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TECNO Spark 3 Pro vs Xolo A42

Compare recorded specifications, size and practical differences.

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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.

    • Width

      A42: 12 mm narrower

      Spark 3 Pro:
      75.5 mm
      A42:
      63.5 mm

    • Screen diagonal

      A42: 2.2 in smaller diagonal

      Spark 3 Pro:
      6.2 in
      A42:
      4 in

    • Rear camera layout

      Spark 3 Pro:
      Dual
      A42:
      Single

    • Depth

      Spark 3 Pro: 2.3 mm thinner

      Spark 3 Pro:
      7.9 mm
      A42:
      10.2 mm

    • Height

      A42: 29.8 mm shorter

      Spark 3 Pro:
      154.3 mm
      A42:
      124.5 mm

    • Release year

      Spark 3 Pro:
      2019
      A42:
      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.

    1. 1. Spark 3 Pro

      Height:
      154.3 mm +29.8 mm versus A42
      Width:
      75.5 mm +12 mm versus A42
      Depth:
      7.9 mm
      Weight:
      Unknown

    2. 2. A42

      Height:
      124.5 mm
      Width:
      63.5 mm
      Depth:
      10.2 mm +2.3 mm versus Spark 3 Pro
      Weight:
      Unknown

    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.

    At least two phones need compatible screen dimensions for a drawing.

    1. 1. Spark 3 Pro

      Spark 3 Pro: Screen geometry unavailable or conflicting.

    2. 2. A42

      Screen diagonal:
      4 in
      Aspect ratio (height:width):
      5:3
      Approximate rectangular screen area:
      45.5 cm²

    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 for Spark 3 Pro, A42, compared at the same storage capacity.
    StorageSpark 3 ProA42
    32 GB 2 GB RAM Unknown
    A42: 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. Spark 3 Pro

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD

    2. A42

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 32 GB

    Battery capacity

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

    Recorded battery capacity

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

    1. 1. Spark 3 Pro

      3500 mAh

      +2100 mAh versus A42

    2. 2. A42

      1400 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. Spark 3 Pro2. A42

    Everyday essentials
    Everyday essentials — specifications for Spark 3 Pro, A42.
    SpecificationSpark 3 ProA42
    Dimensions (HxWxD)
    • 154.3 Х 75.5 Х 7.9 mm
    • 124.5 Х 63.5 Х 10.2 mm
    Weight
    • 0 g
    • 0 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 6.2" inch
    • 4" inch
    Screen resolution
    • 720 x 1500 px
    • 480 x 800 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32GB 2GB RAM
    • 4 GB
    • 512 MB RAM
    Memory card support
    • microSD
    • microSD
    • up to 32 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Ion
    • 1400 mAh
    • Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • HIOS 5.0
    • Android 4.2.2 (Jelly Bean)
    Chipset
    • Mediatek MT6761 Helio A22 (12 nm)
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Spark 3 Pro, A42.
    SpecificationSpark 3 ProA42
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 96.7 cm2
    • 45.5 cm2
    Screen format Unknown
    • 5:3 (height:width)
    Screen to body ratio
    • 83.0%
    • 57.6%
    PPI /points per inch/
    • 0 PPI
    • 233 PPI
    Camera and Video
    Camera and Video — specifications for Spark 3 Pro, A42.
    SpecificationSpark 3 ProA42
    Rear camera, main
    • 13 MP
    • Dual
    • 5 MP
    • Single
    Camera specs
    • 13 MP
    • AF -2 MP
    • 5 MP
    Functions
    • LED flash
    		 Unknown
    Video
    • 1080p@30fps
    • Yes
    Front camera, selfie
    • 8 MP
    • Single
    • 1.3 MP
    • Single
    Specifications
    • 8 MP
    • 1.3 MP
    Performance
    Performance — specifications for Spark 3 Pro, A42.
    SpecificationSpark 3 ProA42
    Processor CPU
    • Quad-core 2.0 GHz Cortex-A53
    • Dual-core 1.3 GHz
    Graphics processor GPU
    • PowerVR GE8320
    		 Unknown
    General specs
    General specs — specifications for Spark 3 Pro, A42.
    SpecificationSpark 3 ProA42
    Release date
    • 2019
    • April
    • 2014
    • July
    Colors
    • Midnight Black
    • Champagne Gold
    • Nebula Black
    • Yellow
    • Blue
    • White
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
    • 80 EUR
    Battery life Unknown
    • Stand by time- Up to 180 h Talking time- Up to 5 h
    Communication and Connectivity
    Communication and Connectivity — specifications for Spark 3 Pro, A42.
    SpecificationSpark 3 ProA42
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Dual SIM
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 8(900)
    • 38(2600)
    • 40(2300)
    • 41(2500) LTE band 1(2100)
    • 2(1900)
    • 4(1700/2100)
    • 7(2600)
    • 20(800)
    • 28(700) LTE band 3(1800)
    • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
    Speed
    • HSPA 42.2/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • USB On-The-Go
    • microUSB
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 2.0
    Harmful irradiation Unknown
    • SAR EU - 0.69 W/kg (head) 0.71 W/kg (body)
    Music and Audio
    Music and Audio — specifications for Spark 3 Pro, A42.
    SpecificationSpark 3 ProA42
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for Spark 3 Pro, A42.
    SpecificationSpark 3 ProA42
    Dop
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • proximity
    • Sensors Accelerometer
    • proximity

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