Asus P550 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: 33.5 g lighter

    P550:
    160 g
    A27 Retina:
    126.5 g
  • Width

    P550: 7 mm narrower

    P550:
    59 mm
    A27 Retina:
    66 mm
  • Screen diagonal

    P550: 1.5 in smaller diagonal

    P550:
    2.8 in
    A27 Retina:
    4.3 in
  • Depth

    A27 Retina: 9.9 mm thinner

    P550:
    19 mm
    A27 Retina:
    9.1 mm
  • Height

    P550: 16.8 mm shorter

    P550:
    116.8 mm
    A27 Retina:
    133.6 mm
  • Release year

    P550:
    2006
    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. P550

    Height:
    116.8 mm
    Width:
    59 mm
    Depth:
    19 mm +9.9 mm versus A27 Retina
  2. 2. A27 Retina

    Height:
    133.6 mm +16.8 mm versus P550
    Width:
    66 mm +7 mm versus P550
    Depth:
    9.1 mm

Weight

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

  1. 1. P550

    160 g

    +33.5 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. P550

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 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 109.9% more rectangular screen area than P550.

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.

P550: Original memory entry

128 MB

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. P550

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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. P550

    1300 mAh

  2. 2. A27 Retina

    1800 mAh

    +500 mAh versus P550

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. P5502. A27 Retina

Everyday essentials
Everyday essentials — specifications for P550, A27 Retina.
SpecificationP550A27 Retina
Dimensions (HxWxD)
  • 116.8 Х 59 Х 19 mm
  • 133.6 Х 66 Х 9.1 mm
Weight
  • 160 g
  • 126.5 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 4.3" inch
Screen resolution
  • 240 x 320 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 MB
  • 4 GB
  • 512 MB RAM
Memory card support
  • miniSD
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 1800 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Mobile 5.0 PocketPC
  • Android 4.1 (Jelly Bean)
Headphone jack
  • No
  • Yes
Display
Display — specifications for P550, A27 Retina.
SpecificationP550A27 Retina
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
Unknown
Screen area
  • 24.3 cm2
  • 51.0 cm2
Screen format
  • 4:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 35.2%
  • 57.8%
PPI /points per inch/
  • 143 PPI
  • 256 PPI
Camera and Video
Camera and Video — specifications for P550, A27 Retina.
SpecificationP550A27 Retina
Rear camera, main
  • 2 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 2 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 2 MP
  • Single
Specifications Unknown
  • 2 MP
Performance
Performance — specifications for P550, A27 Retina.
SpecificationP550A27 Retina
Processor CPU
  • Intel XScale 416 MHz
  • Dual-core 1.2 GHz
General specs
General specs — specifications for P550, A27 Retina.
SpecificationP550A27 Retina
Release date
  • 2006
  • March
  • 2013
  • March
Colors
  • Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 160 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 5 h
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for P550, A27 Retina.
SpecificationP550A27 Retina
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed Unknown
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 10
  • Yes
Edge
  • No
  • Yes
Wi-Fi
  • Wi-Fi 802.11b
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • miniUSB
  • Proprietary
Bluetooth
  • 2.0
  • Yes
Harmful irradiation Unknown
  • SAR EU - 1.00 W/kg (head)
Music and Audio
Music and Audio — specifications for P550, A27 Retina.
SpecificationP550A27 Retina
Radio
  • No
  • FM radio
Other features
Other features — specifications for P550, A27 Retina.
SpecificationP550A27 Retina
Dop
  • Infrared port - Business card scanner -Voice Recognition and Hand-free mode -Information Security -Flight Mode -MP3 Player -Pocket Office -Organizer -Voice memo -World time -Currency converter -Stopwatch
  • Sensors Accelerometer