Apple iPhone 4 vs Karbonn Smart A12 Star

Compare recorded specifications, size and practical differences.

+ Add a third phone

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: 7 g lighter

    iPhone 4:
    137 g
    Smart A12 Star:
    130 g
  • Width

    iPhone 4: 5.6 mm narrower

    iPhone 4:
    58.6 mm
    Smart A12 Star:
    64.2 mm
  • Screen diagonal

    iPhone 4: 0.5 in smaller diagonal

    iPhone 4:
    3.5 in
    Smart A12 Star:
    4 in
  • Depth

    iPhone 4: 0.8 mm thinner

    iPhone 4:
    9.3 mm
    Smart A12 Star:
    10.1 mm
  • Height

    iPhone 4: 9 mm shorter

    iPhone 4:
    115.2 mm
    Smart A12 Star:
    124.2 mm
  • Release year

    iPhone 4:
    2010
    Smart A12 Star:
    2014

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. iPhone 4

    Height:
    115.2 mm
    Width:
    58.6 mm
    Depth:
    9.3 mm
  2. 2. Smart A12 Star

    Height:
    124.2 mm +9 mm versus iPhone 4
    Width:
    64.2 mm +5.6 mm versus iPhone 4
    Depth:
    10.1 mm +0.8 mm versus iPhone 4

Weight

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

  1. 1. iPhone 4

    137 g

    +7 g versus Smart A12 Star

  2. 2. Smart A12 Star

    130 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. iPhone 4

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Smart A12 Star

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

Smart A12 Star has approximately 24.8% more rectangular screen area than iPhone 4.

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.

iPhone 4: Original memory entry

8/16/32 GB · 512 MB 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. iPhone 4

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

2. Smart A12 Star

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. iPhone 4

    1420 mAh

    +20 mAh versus Smart A12 Star

  2. 2. Smart A12 Star

    1400 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. iPhone 42. Smart A12 Star

Everyday essentials
Everyday essentials — specifications for iPhone 4, Smart A12 Star.
SpecificationiPhone 4Smart A12 Star
Dimensions (HxWxD)
  • 115.2 Х 58.6 Х 9.3 mm
  • 124.2 Х 64.2 Х 10.1 mm
Weight
  • 137 g
  • 130 g
Technology
  • LED-backlit IPS LCD
  • IPS LCD
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 640 x 960 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8/16/32 GB
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1420 mAh
  • Non-removable Li-Po
  • 1400 mAh
  • Li-Ion
Operating system OS
  • iOS 4
  • upgradable to iOS 7.1.2
  • Android 4.4.2 (KitKat)
Chipset
  • Apple A4 (45 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for iPhone 4, Smart A12 Star.
SpecificationiPhone 4Smart A12 Star
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 36.5 cm2
  • 45.5 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 54.0%
  • 57.1%
PPI /points per inch/
  • 330 PPI
  • 233 PPI
Screen protection
  • Corning Gorilla Glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for iPhone 4, Smart A12 Star.
SpecificationiPhone 4Smart A12 Star
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • f/2.8
  • 1/3.2''
  • 1.75µm
  • AF
  • 5 MP
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • Videocalling over Wi-Fi only
  • VGA
Performance

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

Performance — specifications for iPhone 4, Smart A12 Star.
SpecificationiPhone 4Smart A12 Star
Processor CPU
  • 1.0 GHz Cortex-A8
  • Dual-core 1.2 GHz
Graphics processor GPU
  • PowerVR SGX535
Unknown
Antutu 7 score *
  • 4152
Unknown
General specs
General specs — specifications for iPhone 4, Smart A12 Star.
SpecificationiPhone 4Smart A12 Star
Release date
  • 2010
  • June
  • 2014
  • July
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 50 EUR
Battery life
  • Stand by time- Up to 300 h (2G) / Up to 300 h (3G) Talking time- Up to 14 h (2G) / Up to 7 h (3G) Music play - Up to 40 h
  • Stand by time- Up to 300 h
Body build
  • Front/back glass & aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for iPhone 4, Smart A12 Star.
SpecificationiPhone 4Smart A12 Star
SIM card
  • Micro-SIM
  • Dual SIM (Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • 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
  • 2.0
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • 2.0
Harmful irradiation
  • SAR - 1.17 W/kg (head) 1.11 W/kg (body) SAR EU - 0.93 W/kg (head) 0.74 W/kg (body)
  • SAR EU - 0.79 W/kg (head)
Music and Audio
Music and Audio — specifications for iPhone 4, Smart A12 Star.
SpecificationiPhone 4Smart A12 Star
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for iPhone 4, Smart A12 Star.
SpecificationiPhone 4Smart A12 Star
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Scratch-resistant glass back panel
  • Sensors Accelerometer
  • proximity