Karbonn Smart A12 Star vs LG KT770

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.

  • Width

    KT770: 12.7 mm narrower

    Smart A12 Star:
    64.2 mm
    KT770:
    51.5 mm
  • Screen diagonal

    KT770: 1.2 in smaller diagonal

    Smart A12 Star:
    4 in
    KT770:
    2.8 in
  • Depth

    Smart A12 Star: 5.7 mm thinner

    Smart A12 Star:
    10.1 mm
    KT770:
    15.8 mm
  • Height

    KT770: 13.2 mm shorter

    Smart A12 Star:
    124.2 mm
    KT770:
    111 mm
  • Release year

    Smart A12 Star:
    2014
    KT770:
    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 +13.2 mm versus KT770
    Width:
    64.2 mm +12.7 mm versus KT770
    Depth:
    10.1 mm
    Weight:
    130 g
  2. 2. KT770

    Height:
    111 mm
    Width:
    51.5 mm
    Depth:
    15.8 mm +5.7 mm versus Smart A12 Star
    Weight:
    Unknown

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. KT770

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

Smart A12 Star has approximately 104.1% more rectangular screen area than KT770.

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

KT770: Original memory entry

120 MB

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. KT770

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

    +450 mAh versus KT770

  2. 2. KT770

    950 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. KT770

Everyday essentials
Everyday essentials — specifications for Smart A12 Star, KT770.
SpecificationSmart A12 StarKT770
Dimensions (HxWxD)
  • 124.2 Х 64.2 Х 10.1 mm
  • 111 Х 51.5 Х 15.8 mm
Weight
  • 130 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 240 x 400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 120 MB
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
  • 950 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Symbian OS 9.3 Series60 rel. 3.2.3
Headphone jack
  • Yes
  • No
Display
Display — specifications for Smart A12 Star, KT770.
SpecificationSmart A12 StarKT770
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 45.5 cm2
  • 22.3 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 57.1%
  • 39.0%
PPI /points per inch/
  • 233 PPI
  • 167 PPI
Camera and Video
Camera and Video — specifications for Smart A12 Star, KT770.
SpecificationSmart A12 StarKT770
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA videocall camera
Performance
Performance — specifications for Smart A12 Star, KT770.
SpecificationSmart A12 StarKT770
Processor CPU
  • Dual-core 1.2 GHz
Unknown
General specs
General specs — specifications for Smart A12 Star, KT770.
SpecificationSmart A12 StarKT770
Release date
  • 2014
  • July
  • 2009
  • February
Colors
  • Black
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Smart A12 Star, KT770.
SpecificationSmart A12 StarKT770
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 7.2/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
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
Harmful irradiation
  • SAR EU - 0.79 W/kg (head)
  • SAR - 0.36 W/kg (head) 0.75 W/kg (body)
Music and Audio
Music and Audio — specifications for Smart A12 Star, KT770.
SpecificationSmart A12 StarKT770
Radio
  • FM radio
  • No
Others Unknown
  • Touch-sensitive navigation keys
Other features
Other features — specifications for Smart A12 Star, KT770.
SpecificationSmart A12 StarKT770
Dop
  • Sensors Accelerometer
  • proximity
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Organizer -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Voice memo -Predictive text input