Karbonn Smart A12 Star vs Philips D833

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
    D833:
    163 g
  • Width

    Smart A12 Star: 3.1 mm narrower

    Smart A12 Star:
    64.2 mm
    D833:
    67.3 mm
  • Screen diagonal

    Smart A12 Star: 0.3 in smaller diagonal

    Smart A12 Star:
    4 in
    D833:
    4.3 in
  • Depth

    Smart A12 Star: 2 mm thinner

    Smart A12 Star:
    10.1 mm
    D833:
    12.1 mm
  • Height

    Smart A12 Star: 3.8 mm shorter

    Smart A12 Star:
    124.2 mm
    D833:
    128 mm
  • Release year

    Smart A12 Star:
    2014
    D833:
    2013

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. 2. D833

    Height:
    128 mm +3.8 mm versus Smart A12 Star
    Width:
    67.3 mm +3.1 mm versus Smart A12 Star
    Depth:
    12.1 mm +2 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. D833

    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. D833

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

D833 has approximately 15.6% 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Smart A12 Star: Original memory entry

4 GB · 512 MB RAM

D833: Original memory entry

4 GB

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. D833

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. D833

    2400 mAh

    +1000 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. D833

Everyday essentials
Everyday essentials — specifications for Smart A12 Star, D833.
SpecificationSmart A12 StarD833
Dimensions (HxWxD)
  • 124.2 Х 64.2 Х 10.1 mm
  • 128 Х 67.3 Х 12.1 mm
Weight
  • 130 g
  • 163 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4" inch
  • 4.3" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 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
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
  • 2400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.0 (Ice Cream Sandwich)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Smart A12 Star, D833.
SpecificationSmart A12 StarD833
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 52.6 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 57.1%
  • 61.1%
PPI /points per inch/
  • 233 PPI
  • 217 PPI
Camera and Video
Camera and Video — specifications for Smart A12 Star, D833.
SpecificationSmart A12 StarD833
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 480p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Smart A12 Star, D833.
SpecificationSmart A12 StarD833
Processor CPU
  • Dual-core 1.2 GHz
  • Dual-core 1.0 GHz
General specs
General specs — specifications for Smart A12 Star, D833.
SpecificationSmart A12 StarD833
Release date
  • 2014
  • July
  • 2013
  • October
Colors
  • Black
  • Black/Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
Unknown
Battery life
  • Stand by time- Up to 300 h
  • Stand by time- Up to 300 h Talking time- Up to 17 h
Communication and Connectivity
Communication and Connectivity — specifications for Smart A12 Star, D833.
SpecificationSmart A12 StarD833
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 / 1900
Speed
  • HSPA
  • EV-DO Rev.A 3.1 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
  • microUSB 2.0
Bluetooth
  • 2.0
  • 3.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.79 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Smart A12 Star, D833.
SpecificationSmart A12 StarD833
Radio
  • FM radio
  • No
Other features
Other features — specifications for Smart A12 Star, D833.
SpecificationSmart A12 StarD833
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity