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Karbonn Smart A12 Star vs Xolo LT900

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: 10 g lighter

      Smart A12 Star:
      130 g
      LT900:
      140 g

    • Width

      Smart A12 Star: 1.8 mm narrower

      Smart A12 Star:
      64.2 mm
      LT900:
      66 mm

    • Screen diagonal

      Smart A12 Star: 0.3 in smaller diagonal

      Smart A12 Star:
      4 in
      LT900:
      4.3 in

    • Height

      Smart A12 Star: 4.5 mm shorter

      Smart A12 Star:
      124.2 mm
      LT900:
      128.7 mm

    • Release year

      Smart A12 Star:
      2014
      LT900:
      2013

    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
      Width:
      64.2 mm
      Depth:
      10.1 mm

    2. 2. LT900

      Height:
      128.7 mm +4.5 mm versus Smart A12 Star
      Width:
      66 mm +1.8 mm versus Smart A12 Star
      Depth:
      9.8 mm

    Weight

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

    1. 1. Smart A12 Star

      130 g

    2. 2. LT900

      140 g

      +10 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. LT900

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

    LT900 has approximately 11.9% 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 Smart A12 Star, LT900, compared at the same storage capacity.
    StorageSmart A12 StarLT900
    8 GB Unknown 1 GB RAM
    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. Smart A12 Star

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

    2. LT900

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

    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. LT900

      1810 mAh

      +410 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. LT900

    Everyday essentials
    Everyday essentials — specifications for Smart A12 Star, LT900.
    SpecificationSmart A12 StarLT900
    Dimensions (HxWxD)
    • 124.2 Х 64.2 Х 10.1 mm
    • 128.7 Х 66 Х 9.8 mm
    Weight
    • 130 g
    • 140 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 4" inch
    • 4.3" inch
    Screen resolution
    • 480 x 800 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 4 GB
    • 512 MB RAM
    • 8 GB
    • 1 GB RAM
    Memory card support
    • microSD
    • up to 32 GB
    • microSD
    • up to 32 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 1400 mAh
    • Li-Ion
    • 1810 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 4.4.2 (KitKat)
    • Android 4.2 (Jelly Bean)
    Chipset Unknown
    • Qualcomm MSM8960 Snapdragon S4 Plus
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Smart A12 Star, LT900.
    SpecificationSmart A12 StarLT900
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    		 Unknown
    Screen area
    • 45.5 cm2
    • 51.0 cm2
    Screen format
    • 5:3 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 57.1%
    • 60.0%
    PPI /points per inch/
    • 233 PPI
    • 342 PPI
    Camera and Video
    Camera and Video — specifications for Smart A12 Star, LT900.
    SpecificationSmart A12 StarLT900
    Rear camera, main
    • 5 MP
    • Single
    • 8 MP
    • Single
    Camera specs
    • 5 MP
    • 8 MP
    • AF
    Functions
    • LED flash
    • Dual-LED flash
    • panorama
    • HDR
    Video
    • Yes
    • 720p
    Front camera, selfie
    • 0.3 MP
    • Single
    • 1 MP
    • Single
    Specifications
    • VGA
    • 1 MP
    Performance
    Performance — specifications for Smart A12 Star, LT900.
    SpecificationSmart A12 StarLT900
    Processor CPU
    • Dual-core 1.2 GHz
    • Dual-core 1.5 GHz Krait
    Graphics processor GPU Unknown
    • Adreno 225
    General specs
    General specs — specifications for Smart A12 Star, LT900.
    SpecificationSmart A12 StarLT900
    Release date
    • 2014
    • July
    • 2013
    • October
    Colors
    • Black
    • Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 50 EUR
    • 190 EUR
    Battery life
    • Stand by time- Up to 300 h
    • Stand by time- Up to 362 h (2G) / Up to 301 h (3G) Talking time- Up to 15 h (2G) / Up to 14 h (3G)
    Communication and Connectivity
    Communication and Connectivity — specifications for Smart A12 Star, LT900.
    SpecificationSmart A12 StarLT900
    SIM card
    • Dual SIM (Micro-SIM
    • dual stand-by)
    • Yes
    Network
    • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 2100 -4G - LTE band 40(2300)
    Speed
    • HSPA
    • LTE
    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
    • microUSB 2.0
    Bluetooth
    • 2.0
    • 4.0
    • A2DP
    Harmful irradiation
    • SAR EU - 0.79 W/kg (head)
    • SAR EU - 0.60 W/kg (head) 0.53 W/kg (body)
    Music and Audio
    Music and Audio — specifications for Smart A12 Star, LT900.
    SpecificationSmart A12 StarLT900
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for Smart A12 Star, LT900.
    SpecificationSmart A12 StarLT900
    Dop
    • Sensors Accelerometer
    • proximity
    • Sensors Accelerometer
    • gyro
    • proximity
    • compass - For India

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