alcatel OT-997D vs O2 XDA Serra

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

    OT-997D: 22 g lighter

    OT-997D:
    143 g
    XDA Serra:
    165 g
  • Width

    XDA Serra: 17 mm narrower

    OT-997D:
    68 mm
    XDA Serra:
    51 mm
  • Screen diagonal

    XDA Serra: 1.5 in smaller diagonal

    OT-997D:
    4.3 in
    XDA Serra:
    2.8 in
  • Chipset

    OT-997D:
    Mediatek MT6577 (40 nm)
    XDA Serra:
    Qualcomm MSM7201A
  • Depth

    OT-997D: 7.1 mm thinner

    OT-997D:
    11 mm
    XDA Serra:
    18.1 mm
  • Height

    XDA Serra: 27.8 mm shorter

    OT-997D:
    129.8 mm
    XDA Serra:
    102 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 +27.8 mm versus XDA Serra
    Width:
    68 mm +17 mm versus XDA Serra
    Depth:
    11 mm
  2. 2. XDA Serra

    Height:
    102 mm
    Width:
    51 mm
    Depth:
    18.1 mm +7.1 mm versus OT-997D

Weight

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

  1. 1. OT-997D

    143 g

  2. 2. XDA Serra

    165 g

    +22 g versus OT-997D

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. XDA Serra

    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 XDA Serra.

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, XDA Serra, compared at the same storage capacity.
StorageOT-997DXDA Serra
4 GB 1 GB RAM Unknown
XDA Serra: Original memory entry

288 MB RAM · 512 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. OT-997D

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

2. XDA Serra

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD (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. OT-997D

    1800 mAh

    +460 mAh versus XDA Serra

  2. 2. XDA Serra

    1340 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. XDA Serra

Everyday essentials
Everyday essentials — specifications for OT-997D, XDA Serra.
SpecificationOT-997DXDA Serra
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 102 Х 51 Х 18.1 mm
Weight
  • 143 g
  • 165 g
Technology
  • TFT
  • TFT
Screen size
  • 4.3" inch
  • 2.8" inch
Screen resolution
  • 480 x 800 px
  • 480 x 640 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 288 MB RAM
  • 512 MB ROM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1340 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Microsoft Windows Mobile 6.1 Professional
Chipset
  • Mediatek MT6577 (40 nm)
  • Qualcomm MSM7201A
Headphone jack
  • Yes
  • No
Display
Display — specifications for OT-997D, XDA Serra.
SpecificationOT-997DXDA Serra
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 52.6 cm2
  • 24.3 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 59.6%
  • 46.7%
PPI /points per inch/
  • 217 PPI
  • 286 PPI
Camera and Video
Camera and Video — specifications for OT-997D, XDA Serra.
SpecificationOT-997DXDA Serra
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA videocall camera
Performance

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

Performance — specifications for OT-997D, XDA Serra.
SpecificationOT-997DXDA Serra
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • 528 MHz ARM 11
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 130
Antutu 7 score *
  • 9320
Unknown
General specs
General specs — specifications for OT-997D, XDA Serra.
SpecificationOT-997DXDA Serra
Release date
  • 2012
  • July
  • 2008
  • July
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
Unknown
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 406 h Talking time- Up to 8 h
Communication and Connectivity
Communication and Connectivity — specifications for OT-997D, XDA Serra.
SpecificationOT-997DXDA Serra
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
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • miniUSB
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, XDA Serra.
SpecificationOT-997DXDA Serra
Radio
  • Stereo FM radio
  • RDS
  • Stereo FM radio
  • RDS
Others
  • SRS audio
  • Handwriting recognition
Other features
Other features — specifications for OT-997D, XDA Serra.
SpecificationOT-997DXDA Serra
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input