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Karbonn Smart A12 Star vs Samsung Galaxy A40

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.

    • Display technology

      OLED versus LCD

      Smart A12 Star:
      LCD
      Galaxy A40:
      OLED

    • Weight

      Smart A12 Star: 10 g lighter

      Smart A12 Star:
      130 g
      Galaxy A40:
      140 g

    • Width

      Smart A12 Star: 5 mm narrower

      Smart A12 Star:
      64.2 mm
      Galaxy A40:
      69.2 mm

    • Screen diagonal

      Smart A12 Star: 1.9 in smaller diagonal

      Smart A12 Star:
      4 in
      Galaxy A40:
      5.9 in

    • Rear camera layout

      Smart A12 Star:
      Single
      Galaxy A40:
      Dual

    • Depth

      Galaxy A40: 2.2 mm thinner

      Smart A12 Star:
      10.1 mm
      Galaxy A40:
      7.9 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. Smart A12 Star

      Height:
      124.2 mm
      Width:
      64.2 mm
      Depth:
      10.1 mm +2.2 mm versus Galaxy A40

    2. 2. Galaxy A40

      Height:
      144.4 mm +20.2 mm versus Smart A12 Star
      Width:
      69.2 mm +5 mm versus Smart A12 Star
      Depth:
      7.9 mm

    Weight

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

    1. 1. Smart A12 Star

      130 g

    2. 2. Galaxy A40

      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. Galaxy A40

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

    Galaxy A40 has approximately 87.6% 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.

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

    Smart A12 Star: Original memory entry

    4 GB · 512 MB RAM

    Galaxy A40: Original memory entry

    64 GB · 512GB 4GB

    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. Galaxy A40

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 1 TB (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. Galaxy A40

      3100 mAh

      +1700 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. Galaxy A40

    Everyday essentials
    Everyday essentials — specifications for Smart A12 Star, Galaxy A40.
    SpecificationSmart A12 StarGalaxy A40
    Dimensions (HxWxD)
    • 124.2 Х 64.2 Х 10.1 mm
    • 144.4 Х 69.2 Х 7.9 mm
    Weight
    • 130 g
    • 140 g
    Technology
    • IPS LCD
    • Super AMOLED
    Screen size
    • 4" inch
    • 5.9" inch
    Screen resolution
    • 480 x 800 px
    • 1080 x 2340 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 4 GB
    • 512 MB RAM
    • 64 GB
    • 512GB 4GB
    Memory card support
    • microSD
    • up to 32 GB
    • microSD
    • up to 1 TB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 1400 mAh
    • Li-Ion
    • 3100 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 4.4.2 (KitKat)
    • Android 9.0 (Pie)
    Chipset Unknown
    • Exynos 7904 (14 nm)
    NFC Unknown
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Smart A12 Star, Galaxy A40.
    SpecificationSmart A12 StarGalaxy A40
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 45.5 cm2
    • 85.5 cm2
    Screen format
    • 5:3 (height:width)
    • 19.5:9 (height:width)
    Screen to body ratio
    • 57.1%
    • 85.5%
    PPI /points per inch/
    • 233 PPI
    • 437 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 3
    Camera and Video
    Camera and Video — specifications for Smart A12 Star, Galaxy A40.
    SpecificationSmart A12 StarGalaxy A40
    Rear camera, main
    • 5 MP
    • Single
    • 16 MP
    • Dual
    Camera specs
    • 5 MP
    • 16 MP
    • f/1.7
    • 26mm (wide)
    • PDAF -5 MP
    • f/2.2
    • 13mm (ultrawide)
    Functions
    • LED flash
    • LED flash
    • panorama
    • HDR
    Video
    • Yes
    • 1080p@30fps
    Front camera, selfie
    • 0.3 MP
    • Single
    • 25 MP
    • Single
    Specifications
    • VGA
    • 25 MP
    • f/2.0
    • 25mm (wide)
    Performance

    Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

    Performance — specifications for Smart A12 Star, Galaxy A40.
    SpecificationSmart A12 StarGalaxy A40
    Processor CPU
    • Dual-core 1.2 GHz
    • Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53)
    Graphics processor GPU Unknown
    • Mali-G71 MP2
    Antutu 7 score * Unknown
    • 109789
    Antutu 8 score * Unknown
    • 127724
    GeekBench 5 Single Core * Unknown
    • 263
    GeekBench 5 Multi-Core * Unknown
    • 960
    General specs
    General specs — specifications for Smart A12 Star, Galaxy A40.
    SpecificationSmart A12 StarGalaxy A40
    Release date
    • 2014
    • July
    • 2019
    • March
    Colors
    • Black
    • Black
    • White
    • Blue
    • Coral
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 50 EUR
    • 220 EUR
    Battery life
    • Stand by time- Up to 300 h
    		 Unknown
    Body build Unknown
    • Front glass
    • plastic body
    Communication and Connectivity
    Communication and Connectivity — specifications for Smart A12 Star, Galaxy A40.
    SpecificationSmart A12 StarGalaxy A40
    SIM card
    • Dual SIM (Micro-SIM
    • dual stand-by)
    • Single SIM (Nano-SIM)Dual SIM (Nano-SIM
    • dual stand-by)
    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 (dual-SIM model only) -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800)
    • 38(2600)
    • 40(2300)
    • 41(2500)
    Speed
    • HSPA
    • HSPA 42.2/5.76 Mbps
    • LTE-A (2CA) Cat12 600/150 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • WiFi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    • GLONASS
    • GALILEO
    • BDS
    USB
    • microUSB 2.0
    • 3.1
    • Type-C 1.0 reversible connector
    Bluetooth
    • 2.0
    • 5.0
    • A2DP
    • LE
    Harmful irradiation
    • SAR EU - 0.79 W/kg (head)
    • SAR EU - 0.49 W/kg (head) 1.34 W/kg (body)
    Music and Audio
    Music and Audio — specifications for Smart A12 Star, Galaxy A40.
    SpecificationSmart A12 StarGalaxy A40
    Radio
    • FM radio
    • FM radio
    Others Unknown
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for Smart A12 Star, Galaxy A40.
    SpecificationSmart A12 StarGalaxy A40
    Dop
    • Sensors Accelerometer
    • proximity
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - ANT+ - Fast battery charging 15W - Versions: SM-A405F/DS
    • SM-A405FN/DS (Global)
    • SM-A405FM/DS

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