Karbonn Smart A12 Star vs Xiaomi MI-1s

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: 19 g lighter

    Smart A12 Star:
    130 g
    MI-1s:
    149 g
  • Width

    MI-1s: 1.2 mm narrower

    Smart A12 Star:
    64.2 mm
    MI-1s:
    63 mm
  • Depth

    Smart A12 Star: 1.8 mm thinner

    Smart A12 Star:
    10.1 mm
    MI-1s:
    11.9 mm
  • Release year

    Smart A12 Star:
    2014
    MI-1s:
    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
    Width:
    64.2 mm +1.2 mm versus MI-1s
    Depth:
    10.1 mm
  2. 2. MI-1s

    Height:
    125 mm
    Width:
    63 mm
    Depth:
    11.9 mm +1.8 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. MI-1s

    149 g

    +19 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. MI-1s

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

Smart A12 Star has approximately 3.2% more rectangular screen area than MI-1s.

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, MI-1s, compared at the same storage capacity.
StorageSmart A12 StarMI-1s
4 GB Unknown 1 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. MI-1s

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. MI-1s

    1930 mAh

    +530 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. MI-1s

Everyday essentials
Everyday essentials — specifications for Smart A12 Star, MI-1s.
SpecificationSmart A12 StarMI-1s
Dimensions (HxWxD)
  • 124.2 Х 64.2 Х 10.1 mm
  • 125 Х 63 Х 11.9 mm
Weight
  • 130 g
  • 149 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 4" 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
  • 1 GB 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
  • 1930 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.0 (Ice Cream Sandwich)
Chipset Unknown
  • Qualcomm MSM8260 Snapdragon S3
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart A12 Star, MI-1s.
SpecificationSmart A12 StarMI-1s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 44.1 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 56.0%
PPI /points per inch/
  • 233 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for Smart A12 Star, MI-1s.
SpecificationSmart A12 StarMI-1s
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • f/2.2
  • 28mm (wide)
  • AF
Functions
  • LED flash
  • LED flash
  • HDR
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • 2 MP
Performance

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

Performance — specifications for Smart A12 Star, MI-1s.
SpecificationSmart A12 StarMI-1s
Processor CPU
  • Dual-core 1.2 GHz
  • Dual-core 1.7 GHz Scorpion
Graphics processor GPU Unknown
  • Adreno 220
Antutu 7 score * Unknown
  • 21396
General specs
General specs — specifications for Smart A12 Star, MI-1s.
SpecificationSmart A12 StarMI-1s
Release date
  • 2014
  • July
  • 2012
  • August
Colors
  • Black
  • White
  • Green
  • Blue
  • Red
  • Violet
  • Orange
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 190 EUR
Battery life
  • Stand by time- Up to 300 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Smart A12 Star, MI-1s.
SpecificationSmart A12 StarMI-1s
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 14.4/5.76 Mbps
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
  • 2.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.79 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Smart A12 Star, MI-1s.
SpecificationSmart A12 StarMI-1s
Radio
  • FM radio
  • No
Other features
Other features — specifications for Smart A12 Star, MI-1s.
SpecificationSmart A12 StarMI-1s
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass