alcatel OT-997D vs Celkon Q455

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

    Q455: 13 g lighter

    OT-997D:
    143 g
    Q455:
    130 g
  • Screen diagonal

    OT-997D: 0.2 in smaller diagonal

    OT-997D:
    4.3 in
    Q455:
    4.5 in
  • Depth

    Q455: 3.1 mm thinner

    OT-997D:
    11 mm
    Q455:
    7.9 mm
  • Height

    OT-997D: 6.7 mm shorter

    OT-997D:
    129.8 mm
    Q455:
    136.5 mm
  • Release year

    OT-997D:
    2012
    Q455:
    2014

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
    Width:
    68 mm
    Depth:
    11 mm +3.1 mm versus Q455
  2. 2. Q455

    Height:
    136.5 mm +6.7 mm versus OT-997D
    Width:
    68 mm
    Depth:
    7.9 mm

Weight

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

  1. 1. OT-997D

    143 g

    +13 g versus Q455

  2. 2. Q455

    130 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. Q455

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

Q455 has approximately 6.1% more rectangular screen area than OT-997D.

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, Q455, compared at the same storage capacity.
StorageOT-997DQ455
4 GB 1 GB RAM Not recorded
16 GB Not recorded 1 GB 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. OT-997D

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

2. Q455

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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

  2. 2. Q455

    2000 mAh

    +200 mAh versus OT-997D

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. Q455

Everyday essentials
Everyday essentials — specifications for OT-997D, Q455.
SpecificationOT-997DQ455
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 136.5 Х 68 Х 7.9 mm
Weight
  • 143 g
  • 130 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.3" inch
  • 4.5" inch
Screen resolution
  • 480 x 800 px
  • 540 x 960 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 64 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6577 (40 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-997D, Q455.
SpecificationOT-997DQ455
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 52.6 cm2
  • 55.8 cm2
Screen format
  • 5:3 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 59.6%
  • 60.1%
PPI /points per inch/
  • 217 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for OT-997D, Q455.
SpecificationOT-997DQ455
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • VGA
  • 1.3 MP
Performance

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

Performance — specifications for OT-997D, Q455.
SpecificationOT-997DQ455
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Quad-core 1.2
Graphics processor GPU
  • PowerVR SGX531u
Unknown
Antutu 7 score *
  • 9320
Unknown
General specs
General specs — specifications for OT-997D, Q455.
SpecificationOT-997DQ455
Release date
  • 2012
  • July
  • 2014
Colors
  • Black
  • White
  • White
  • Black
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 100 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)
  • Talking time- Up to 6 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for OT-997D, Q455.
SpecificationOT-997DQ455
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
Harmful irradiation
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
  • SAR EU - 0.47 W/kg (head) 0.41 W/kg (body)
Music and Audio
Music and Audio — specifications for OT-997D, Q455.
SpecificationOT-997DQ455
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • SRS audio
Unknown
Other features
Other features — specifications for OT-997D, Q455.
SpecificationOT-997DQ455
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity