alcatel OT-908F vs Karbonn A4

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

    A4: 45 g lighter

    OT-908F:
    120 g
    A4:
    75 g
  • Width

    OT-908F: 8.6 mm narrower

    OT-908F:
    57.4 mm
    A4:
    66 mm
  • Screen diagonal

    OT-908F: 1.2 in smaller diagonal

    OT-908F:
    2.8 in
    A4:
    4 in
  • Depth

    A4: 2.9 mm thinner

    OT-908F:
    12.4 mm
    A4:
    9.5 mm
  • Height

    OT-908F: 14.8 mm shorter

    OT-908F:
    110 mm
    A4:
    124.8 mm
  • Release year

    OT-908F:
    2011
    A4:
    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. OT-908F

    Height:
    110 mm
    Width:
    57.4 mm
    Depth:
    12.4 mm +2.9 mm versus A4
  2. 2. A4

    Height:
    124.8 mm +14.8 mm versus OT-908F
    Width:
    66 mm +8.6 mm versus OT-908F
    Depth:
    9.5 mm

Weight

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

  1. 1. OT-908F

    120 g

    +45 g versus A4

  2. 2. A4

    75 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. OT-908F

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. A4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    47.6 cm²

A4 has approximately 96.2% more rectangular screen area than OT-908F.

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.

A4: Original memory entry

256 MB · 512 MB

Practical features

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

1. OT-908F

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

2. A4

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. OT-908F2. A4

Everyday essentials
Everyday essentials — specifications for OT-908F, A4.
SpecificationOT-908FA4
Dimensions (HxWxD)
  • 110 Х 57.4 Х 12.4 mm
  • 124.8 Х 66 Х 9.5 mm
Weight
  • 120 g
  • 75 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 4" inch
Screen resolution
  • 240 x 320 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 256 MB
  • 512 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 0 mAh,
  • 1400 mAh
  • Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 2.3.6 (Gingerbread)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-908F, A4.
SpecificationOT-908FA4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 256K
Screen area
  • 24.3 cm2
  • 47.6 cm2
Screen format
  • 4:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 38.5%
  • 57.8%
PPI /points per inch/
  • 143 PPI
  • 144 PPI
Camera and Video
Camera and Video — specifications for OT-908F, A4.
SpecificationOT-908FA4
Rear camera, main
  • 2 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 2 MP
  • 3.15 MP
Video
  • Yes
  • Yes
Front camera, selfie
  • 0 MP,
  • 0.3 MP
  • Single
General specs
General specs — specifications for OT-908F, A4.
SpecificationOT-908FA4
Release date
  • 2011
  • 2013
  • March
Colors
  • Black
  • white/black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life Unknown
  • Stand by time- Up to 250 h Talking time- Up to 4 h 20 min
Communication and Connectivity
Communication and Connectivity — specifications for OT-908F, A4.
SpecificationOT-908FA4
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network Unknown
  • Show all network frequencies: -2G - GSM 850 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 3.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR EU - 1.30 W/kg (head) 0.80 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for OT-908F, A4.
SpecificationOT-908FA4
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Other features
Other features — specifications for OT-908F, A4.
SpecificationOT-908FA4
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Facebook dedicated key -MP3/AAC+/WAV/WMA player -MP4/H.264 player -Organizer -Document viewer -Voice memo/dial -Predictive text input - For Orange
  • Sensors Accelerometer