BLU Dash 3.5 vs Karbonn Smart A12 Star

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

    Dash 3.5: 20 g lighter

    Dash 3.5:
    110 g
    Smart A12 Star:
    130 g
  • Width

    Dash 3.5: 2.2 mm narrower

    Dash 3.5:
    62 mm
    Smart A12 Star:
    64.2 mm
  • Screen diagonal

    Dash 3.5: 0.5 in smaller diagonal

    Dash 3.5:
    3.5 in
    Smart A12 Star:
    4 in
  • Depth

    Smart A12 Star: 1.4 mm thinner

    Dash 3.5:
    11.5 mm
    Smart A12 Star:
    10.1 mm
  • Height

    Dash 3.5: 9.2 mm shorter

    Dash 3.5:
    115 mm
    Smart A12 Star:
    124.2 mm
  • Release year

    Dash 3.5:
    2012
    Smart A12 Star:
    2014

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. Dash 3.5

    Height:
    115 mm
    Width:
    62 mm
    Depth:
    11.5 mm +1.4 mm versus Smart A12 Star
  2. 2. Smart A12 Star

    Height:
    124.2 mm +9.2 mm versus Dash 3.5
    Width:
    64.2 mm +2.2 mm versus Dash 3.5
    Depth:
    10.1 mm

Weight

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

  1. 1. Dash 3.5

    110 g

  2. 2. Smart A12 Star

    130 g

    +20 g versus Dash 3.5

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. Dash 3.5

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Smart A12 Star

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Smart A12 Star has approximately 24.8% more rectangular screen area than Dash 3.5.

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.

Dash 3.5: Original memory entry

512 MB · 256 MB 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. Dash 3.5

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

2. Smart A12 Star

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

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. Dash 3.5

    1300 mAh

  2. 2. Smart A12 Star

    1400 mAh

    +100 mAh versus Dash 3.5

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. Dash 3.52. Smart A12 Star

Everyday essentials
Everyday essentials — specifications for Dash 3.5, Smart A12 Star.
SpecificationDash 3.5Smart A12 Star
Dimensions (HxWxD)
  • 115 Х 62 Х 11.5 mm
  • 124.2 Х 64.2 Х 10.1 mm
Weight
  • 110 g
  • 130 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 320 x 480 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6572M (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash 3.5, Smart A12 Star.
SpecificationDash 3.5Smart A12 Star
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 36.5 cm2
  • 45.5 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 51.2%
  • 57.1%
PPI /points per inch/
  • 165 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Dash 3.5, Smart A12 Star.
SpecificationDash 3.5Smart A12 Star
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • 5 MP
Functions Unknown
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
Specifications Unknown
  • VGA
Performance
Performance — specifications for Dash 3.5, Smart A12 Star.
SpecificationDash 3.5Smart A12 Star
Processor CPU
  • Dual-core 1.0 GHz Cortex-A7
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for Dash 3.5, Smart A12 Star.
SpecificationDash 3.5Smart A12 Star
Release date
  • 2012
  • September
  • 2014
  • July
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
  • 50 EUR
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 500 h (3G) Talking time- Up to 15 h (2G) / Up to 10 h (3G)
  • Stand by time- Up to 300 h
Communication and Connectivity
Communication and Connectivity — specifications for Dash 3.5, Smart A12 Star.
SpecificationDash 3.5Smart A12 Star
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • 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
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.79 W/kg (head)
Music and Audio
Music and Audio — specifications for Dash 3.5, Smart A12 Star.
SpecificationDash 3.5Smart A12 Star
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Dash 3.5, Smart A12 Star.
SpecificationDash 3.5Smart A12 Star
Dop
  • Sensors Accelerometer MP3/AAC/WMA/WAV player -DivX/XviD/MP4/H.264/WMV player -Document viewer/editor -Photo viewer/editor D161 Single SIM D171 Dual SIM
  • Sensors Accelerometer
  • proximity