Karbonn Smart A12 Star vs Samsung Propel Pro

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: 7 g lighter

    Smart A12 Star:
    130 g
    Propel Pro:
    137 g
  • Width

    Propel Pro: 4.2 mm narrower

    Smart A12 Star:
    64.2 mm
    Propel Pro:
    60 mm
  • Screen diagonal

    Propel Pro: 1.45 in smaller diagonal

    Smart A12 Star:
    4 in
    Propel Pro:
    2.55 in
  • Depth

    Smart A12 Star: 4.9 mm thinner

    Smart A12 Star:
    10.1 mm
    Propel Pro:
    15 mm
  • Height

    Propel Pro: 25.2 mm shorter

    Smart A12 Star:
    124.2 mm
    Propel Pro:
    99 mm
  • Release year

    Smart A12 Star:
    2014
    Propel Pro:
    2009

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 +25.2 mm versus Propel Pro
    Width:
    64.2 mm +4.2 mm versus Propel Pro
    Depth:
    10.1 mm
  2. 2. Propel Pro

    Height:
    99 mm
    Width:
    60 mm
    Depth:
    15 mm +4.9 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. Propel Pro

    137 g

    +7 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. Propel Pro

    Screen diagonal:
    2.55 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    21 cm²

Smart A12 Star has approximately 117.1% more rectangular screen area than Propel Pro.

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

Propel Pro: Original memory entry

128 MB RAM · 256 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. Propel Pro

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 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

    +400 mAh versus Propel Pro

  2. 2. Propel Pro

    1000 mAh

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. Propel Pro

Everyday essentials
Everyday essentials — specifications for Smart A12 Star, Propel Pro.
SpecificationSmart A12 StarPropel Pro
Dimensions (HxWxD)
  • 124.2 Х 64.2 Х 10.1 mm
  • 99 Х 60 Х 15 mm
Weight
  • 130 g
  • 137 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 2.55" inch
Screen resolution
  • 480 x 800 px
  • 320 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 16 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 1000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows Mobile 6.1 Standard
Headphone jack
  • Yes
  • No
Display
Display — specifications for Smart A12 Star, Propel Pro.
SpecificationSmart A12 StarPropel Pro
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 65K
Screen area
  • 45.5 cm2
  • 21.0 cm2
Screen format
  • 5:3 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 57.1%
  • 35.3%
PPI /points per inch/
  • 233 PPI
  • 177 PPI
Camera and Video
Camera and Video — specifications for Smart A12 Star, Propel Pro.
SpecificationSmart A12 StarPropel Pro
Rear camera, main
  • 5 MP
  • Single
  • 3 MP
  • Single
Camera specs
  • 5 MP
  • 3 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Smart A12 Star, Propel Pro.
SpecificationSmart A12 StarPropel Pro
Processor CPU
  • Dual-core 1.2 GHz
  • 528 MHz
General specs
General specs — specifications for Smart A12 Star, Propel Pro.
SpecificationSmart A12 StarPropel Pro
Release date
  • 2014
  • July
  • 2009
  • March
Colors
  • Black
  • Grey
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 288 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Smart A12 Star, Propel Pro.
SpecificationSmart A12 StarPropel Pro
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 3.6/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 2.0
  • 2.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.79 W/kg (head)
  • SAR - 0.40 W/kg (head) 0.59 W/kg (body)
Music and Audio
Music and Audio — specifications for Smart A12 Star, Propel Pro.
SpecificationSmart A12 StarPropel Pro
Radio
  • FM radio
  • No
Other features
Other features — specifications for Smart A12 Star, Propel Pro.
SpecificationSmart A12 StarPropel Pro
Dop
  • Sensors Accelerometer
  • proximity
  • Pocket Office -MP4 player -MP3 player -Organizer -Voice memo -Predictive text input Trackball For AT&T