alcatel OT-997D vs T-Mobile Comet

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

    Comet: 40.9 g lighter

    OT-997D:
    143 g
    Comet:
    102.1 g
  • Width

    Comet: 12.1 mm narrower

    OT-997D:
    68 mm
    Comet:
    55.9 mm
  • Screen diagonal

    Comet: 1.5 in smaller diagonal

    OT-997D:
    4.3 in
    Comet:
    2.8 in
  • Chipset

    OT-997D:
    Mediatek MT6577 (40 nm)
    Comet:
    Qualcomm MSM7225 Snapdragon S1
  • Depth

    OT-997D: 1.7 mm thinner

    OT-997D:
    11 mm
    Comet:
    12.7 mm
  • Height

    Comet: 25.7 mm shorter

    OT-997D:
    129.8 mm
    Comet:
    104.1 mm

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-997D

    Height:
    129.8 mm +25.7 mm versus Comet
    Width:
    68 mm +12.1 mm versus Comet
    Depth:
    11 mm
  2. 2. Comet

    Height:
    104.1 mm
    Width:
    55.9 mm
    Depth:
    12.7 mm +1.7 mm versus OT-997D

Weight

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

  1. 1. OT-997D

    143 g

    +40.9 g versus Comet

  2. 2. Comet

    102.1 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-997D

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²
  2. 2. Comet

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

OT-997D has approximately 116.8% more rectangular screen area than Comet.

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.

Recorded RAM for OT-997D, Comet, compared at the same storage capacity.
StorageOT-997DComet
4 GB 1 GB RAM Unknown

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-997D

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

2. Comet

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 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. OT-997D

    1800 mAh

    +600 mAh versus Comet

  2. 2. Comet

    1200 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. OT-997D2. Comet

Everyday essentials
Everyday essentials — specifications for OT-997D, Comet.
SpecificationOT-997DComet
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 104.1 Х 55.9 Х 12.7 mm
Weight
  • 143 g
  • 102.1 g
Technology
  • TFT
  • TFT
Screen size
  • 4.3" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
Unknown
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 2.2 (Froyo)
Chipset
  • Mediatek MT6577 (40 nm)
  • Qualcomm MSM7225 Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-997D, Comet.
SpecificationOT-997DComet
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 52.6 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 59.6%
  • 41.7%
PPI /points per inch/
  • 217 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for OT-997D, Comet.
SpecificationOT-997DComet
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • CIF
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance

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

Performance — specifications for OT-997D, Comet.
SpecificationOT-997DComet
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • 528 MHz ARM 11
Graphics processor GPU
  • PowerVR SGX531u
  • No
Antutu 7 score *
  • 9320
Unknown
General specs
General specs — specifications for OT-997D, Comet.
SpecificationOT-997DComet
Release date
  • 2012
  • July
  • 2010
  • November
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 150 EUR
Battery life
  • Stand by time- Up to 400 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h 30 min (3G)
  • Stand by time- Up to 288 h Talking time- Up to 9 h
Communication and Connectivity
Communication and Connectivity — specifications for OT-997D, Comet.
SpecificationOT-997DComet
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.0
  • A2DP
Harmful irradiation
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for OT-997D, Comet.
SpecificationOT-997DComet
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • SRS audio
Unknown
Other features
Other features — specifications for OT-997D, Comet.
SpecificationOT-997DComet
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer MP3/WMA/eAAC+ player -MP4/H.264 player -Organizer -Photo viewer/editor -Voice memo/dial/commands -Predictive text input (Swype) For T-Mobile