Karbonn A27 Retina vs Philips D908

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.

  • Width

    D908: 9.8 mm narrower

    A27 Retina:
    66 mm
    D908:
    56.2 mm
  • Screen diagonal

    D908: 1.1 in smaller diagonal

    A27 Retina:
    4.3 in
    D908:
    3.2 in
  • Depth

    A27 Retina: 5.8 mm thinner

    A27 Retina:
    9.1 mm
    D908:
    14.9 mm
  • Height

    D908: 22.6 mm shorter

    A27 Retina:
    133.6 mm
    D908:
    111 mm
  • Release year

    A27 Retina:
    2013
    D908:
    2009

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. A27 Retina

    Height:
    133.6 mm +22.6 mm versus D908
    Width:
    66 mm +9.8 mm versus D908
    Depth:
    9.1 mm
  2. 2. D908

    Height:
    111 mm
    Width:
    56.2 mm
    Depth:
    14.9 mm +5.8 mm versus A27 Retina

Weight

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

  1. 1. A27 Retina

    126.5 g

  2. 2. D908

    129 g

    +2.5 g versus A27 Retina

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. A27 Retina

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    51 cm²
  2. 2. D908

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

A27 Retina has approximately 74.9% more rectangular screen area than D908.

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.

A27 Retina: Original memory entry

4 GB · 512 MB RAM

D908: Original memory entry

128 MB RAM · 256 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A27 Retina

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

2. D908

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 4 GB included

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. A27 Retina

    1800 mAh

    +420 mAh versus D908

  2. 2. D908

    1380 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. A27 Retina2. D908

Everyday essentials
Everyday essentials — specifications for A27 Retina, D908.
SpecificationA27 RetinaD908
Dimensions (HxWxD)
  • 133.6 Х 66 Х 9.1 mm
  • 111 Х 56.2 Х 14.9 mm
Weight
  • 126.5 g
  • 129 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.3" inch
  • 3.2" inch
Screen resolution
  • 540 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.
  • 4 GB
  • 512 MB RAM
  • 128 MB RAM
  • 256 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 4 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Li-Ion
  • 1380 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.1 (Jelly Bean)
  • Microsoft Windows Mobile 6.5 Professional
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A27 Retina, D908.
SpecificationA27 RetinaD908
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Screen area
  • 51.0 cm2
  • 29.1 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 57.8%
  • 46.7%
PPI /points per inch/
  • 256 PPI
  • 292 PPI
Camera and Video
Camera and Video — specifications for A27 Retina, D908.
SpecificationA27 RetinaD908
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 480p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for A27 Retina, D908.
SpecificationA27 RetinaD908
Processor CPU
  • Dual-core 1.2 GHz
Unknown
General specs
General specs — specifications for A27 Retina, D908.
SpecificationA27 RetinaD908
Release date
  • 2013
  • March
  • 2009
  • December
Colors
  • Black
  • Titanium Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 160 EUR
Unknown
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 4 h
  • Stand by time- Up to 180 h Talking time- Up to 4 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for A27 Retina, D908.
SpecificationA27 RetinaD908
SIM card
  • Dual SIM (Mini-SIM)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 CDMA 800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • EV-DO Rev.0
  • 153.2 Kbps
GPRS
  • Yes
  • No
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • Proprietary
  • 2.0
Bluetooth
  • Yes
  • 2.1
  • A2DP
Harmful irradiation
  • SAR EU - 1.00 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A27 Retina, D908.
SpecificationA27 RetinaD908
Radio
  • FM radio
  • No
Others Unknown
  • Handwriting recognition
Other features
Other features — specifications for A27 Retina, D908.
SpecificationA27 RetinaD908
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer MP3/WAV/WMA/AAC+ player -MP4/WMV/H.263 player -Organizer -Pocket Office -Voice memo -Predictive text input