unknown
      Screen area
      • 68.9 cm2
      • 36.5 cm2
      Screen format
      • 16:9 (height:width)
      • 3:2 (height:width)
      Screen to body ratio
      • 65.4%
      • 50.8%
      PPI /points per inch/
      • 196 PPI
      • 165 PPI
      Camera and Video
      Camera and Video
      SpecificationJ2Smart first 7
      Rear camera, main
      • 5 MP
      • Single
      • 2 MP
      • Single
      Camera specs
      • 5 MP
      • 2 MP
      Functions
      • LED flash
      		 Unknown
      Video
      • 720p@30fps
      • 720p@30fps
      Front camera, selfie
      • 5 MP
      • Single
      • 0 MP,
      Specifications
      • 5 MP
      		 Unknown
      Performance
      Performance
      SpecificationJ2Smart first 7
      Processor CPU
      • Quad-core 1.3 GHz Cortex-A7
      • Quad-core 1.3 GHz Cortex-A7
      Graphics processor GPU
      • Mali-400
      • Mali-400MP2
      General specs
      General specs
      SpecificationJ2Smart first 7
      Release date
      • 2019
      • December
      • 2016
      • May
      Colors
      • Blue
      • Black
      • Brown
      • Volcano Black
      • Tech White
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 50 EUR
      • 30 EUR
      Battery life Unknown
      • Talking time- Up to 5 h (3G)
      Communication and Connectivity
      Communication and Connectivity
      SpecificationJ2Smart first 7
      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 900 / 1800
      Speed
      • HSPA 21.1/5.76 Mbps
      • HSPA 21.1/5.76 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
      • hotspot
      GPS
      • Yes
      • with A-GPS
      • A-GPS only
      USB
      • microUSB 2.0
      • microUSB 2.0
      Bluetooth
      • 4.1
      • A2DP
      • LE
      • 2.1
      • A2DP
      Music and Audio
      Music and Audio
      SpecificationJ2Smart first 7
      Radio
      • FM radio
      • FM radio
      Other features
      Other features
      SpecificationJ2Smart first 7
      Dop
      • Sensors Accelerometer For USA
      • Sensors No

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