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Karbonn Smart A12 Star vs Samsung Galaxy E7

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 E7:
      OLED

    • Weight

      Smart A12 Star: 11 g lighter

      Smart A12 Star:
      130 g
      Galaxy E7:
      141 g

    • Width

      Smart A12 Star: 13 mm narrower

      Smart A12 Star:
      64.2 mm
      Galaxy E7:
      77.2 mm

    • Screen diagonal

      Smart A12 Star: 1.5 in smaller diagonal

      Smart A12 Star:
      4 in
      Galaxy E7:
      5.5 in

    • Depth

      Galaxy E7: 2.8 mm thinner

      Smart A12 Star:
      10.1 mm
      Galaxy E7:
      7.3 mm

    • Height

      Smart A12 Star: 27.1 mm shorter

      Smart A12 Star:
      124.2 mm
      Galaxy E7:
      151.3 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 +2.8 mm versus Galaxy E7

    2. 2. Galaxy E7

      Height:
      151.3 mm +27.1 mm versus Smart A12 Star
      Width:
      77.2 mm +13 mm versus Smart A12 Star
      Depth:
      7.3 mm

    Weight

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

    1. 1. Smart A12 Star

      130 g

    2. 2. Galaxy E7

      141 g

      +11 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 E7

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

    Galaxy E7 has approximately 83.1% 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, Galaxy E7, compared at the same storage capacity.
    StorageSmart A12 StarGalaxy E7
    16 GB Unknown 2 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. Galaxy E7

    NFC:
    See details Yes (LTE model)
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 64 GB (uses SIM 2 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 E7

      2950 mAh

      +1550 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 E7

    Everyday essentials
    Everyday essentials — specifications for Smart A12 Star, Galaxy E7.
    SpecificationSmart A12 StarGalaxy E7
    Dimensions (HxWxD)
    • 124.2 Х 64.2 Х 10.1 mm
    • 151.3 Х 77.2 Х 7.3 mm
    Weight
    • 130 g
    • 141 g
    Technology
    • IPS LCD
    • Super AMOLED
    Screen size
    • 4" inch
    • 5.5" 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
    • 16 GB
    • 2 GB RAM
    Memory card support
    • microSD
    • up to 32 GB
    • microSD
    • up to 64 GB (uses SIM 2 slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 1400 mAh
    • Li-Ion
    • 2950 mAh
    • Non-removable Li-Ion
    Operating system OS
    • Android 4.4.2 (KitKat)
    • Android 4.4.4 (KitKat)
    • upgradable to 5.1.1 (Lollipop)
    Chipset Unknown
    • Qualcomm MSM8916 Snapdragon 410 (28 nm)
    NFC Unknown
    • Yes (LTE model)
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Smart A12 Star, Galaxy E7.
    SpecificationSmart A12 StarGalaxy E7
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 45.5 cm2
    • 83.4 cm2
    Screen format
    • 5:3 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 57.1%
    • 71.4%
    PPI /points per inch/
    • 233 PPI
    • 267 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 4
    Camera and Video
    Camera and Video — specifications for Smart A12 Star, Galaxy E7.
    SpecificationSmart A12 StarGalaxy E7
    Rear camera, main
    • 5 MP
    • Single
    • 13 MP
    • Single
    Camera specs
    • 5 MP
    • 13 MP
    • f/2.1
    • 27mm (wide)
    • AF
    Functions
    • LED flash
    • LED flash
    • panorama
    • HDR
    Video
    • Yes
    • 1080p@30fps
    Front camera, selfie
    • 0.3 MP
    • Single
    • 5 MP
    • Single
    Specifications
    • VGA
    • 5 MP
    • f/2.2
    • 23mm (wide)
    Performance

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

    Performance — specifications for Smart A12 Star, Galaxy E7.
    SpecificationSmart A12 StarGalaxy E7
    Processor CPU
    • Dual-core 1.2 GHz
    • Quad-core 1.2 GHz Cortex-A53
    Graphics processor GPU Unknown
    • Adreno 306
    Antutu 7 score * Unknown
    • 21326
    General specs
    General specs — specifications for Smart A12 Star, Galaxy E7.
    SpecificationSmart A12 StarGalaxy E7
    Release date
    • 2014
    • July
    • 2015
    • January
    Colors
    • Black
    • Black
    • White
    • Brown
    • Blue
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 50 EUR
    • 230 EUR
    Battery life
    • Stand by time- Up to 300 h
    • Talking time- Up to 18 h (3G) Music play - Up to 88 h
    Body build Unknown
    • plastic body
    Communication and Connectivity
    Communication and Connectivity — specifications for Smart A12 Star, Galaxy E7.
    SpecificationSmart A12 StarGalaxy E7
    SIM card
    • Dual SIM (Micro-SIM
    • dual stand-by)
    • Single SIM (Nano-SIM)Hybrid 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 - E700F
    • E700H
    • E700M GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 - E7000
    • E700F/DS
    • E700H/DS
    • E700M/DS -3G - HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA - E7000 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800) - E700F LTE band 1(2100)
    • 38(2600)
    • 39(1900)
    • 40(2300)
    • 41(2500) - E7000
    Speed
    • HSPA
    • HSPA 42.2/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    • GLONASS
    USB
    • microUSB 2.0
    • microUSB 2.0
    Bluetooth
    • 2.0
    • 4.0
    • A2DP
    Harmful irradiation
    • SAR EU - 0.79 W/kg (head)
    • SAR - 0.64 W/kg (head) 0.85 W/kg (body) SAR EU - 0.33 W/kg (head) 0.47 W/kg (body)
    Music and Audio
    Music and Audio — specifications for Smart A12 Star, Galaxy E7.
    SpecificationSmart A12 StarGalaxy E7
    Radio
    • FM radio
    • FM radio
    • RDS
    • recording
    Other features
    Other features — specifications for Smart A12 Star, Galaxy E7.
    SpecificationSmart A12 StarGalaxy E7
    Dop
    • Sensors Accelerometer
    • proximity
    • Sensors Accelerometer
    • proximity - ANT+ - Versions: E7000
    • E7009
    • E700F
    • E700F/DS
    • E700H
    • E700H/DD
    • E700H/DS
    • E700M
    • E700M/DS Also known as Samsung Galaxy E7 Duos with dual-SIM card slots

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