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Karbonn Smart A12 Star vs LG Quantum

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: 46 g lighter

      Smart A12 Star:
      130 g
      Quantum:
      176 g

    • Width

      Quantum: 4.7 mm narrower

      Smart A12 Star:
      64.2 mm
      Quantum:
      59.5 mm

    • Screen diagonal

      Quantum: 0.5 in smaller diagonal

      Smart A12 Star:
      4 in
      Quantum:
      3.5 in

    • Depth

      Smart A12 Star: 5.1 mm thinner

      Smart A12 Star:
      10.1 mm
      Quantum:
      15.2 mm

    • Height

      Quantum: 4.7 mm shorter

      Smart A12 Star:
      124.2 mm
      Quantum:
      119.5 mm

    • Release year

      Smart A12 Star:
      2014
      Quantum:
      2010

    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. Smart A12 Star

      Height:
      124.2 mm +4.7 mm versus Quantum
      Width:
      64.2 mm +4.7 mm versus Quantum
      Depth:
      10.1 mm

    2. 2. Quantum

      Height:
      119.5 mm
      Width:
      59.5 mm
      Depth:
      15.2 mm +5.1 mm versus Smart A12 Star

    Weight

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

    1. 1. Smart A12 Star

      130 g

    2. 2. Quantum

      176 g

      +46 g versus Smart A12 Star

    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. Smart A12 Star

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

    2. 2. Quantum

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

    Smart A12 Star has approximately 30.6% more rectangular screen area than Quantum.

    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.

    No unambiguous storage/RAM pairings are recorded. See the original specifications below.

    Smart A12 Star: Original memory entry

    4 GB · 512 MB RAM

    Quantum: Original memory entry

    16 GB · 512 MB RAM · 512 MB ROM

    Practical features

    Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

    1. Smart A12 Star

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

    2. Quantum

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    No

    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. Smart A12 Star

      1400 mAh

    2. 2. Quantum

      1500 mAh

      +100 mAh versus Smart A12 Star

    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. Smart A12 Star2. Quantum

    Everyday essentials
    Everyday essentials — specifications for Smart A12 Star, Quantum.
    SpecificationSmart A12 StarQuantum
    Dimensions (HxWxD)
    • 124.2 Х 64.2 Х 10.1 mm
    • 119.5 Х 59.5 Х 15.2 mm
    Weight
    • 130 g
    • 176 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 4" inch
    • 3.5" inch
    Screen resolution
    • 480 x 800 px
    • 480 x 800 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 4 GB
    • 512 MB RAM
    • 16 GB
    • 512 MB RAM
    • 512 MB ROM
    Memory card support
    • microSD
    • up to 32 GB
    • No
    Battery Capacity is not battery life. No endurance test is implied.
    • 1400 mAh
    • Li-Ion
    • 1500 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 4.4.2 (KitKat)
    • Microsoft Windows Phone 7
    Chipset Unknown
    • Qualcomm QSD8650 Snapdragon S1
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Smart A12 Star, Quantum.
    SpecificationSmart A12 StarQuantum
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 45.5 cm2
    • 34.9 cm2
    Screen format
    • 5:3 (height:width)
    • 5:3 (height:width)
    Screen to body ratio
    • 57.1%
    • 49.0%
    PPI /points per inch/
    • 233 PPI
    • 267 PPI
    Camera and Video
    Camera and Video — specifications for Smart A12 Star, Quantum.
    SpecificationSmart A12 StarQuantum
    Rear camera, main
    • 5 MP
    • Single
    • 5 MP
    • Single
    Camera specs
    • 5 MP
    • 5 MP
    • AF
    Functions
    • LED flash
    • LED flash
    Video
    • Yes
    • 720p
    Front camera, selfie
    • 0.3 MP
    • Single
    • 0 MP,
    Specifications
    • VGA
    		 Unknown
    Performance
    Performance — specifications for Smart A12 Star, Quantum.
    SpecificationSmart A12 StarQuantum
    Processor CPU
    • Dual-core 1.2 GHz
    • 1.0 GHz Scorpion
    Graphics processor GPU Unknown
    • Adreno 200
    General specs
    General specs — specifications for Smart A12 Star, Quantum.
    SpecificationSmart A12 StarQuantum
    Release date
    • 2014
    • July
    • 2010
    • October
    Colors
    • Black
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 50 EUR
    • 80 EUR
    Battery life
    • Stand by time- Up to 300 h
    • Stand by time- Up to 350 h Talking time- Up to 6 h
    Communication and Connectivity
    Communication and Connectivity — specifications for Smart A12 Star, Quantum.
    SpecificationSmart A12 StarQuantum
    SIM card
    • Dual SIM (Micro-SIM
    • dual stand-by)
    • Mini-SIM
    Network
    • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
    Speed
    • HSPA
    • HSPA
    GPRS
    • Yes
    • Class 10
    Edge
    • Yes
    • Class 10
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • DLNA
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • microUSB 2.0
    Bluetooth
    • 2.0
    • 2.1
    • A2DP
    Harmful irradiation
    • SAR EU - 0.79 W/kg (head)
    • SAR - 0.35 W/kg (head) 0.30 W/kg (body)
    Music and Audio
    Music and Audio — specifications for Smart A12 Star, Quantum.
    SpecificationSmart A12 StarQuantum
    Radio
    • FM radio
    • Stereo FM radio
    Other features
    Other features — specifications for Smart A12 Star, Quantum.
    SpecificationSmart A12 StarQuantum
    Dop
    • Sensors Accelerometer
    • proximity
    • Sensors Accelerometer
    • proximity
    • compass - MP4/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer/editor -Voice memo/dial/command -Predictive text input - For AT&T

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