Apple iPhone 3G vs Karbonn A27 Retina

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

    A27 Retina: 6.5 g lighter

    iPhone 3G:
    133 g
    A27 Retina:
    126.5 g
  • Width

    iPhone 3G: 3.9 mm narrower

    iPhone 3G:
    62.1 mm
    A27 Retina:
    66 mm
  • Screen diagonal

    iPhone 3G: 0.8 in smaller diagonal

    iPhone 3G:
    3.5 in
    A27 Retina:
    4.3 in
  • Depth

    A27 Retina: 3.2 mm thinner

    iPhone 3G:
    12.3 mm
    A27 Retina:
    9.1 mm
  • Height

    iPhone 3G: 18.1 mm shorter

    iPhone 3G:
    115.5 mm
    A27 Retina:
    133.6 mm
  • Release year

    iPhone 3G:
    2008
    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 3G

    Height:
    115.5 mm
    Width:
    62.1 mm
    Depth:
    12.3 mm +3.2 mm versus A27 Retina
  2. 2. A27 Retina

    Height:
    133.6 mm +18.1 mm versus iPhone 3G
    Width:
    66 mm +3.9 mm versus iPhone 3G
    Depth:
    9.1 mm

Weight

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

  1. 1. iPhone 3G

    133 g

    +6.5 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 3G

    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 3G.

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 3G: Original memory entry

8/16 GB · 128 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 3G

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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 3G2. A27 Retina

Everyday essentials
Everyday essentials — specifications for iPhone 3G, A27 Retina.
SpecificationiPhone 3GA27 Retina
Dimensions (HxWxD)
  • 115.5 Х 62.1 Х 12.3 mm
  • 133.6 Х 66 Х 9.1 mm
Weight
  • 133 g
  • 126.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 4.3" inch
Screen resolution
  • 320 x 480 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 GB
  • 128 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.
  • 0 mAh,
  • 1800 mAh
  • Li-Ion
Operating system OS
  • iOS
  • upgradable to iOS 4.2.1
  • Android 4.1 (Jelly Bean)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for iPhone 3G, A27 Retina.
SpecificationiPhone 3GA27 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
  • 50.9%
  • 57.8%
PPI /points per inch/
  • 165 PPI
  • 256 PPI
Screen protection
  • Corning Gorilla Glass
  • oleophobic coating
Unknown
Camera and Video
Camera and Video — specifications for iPhone 3G, A27 Retina.
SpecificationiPhone 3GA27 Retina
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • 8 MP
  • AF
Functions Unknown
  • LED flash
Video
  • No
  • Yes
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance — specifications for iPhone 3G, A27 Retina.
SpecificationiPhone 3GA27 Retina
Processor CPU
  • 412 MHz ARM 11
  • Dual-core 1.2 GHz
Graphics processor GPU
  • PowerVR MBX
Unknown
General specs
General specs — specifications for iPhone 3G, A27 Retina.
SpecificationiPhone 3GA27 Retina
Release date
  • 2008
  • June
  • 2013
  • March
Colors
  • Black(8/16 GB)
  • White (16 GB)
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 90 EUR
  • 160 EUR
Battery life
  • Stand by time- Up to 300 h Talking time- Up to 10 h Music play - Up to 24 h
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for iPhone 3G, A27 Retina.
SpecificationiPhone 3GA27 Retina
SIM card
  • Mini-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
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11b/g
  • 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
  • 2.0
  • A2DP (headset support only)
  • Yes
Harmful irradiation
  • SAR - 0.52 W/kg (head) 1.29 W/kg (body) SAR EU - 0.56 W/kg (head) 0.23 W/kg (body)
  • SAR EU - 1.00 W/kg (head)
Music and Audio
Music and Audio — specifications for iPhone 3G, A27 Retina.
SpecificationiPhone 3GA27 Retina
Radio
  • No
  • FM radio
Other features
Other features — specifications for iPhone 3G, A27 Retina.
SpecificationiPhone 3GA27 Retina
Dop
  • Sensors Accelerometer
  • proximity - Audio/video player -TV-out -Organizer -Document viewer -Photo viewer -Predictive text input
  • Sensors Accelerometer