Karbonn Smart A12 Star vs Vodafone Smart 4

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: 22 g lighter

    Smart A12 Star:
    130 g
    Smart 4:
    152 g
  • Width

    Smart A12 Star: 1.8 mm narrower

    Smart A12 Star:
    64.2 mm
    Smart 4:
    66 mm
  • Screen diagonal

    Smart A12 Star: 0.5 in smaller diagonal

    Smart A12 Star:
    4 in
    Smart 4:
    4.5 in
  • Depth

    Smart A12 Star: 0.5 mm thinner

    Smart A12 Star:
    10.1 mm
    Smart 4:
    10.6 mm
  • Height

    Smart A12 Star: 10.5 mm shorter

    Smart A12 Star:
    124.2 mm
    Smart 4:
    134.7 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. Smart 4

    Height:
    134.7 mm +10.5 mm versus Smart A12 Star
    Width:
    66 mm +1.8 mm versus Smart A12 Star
    Depth:
    10.6 mm +0.5 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. Smart 4

    152 g

    +22 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. Smart 4

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

Smart 4 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.

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

Smart A12 Star: Original memory entry

4 GB · 512 MB RAM

Smart 4: 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. Smart 4

NFC:
See details Yes (optional)
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. Smart 4

    1880 mAh

    +480 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. Smart 4

Everyday essentials
Everyday essentials — specifications for Smart A12 Star, Smart 4.
SpecificationSmart A12 StarSmart 4
Dimensions (HxWxD)
  • 124.2 Х 64.2 Х 10.1 mm
  • 134.7 Х 66 Х 10.6 mm
Weight
  • 130 g
  • 152 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 512 MB 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
  • 1880 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
NFC Unknown
  • Yes (optional)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart A12 Star, Smart 4.
SpecificationSmart A12 StarSmart 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 45.5 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 62.8%
PPI /points per inch/
  • 233 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Smart A12 Star, Smart 4.
SpecificationSmart A12 StarSmart 4
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
Unknown
Performance

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

Performance — specifications for Smart A12 Star, Smart 4.
SpecificationSmart A12 StarSmart 4
Processor CPU
  • Dual-core 1.2 GHz
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
Antutu 7 score * Unknown
  • 8302
General specs
General specs — specifications for Smart A12 Star, Smart 4.
SpecificationSmart A12 StarSmart 4
Release date
  • 2014
  • July
  • 2014
  • May
Colors
  • Black
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 90 EUR
Battery life
  • Stand by time- Up to 300 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Smart A12 Star, Smart 4.
SpecificationSmart A12 StarSmart 4
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA
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 - 1.22 W/kg (head) 0.82 W/kg (body)
Music and Audio
Music and Audio — specifications for Smart A12 Star, Smart 4.
SpecificationSmart A12 StarSmart 4
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Smart A12 Star, Smart 4.
SpecificationSmart A12 StarSmart 4
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity