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  2. BLU J2 vs TECNO Spark CM

BLU J2 vs TECNO Spark CM

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: 26 g lighterJ2: 146 g · Spark CM: 172 g
      • WidthSpark CM: 1.4 mm narrowerSpark CM: 71.7 mm · J2: 73.1 mm
      • Screen diagonalJ2: 0.7 in smaller diagonalJ2: 5 in · Spark CM: 5.7 in
      • DepthSpark CM: 4.7 mm thinnerSpark CM: 5.6 mm · J2: 10.3 mm
      • HeightJ2: 8.2 mm shorterJ2: 144 mm · Spark CM: 152.2 mm
      • Release year2019 / 2017J2: 2019 · Spark CM: 2017

      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 Spark CM: 152.2 × 71.7 mm 2
      Side
      J2: 144 × 10.3 mm 1 Spark CM: 152.2 × 5.6 mm 2
      1. 1. J2
        Height
        144 mm
        Width
        73.1 mm
        Depth
        10.3 mm
        Weight
        146 g
      2. 2. Spark CM
        Height
        152.2 mm
        Width
        71.7 mm
        Depth
        5.6 mm
        Weight
        172 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
      SpecificationJ2Spark CM
      Dimensions (HxWxD)
      • 144 Х 73.1 Х 10.3 mm
      • 152.2 Х 71.7 Х 5.6 mm
      Weight
      • 146 g
      • 172 g
      Technology
      • IPS LCD
      • IPS LCD
      Screen size
      • 5" inch
      • 5.7" inch
      Screen resolution
      • 480 x 854 px
      • 720 x 1440 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 32GB 1GB RAM
      • 16 GB
      • 2 GB RAM
      Memory card support
      • microSDXC
      • microSD
      • up to 32 GB
      BatteryCapacity is not battery life. No endurance test is implied.
      • 2000 mAh
      • Li-Po
      • 3050 mAh
      • Non-removable Li-Ion
      Operating system OS
      • Android 8.1 Oreo (Go edition)
      • Android 7.0 (Nougat)
      Chipset Unknown
      • Mediatek MT6737
      Headphone jack
      • Yes
      • Yes
      Display
      Display
      SpecificationJ2Spark CM
      Touchscreen
      • capacitive touchscreen
      • capacitive touchscreen
      Display colors
      • 16M
      • 16M
      Screen area
      • 68.9 cm2
      • 83.8 cm2
      Screen format
      • 16:9 (height:width)
      • 18:9 (height:width)
      Screen to body ratio
      • 65.4%
      • 76.8%
      PPI /points per inch/
      • 196 PPI
      • 282 PPI
      Screen protection Unknown
      • Corning Gorilla Glass (unspecified version)
      Camera and Video
      Camera and Video
      SpecificationJ2Spark CM
      Rear camera, main
      • 5 MP
      • Single
      • 13 MP
      • Single
      Camera specs
      • 5 MP
      • 13 MP
      • f/2.0
      • AF
      Functions
      • LED flash
      • LED flash
      Video
      • 720p@30fps
      • 1080p@30fps
      Front camera, selfie
      • 5 MP
      • Single
      • 8 MP
      • Single
      Specifications
      • 5 MP
      • 8 MP
      Performance
      Performance
      SpecificationJ2Spark CM
      Processor CPU
      • Quad-core 1.3 GHz Cortex-A7
      • Quad-core 1.3 GHz Cortex-A53
      Graphics processor GPU
      • Mali-400
      • Mali-T720MP2
      General specs
      General specs
      SpecificationJ2Spark CM
      Release date
      • 2019
      • December
      • 2017
      • December
      Colors
      • Blue
      • Black
      • Brown
      • Midnight Black
      • Champagne Gold
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 50 EUR
      		 Unknown
      Communication and Connectivity
      Communication and Connectivity
      SpecificationJ2Spark CM
      SIM card
      • Dual SIM (Nano-SIM
      • dual stand-by)
      • Dual SIM (Micro-SIM
      • dual stand-by)
      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 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
      • 3(1800)
      • 8(900)
      • 40(2300)
      • 41(2500)
      Speed
      • HSPA 21.1/5.76 Mbps
      • HSPA
      • LTE-A
      GPRS
      • Yes
      • Yes
      Edge
      • Yes
      • Yes
      Wi-Fi
      • Wi-Fi 802.11 b/g/n
      • Wi-Fi Direct
      • hotspot
      • Wi-Fi 802.11 a/b/g/n/ac
      • dual-band
      • WiFi Direct
      • hotspot
      GPS
      • Yes
      • with A-GPS
      • Yes
      • with A-GPS
      USB
      • microUSB 2.0
      • microUSB 2.0
      Bluetooth
      • 4.1
      • A2DP
      • LE
      • 4.2
      • A2DP
      • LE
      Music and Audio
      Music and Audio
      SpecificationJ2Spark CM
      Radio
      • FM radio
      • FM radio
      Other features
      Other features
      SpecificationJ2Spark CM
      Dop
      • Sensors Accelerometer For USA
      • Sensors Fingerprint (rear-mounted)
      • accelerometer
      • proximity

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