Karbonn Smart A12 Star vs Xiaomi Mi Note 3

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: 33 g lighter

    Smart A12 Star:
    130 g
    Mi Note 3:
    163 g
  • Width

    Smart A12 Star: 9.8 mm narrower

    Smart A12 Star:
    64.2 mm
    Mi Note 3:
    74 mm
  • Screen diagonal

    Smart A12 Star: 1.5 in smaller diagonal

    Smart A12 Star:
    4 in
    Mi Note 3:
    5.5 in
  • Rear camera layout

    Smart A12 Star:
    Single
    Mi Note 3:
    Dual
  • Depth

    Mi Note 3: 2.5 mm thinner

    Smart A12 Star:
    10.1 mm
    Mi Note 3:
    7.6 mm
  • Height

    Smart A12 Star: 28.4 mm shorter

    Smart A12 Star:
    124.2 mm
    Mi Note 3:
    152.6 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 +2.5 mm versus Mi Note 3
  2. 2. Mi Note 3

    Height:
    152.6 mm +28.4 mm versus Smart A12 Star
    Width:
    74 mm +9.8 mm versus Smart A12 Star
    Depth:
    7.6 mm

Weight

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

  1. 1. Smart A12 Star

    130 g

  2. 2. Mi Note 3

    163 g

    +33 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 Note 3

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

Mi Note 3 has approximately 83.1% 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.

Recorded RAM for Smart A12 Star, Mi Note 3, compared at the same storage capacity.
StorageSmart A12 StarMi Note 3
64 GB Unknown 6 GB RAM
128 GB Unknown 6 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 Note 3

NFC:
Yes
Headphone jack:
No
Memory card support:
No

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 Note 3

    3500 mAh

    +2100 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 Note 3

Everyday essentials
Everyday essentials — specifications for Smart A12 Star, Mi Note 3.
SpecificationSmart A12 StarMi Note 3
Dimensions (HxWxD)
  • 124.2 Х 64.2 Х 10.1 mm
  • 152.6 Х 74 Х 7.6 mm
Weight
  • 130 g
  • 163 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 5.5" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1400 mAh
  • Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 7.1 (Nougat); MIUI 10
Chipset Unknown
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Smart A12 Star, Mi Note 3.
SpecificationSmart A12 StarMi Note 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 83.4 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 57.1%
  • 73.8%
PPI /points per inch/
  • 233 PPI
  • 401 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video

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

Camera and Video — specifications for Smart A12 Star, Mi Note 3.
SpecificationSmart A12 StarMi Note 3
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 5 MP
  • 12 MP
  • f/1.8
  • 27mm (wide)
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • AF
  • 2x optical zoom
Functions
  • LED flash
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 16 MP
  • Single
Specifications
  • VGA
  • 16 MP
  • 1.0µm
DxOMark Main Score * Unknown
  • 90
DxOMark Photo * Unknown
  • 94
DxOMark Video * Unknown
  • 82
Performance

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

Performance — specifications for Smart A12 Star, Mi Note 3.
SpecificationSmart A12 StarMi Note 3
Processor CPU
  • Dual-core 1.2 GHz
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU Unknown
  • Adreno 512
Antutu 7 score * Unknown
  • 139785
GeekBench 4 Single Core * Unknown
  • 1588
GeekBench 4 Multi-Core * Unknown
  • 5629
GeekBench 4 RenderScript * Unknown
  • 5365
GeekBench 5 Single Core * Unknown
  • 331
GeekBench 5 Multi-Core * Unknown
  • 1388
General specs
General specs — specifications for Smart A12 Star, Mi Note 3.
SpecificationSmart A12 StarMi Note 3
Release date
  • 2014
  • July
  • 2017
  • September
Colors
  • Black
  • Black
  • Blue (128/6 only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 280 EUR
Battery life
  • Stand by time- Up to 300 h
Unknown
Body build Unknown
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Smart A12 Star, Mi Note 3.
SpecificationSmart A12 StarMi Note 3
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 2.0
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.79 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Smart A12 Star, Mi Note 3.
SpecificationSmart A12 StarMi Note 3
Radio
  • FM radio
  • No
Others Unknown
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Smart A12 Star, Mi Note 3.
SpecificationSmart A12 StarMi Note 3
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0)