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Allview Soul X7 Pro vs Karbonn Smart A12 Star

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.

    • Weight

      Smart A12 Star: 63 g lighter

      Soul X7 Pro:
      193 g
      Smart A12 Star:
      130 g

    • Width

      Smart A12 Star: 12.6 mm narrower

      Soul X7 Pro:
      76.8 mm
      Smart A12 Star:
      64.2 mm

    • Screen diagonal

      Smart A12 Star: 2.53 in smaller diagonal

      Soul X7 Pro:
      6.53 in
      Smart A12 Star:
      4 in

    • Rear camera layout

      Soul X7 Pro:
      Quad
      Smart A12 Star:
      Single

    • Depth

      Soul X7 Pro: 1.8 mm thinner

      Soul X7 Pro:
      8.3 mm
      Smart A12 Star:
      10.1 mm

    • Height

      Smart A12 Star: 37.7 mm shorter

      Soul X7 Pro:
      161.9 mm
      Smart A12 Star:
      124.2 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.

    1. 1. Soul X7 Pro

      Height:
      161.9 mm +37.7 mm versus Smart A12 Star
      Width:
      76.8 mm +12.6 mm versus Smart A12 Star
      Depth:
      8.3 mm

    2. 2. Smart A12 Star

      Height:
      124.2 mm
      Width:
      64.2 mm
      Depth:
      10.1 mm +1.8 mm versus Soul X7 Pro

    Weight

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

    1. 1. Soul X7 Pro

      193 g

      +63 g versus Smart A12 Star

    2. 2. Smart A12 Star

      130 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.

    1. 1. Soul X7 Pro

      Screen diagonal:
      6.53 in
      Aspect ratio (height:width):
      19.5:9
      Approximate rectangular screen area:
      104.7 cm²

    2. 2. Smart A12 Star

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

    Soul X7 Pro has approximately 129.8% more rectangular screen area than Smart A12 Star.

    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 Soul X7 Pro, Smart A12 Star, compared at the same storage capacity.
    StorageSoul X7 ProSmart A12 Star
    64 GB 4 GB RAM Unknown
    Smart A12 Star: 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. Soul X7 Pro

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSDXC (uses shared SIM slot)

    2. Smart A12 Star

    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. Soul X7 Pro

      4000 mAh

      +2600 mAh versus Smart A12 Star

    2. 2. Smart A12 Star

      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. Soul X7 Pro2. Smart A12 Star

    Everyday essentials
    Everyday essentials — specifications for Soul X7 Pro, Smart A12 Star.
    SpecificationSoul X7 ProSmart A12 Star
    Dimensions (HxWxD)
    • 161.9 Х 76.8 Х 8.3 mm
    • 124.2 Х 64.2 Х 10.1 mm
    Weight
    • 193 g
    • 130 g
    Technology
    • LTPS IPS LCD
    • IPS LCD
    Screen size
    • 6.53" inc
    • 4" inch
    Screen resolution
    • 1080 x 2340 px
    • 480 x 800 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64GB 4GB RAM
    • 4 GB
    • 512 MB RAM
    Memory card support
    • microSDXC (uses shared SIM slot)
    • microSD
    • up to 32 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 4000 mAh
    • Non-removable Li-Po
    • 1400 mAh
    • Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Android 4.4.2 (KitKat)
    Chipset
    • - Qualcomm SDM630 Snapdragon 630 (14 nm)
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Soul X7 Pro, Smart A12 Star.
    SpecificationSoul X7 ProSmart A12 Star
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 104.7 cm2
    • 45.5 cm2
    Screen format
    • 19.5:9 (height:width)
    • 5:3 (height:width)
    Screen to body ratio
    • 84.2%
    • 57.1%
    PPI /points per inch/ Unknown
    • 233 PPI
    Screen protection
    • Corning Gorilla Glass
    		 Unknown
    Camera and Video
    Camera and Video — specifications for Soul X7 Pro, Smart A12 Star.
    SpecificationSoul X7 ProSmart A12 Star
    Rear camera, main
    • 13 MP
    • Quad
    • 5 MP
    • Single
    Camera specs
    • -13 MP
    • f/1.8
    • (wide)
    • 1/3.1''
    • 1.12µm
    • PDAF -8 MP
    • f/2.2
    • 120° (ultrawide)
    • 1/4.0''
    • 1.12µm -2 MP
    • f/2.4
    • (macro) -2 MP
    • (depth)
    • 5 MP
    Functions
    • LED flash
    • HDR
    • panorama
    • LED flash
    Video
    • 1080p@30fps
    • Yes
    Front camera, selfie
    • 16 MP
    • Single
    • 0.3 MP
    • Single
    Specifications
    • 16 MP
    • (wide)
    • 1/3.06" 1.0µm
    • VGA
    Performance
    Performance — specifications for Soul X7 Pro, Smart A12 Star.
    SpecificationSoul X7 ProSmart A12 Star
    Processor CPU
    • - Octa-core (4x2.2 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
    • Dual-core 1.2 GHz
    Graphics processor GPU
    • - Adreno 508
    		 Unknown
    General specs
    General specs — specifications for Soul X7 Pro, Smart A12 Star.
    SpecificationSoul X7 ProSmart A12 Star
    Release date
    • 2020
    • May 26
    • 2014
    • July
    Colors
    • Black Desire
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 230 EUR
    • 50 EUR
    Battery life Unknown
    • Stand by time- Up to 300 h
    Communication and Connectivity
    Communication and Connectivity — specifications for Soul X7 Pro, Smart A12 Star.
    SpecificationSoul X7 ProSmart A12 Star
    SIM card
    • Hybrid Dual SIM (Micro-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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - 1
    • 2
    • 3
    • 5
    • 8
    • 20
    • 38
    • 40
    • 41
    • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
    Speed
    • HSPA 42.2/11.5 Mbps
    • LTE Cat7 300/100 Mbps
    • HSPA
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    USB
    • 3.0
    • Type-C 1.0 reversible connector
    • microUSB 2.0
    Bluetooth
    • 5.1
    • A2DP
    • LE
    • 2.0
    Harmful irradiation
    • SAR EU - 1.12 W/kg (head)
    • SAR EU - 0.79 W/kg (head)
    Music and Audio
    Music and Audio — specifications for Soul X7 Pro, Smart A12 Star.
    SpecificationSoul X7 ProSmart A12 Star
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for Soul X7 Pro, Smart A12 Star.
    SpecificationSoul X7 ProSmart A12 Star
    Dop
    • - Sensors - Fingerprint (rear-mounted)
    • accelerometer
    • proximity
    • compass - Fast charging 18W
    • Sensors Accelerometer
    • proximity

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