Karbonn Smart A12 Star vs Sony Xperia miro

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

    Xperia miro: 20 g lighter

    Smart A12 Star:
    130 g
    Xperia miro:
    110 g
  • Width

    Xperia miro: 4.8 mm narrower

    Smart A12 Star:
    64.2 mm
    Xperia miro:
    59.4 mm
  • Screen diagonal

    Xperia miro: 0.5 in smaller diagonal

    Smart A12 Star:
    4 in
    Xperia miro:
    3.5 in
  • Height

    Xperia miro: 11.2 mm shorter

    Smart A12 Star:
    124.2 mm
    Xperia miro:
    113 mm
  • Release year

    Smart A12 Star:
    2014
    Xperia miro:
    2012

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 +11.2 mm versus Xperia miro
    Width:
    64.2 mm +4.8 mm versus Xperia miro
    Depth:
    10.1 mm
  2. 2. Xperia miro

    Height:
    113 mm
    Width:
    59.4 mm
    Depth:
    9.9 mm

Weight

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

  1. 1. Smart A12 Star

    130 g

    +20 g versus Xperia miro

  2. 2. Xperia miro

    110 g

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. Xperia miro

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

Smart A12 Star has approximately 24.8% more rectangular screen area than Xperia miro.

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

Xperia miro: Original memory entry

4 GB (2.2 GB user available) · 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. Xperia miro

NFC:
Unknown
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. Xperia miro

    1500 mAh

    +100 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. Xperia miro

Everyday essentials
Everyday essentials — specifications for Smart A12 Star, Xperia miro.
SpecificationSmart A12 StarXperia miro
Dimensions (HxWxD)
  • 124.2 Х 64.2 Х 10.1 mm
  • 113 Х 59.4 Х 9.9 mm
Weight
  • 130 g
  • 110 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 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 (2.2 GB user available)
  • 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
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Qualcomm MSM7225A Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart A12 Star, Xperia miro.
SpecificationSmart A12 StarXperia miro
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 57.1%
  • 54.3%
PPI /points per inch/
  • 233 PPI
  • 165 PPI
Screen protection Unknown
  • Scratch-resistant glass
Camera and Video
Camera and Video — specifications for Smart A12 Star, Xperia miro.
SpecificationSmart A12 StarXperia miro
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance

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

Performance — specifications for Smart A12 Star, Xperia miro.
SpecificationSmart A12 StarXperia miro
Processor CPU
  • Dual-core 1.2 GHz
  • 800 MHz Cortex-A5
Graphics processor GPU Unknown
  • Adreno 200
Antutu 7 score * Unknown
  • 2010
General specs
General specs — specifications for Smart A12 Star, Xperia miro.
SpecificationSmart A12 StarXperia miro
Release date
  • 2014
  • July
  • 2012
  • June
Colors
  • Black
  • Black
  • Pink
  • White with silver
  • White with gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 300 h
  • Stand by time- Up to 470 h (2G) / Up to 545 h (3G) Talking time- Up to 5 h (2G) / Up to 6 h (3G) Music play - Up to 36 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Smart A12 Star, Xperia miro.
SpecificationSmart A12 StarXperia miro
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 7.2/5.76 Mbps
GPRS
  • Yes
  • Up to 86 kbps
Edge
  • Yes
  • Up to 237 kbps
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB Host
Bluetooth
  • 2.0
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.79 W/kg (head)
  • SAR - 1.25 W/kg (head) 0.91 W/kg (body) SAR EU - 0.87 W/kg (head)
Music and Audio
Music and Audio — specifications for Smart A12 Star, Xperia miro.
SpecificationSmart A12 StarXperia miro
Radio
  • FM radio
  • Stereo FM radio
  • RDS
Others Unknown
  • Anti-reflective coating
Other features
Other features — specifications for Smart A12 Star, Xperia miro.
SpecificationSmart A12 StarXperia miro
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/eAAC+/WAV player -TrackID music recognition -Document viewer -Voice memo/dial/commands -Predictive text input - Also known as Sony ST23i
  • Sony ST23a