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BLU Studio X Mini 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

      Studio X Mini: 8 g lighter

      Studio X Mini:
      122 g
      Smart A12 Star:
      130 g

    • Width

      Smart A12 Star: 1.6 mm narrower

      Studio X Mini:
      65.8 mm
      Smart A12 Star:
      64.2 mm

    • Screen diagonal

      Smart A12 Star: 0.5 in smaller diagonal

      Studio X Mini:
      4.5 in
      Smart A12 Star:
      4 in

    • Depth

      Smart A12 Star: 0.7 mm thinner

      Studio X Mini:
      10.8 mm
      Smart A12 Star:
      10.1 mm

    • Height

      Smart A12 Star: 9.5 mm shorter

      Studio X Mini:
      133.7 mm
      Smart A12 Star:
      124.2 mm

    • Release year

      Studio X Mini:
      2016
      Smart A12 Star:
      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. Studio X Mini

      Height:
      133.7 mm +9.5 mm versus Smart A12 Star
      Width:
      65.8 mm +1.6 mm versus Smart A12 Star
      Depth:
      10.8 mm +0.7 mm versus Smart A12 Star

    2. 2. Smart A12 Star

      Height:
      124.2 mm
      Width:
      64.2 mm
      Depth:
      10.1 mm

    Weight

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

    1. 1. Studio X Mini

      122 g

    2. 2. Smart A12 Star

      130 g

      +8 g versus Studio X Mini

    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. Studio X Mini

      Screen diagonal:
      4.5 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      55.8 cm²

    2. 2. Smart A12 Star

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

    Studio X Mini has approximately 22.6% 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 Studio X Mini, Smart A12 Star, compared at the same storage capacity.
    StorageStudio X MiniSmart A12 Star
    8 GB 1 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. Studio X Mini

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 64 GB

    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. Studio X Mini

      1800 mAh

      +400 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. Studio X Mini2. Smart A12 Star

    Everyday essentials
    Everyday essentials — specifications for Studio X Mini, Smart A12 Star.
    SpecificationStudio X MiniSmart A12 Star
    Dimensions (HxWxD)
    • 133.7 Х 65.8 Х 10.8 mm
    • 124.2 Х 64.2 Х 10.1 mm
    Weight
    • 122 g
    • 130 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 4.5" inch
    • 4" inch
    Screen resolution
    • 480 x 854 px
    • 480 x 800 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 8 GB
    • 1 GB RAM
    • 4 GB
    • 512 MB RAM
    Memory card support
    • microSD
    • up to 64 GB
    • microSD
    • up to 32 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 1800 mAh
    • Removable Li-Po
    • 1400 mAh
    • Li-Ion
    Operating system OS
    • Android 5.1 (Lollipop)
    • Android 4.4.2 (KitKat)
    Chipset
    • Mediatek MT6735 (28 nm)
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Studio X Mini, Smart A12 Star.
    SpecificationStudio X MiniSmart A12 Star
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 55.8 cm2
    • 45.5 cm2
    Screen format
    • 16:9 (height:width)
    • 5:3 (height:width)
    Screen to body ratio
    • 63.4%
    • 57.1%
    PPI /points per inch/
    • 218 PPI
    • 233 PPI
    Camera and Video
    Camera and Video — specifications for Studio X Mini, Smart A12 Star.
    SpecificationStudio X MiniSmart A12 Star
    Rear camera, main
    • 5 MP
    • Single
    • 5 MP
    • Single
    Camera specs
    • 5 MP
    • f/2.8
    • 1/4''
    • AF
    • 5 MP
    Functions
    • LED flash
    • LED flash
    Video
    • 720p@30fps
    • Yes
    Front camera, selfie
    • 0.3 MP
    • Single
    • 0.3 MP
    • Single
    Specifications
    • VGA
    • VGA
    Performance
    Performance — specifications for Studio X Mini, Smart A12 Star.
    SpecificationStudio X MiniSmart A12 Star
    Processor CPU
    • Quad-core 1.0 GHz Cortex-A53
    • Dual-core 1.2 GHz
    Graphics processor GPU
    • Mali-T720
    		 Unknown
    General specs
    General specs — specifications for Studio X Mini, Smart A12 Star.
    SpecificationStudio X MiniSmart A12 Star
    Release date
    • 2016
    • March
    • 2014
    • July
    Colors
    • Black
    • White
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
    • 50 EUR
    Battery life
    • Stand by time- Up to 700 h (2G) / Up to 600 h (3G) Talking time- Up to 23 h (2G) / Up to 14 h (3G)
    • Stand by time- Up to 300 h
    Communication and Connectivity
    Communication and Connectivity — specifications for Studio X Mini, Smart A12 Star.
    SpecificationStudio X MiniSmart A12 Star
    SIM card
    • Dual SIM (Micro-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 / 1700(AWS) / 1900 / 2100 - S0150UU HSDPA 850 / 1900 / 2100 - S0151UU -4G - LTE band 2(1900)
    • 4(1700/2100)
    • 7(2600)
    • 12(700)
    • 17(700) - S0150UU LTE band 2(1900)
    • 3(1800)
    • 28(700) - S0151UU
    • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
    Speed
    • HSPA 21.1/5.76 Mbps
    • LTE Cat4 150/50 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
    • 4.0
    • A2DP
    • 2.0
    Harmful irradiation Unknown
    • SAR EU - 0.79 W/kg (head)
    Music and Audio
    Music and Audio — specifications for Studio X Mini, Smart A12 Star.
    SpecificationStudio X MiniSmart A12 Star
    Radio
    • Stereo FM radio
    • FM radio
    Other features
    Other features — specifications for Studio X Mini, Smart A12 Star.
    SpecificationStudio X MiniSmart A12 Star
    Dop
    • Sensors Accelerometer
    • proximity
    • Sensors Accelerometer
    • proximity

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