Apple iPhone 4 vs Karbonn A27 Retina

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

    A27 Retina: 10.5 g lighter

    iPhone 4:
    137 g
    A27 Retina:
    126.5 g
  • Width

    iPhone 4: 7.4 mm narrower

    iPhone 4:
    58.6 mm
    A27 Retina:
    66 mm
  • Screen diagonal

    iPhone 4: 0.8 in smaller diagonal

    iPhone 4:
    3.5 in
    A27 Retina:
    4.3 in
  • Height

    iPhone 4: 18.4 mm shorter

    iPhone 4:
    115.2 mm
    A27 Retina:
    133.6 mm
  • Release year

    iPhone 4:
    2010
    A27 Retina:
    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. iPhone 4

    Height:
    115.2 mm
    Width:
    58.6 mm
    Depth:
    9.3 mm
  2. 2. A27 Retina

    Height:
    133.6 mm +18.4 mm versus iPhone 4
    Width:
    66 mm +7.4 mm versus iPhone 4
    Depth:
    9.1 mm

Weight

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

  1. 1. iPhone 4

    137 g

    +10.5 g versus A27 Retina

  2. 2. A27 Retina

    126.5 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. A27 Retina

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

A27 Retina has approximately 39.7% 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

A27 Retina: 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. A27 Retina

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. iPhone 4

    1420 mAh

  2. 2. A27 Retina

    1800 mAh

    +380 mAh versus iPhone 4

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. A27 Retina

Everyday essentials
Everyday essentials — specifications for iPhone 4, A27 Retina.
SpecificationiPhone 4A27 Retina
Dimensions (HxWxD)
  • 115.2 Х 58.6 Х 9.3 mm
  • 133.6 Х 66 Х 9.1 mm
Weight
  • 137 g
  • 126.5 g
Technology
  • LED-backlit IPS LCD
  • IPS LCD
Screen size
  • 3.5" inch
  • 4.3" inch
Screen resolution
  • 640 x 960 px
  • 540 x 960 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 (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1420 mAh
  • Non-removable Li-Po
  • 1800 mAh
  • Li-Ion
Operating system OS
  • iOS 4
  • upgradable to iOS 7.1.2
  • Android 4.1 (Jelly Bean)
Chipset
  • Apple A4 (45 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for iPhone 4, A27 Retina.
SpecificationiPhone 4A27 Retina
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 36.5 cm2
  • 51.0 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 54.0%
  • 57.8%
PPI /points per inch/
  • 330 PPI
  • 256 PPI
Screen protection
  • Corning Gorilla Glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for iPhone 4, A27 Retina.
SpecificationiPhone 4A27 Retina
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • f/2.8
  • 1/3.2''
  • 1.75µm
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • VGA
  • Videocalling over Wi-Fi only
  • 2 MP
Performance

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

Performance — specifications for iPhone 4, A27 Retina.
SpecificationiPhone 4A27 Retina
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, A27 Retina.
SpecificationiPhone 4A27 Retina
Release date
  • 2010
  • June
  • 2013
  • March
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
  • 160 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 180 h Talking time- Up to 4 h
Body build
  • Front/back glass & aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for iPhone 4, A27 Retina.
SpecificationiPhone 4A27 Retina
SIM card
  • Micro-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 7.2/0.384 Mbps
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
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Proprietary
Bluetooth
  • 2.1
  • A2DP
  • Yes
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 - 1.00 W/kg (head)
Music and Audio
Music and Audio — specifications for iPhone 4, A27 Retina.
SpecificationiPhone 4A27 Retina
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for iPhone 4, A27 Retina.
SpecificationiPhone 4A27 Retina
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Scratch-resistant glass back panel
  • Sensors Accelerometer