alcatel OT-997D vs Thuraya SG-2520

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: 27 g lighter

    OT-997D:
    143 g
    SG-2520:
    170 g
  • Width

    SG-2520: 15 mm narrower

    OT-997D:
    68 mm
    SG-2520:
    53 mm
  • Screen diagonal

    SG-2520: 2.4 in smaller diagonal

    OT-997D:
    4.3 in
    SG-2520:
    1.9 in
  • Depth

    OT-997D: 7.8 mm thinner

    OT-997D:
    11 mm
    SG-2520:
    18.8 mm
  • Height

    OT-997D: 8.7 mm shorter

    OT-997D:
    129.8 mm
    SG-2520:
    138.5 mm
  • Release year

    OT-997D:
    2012
    SG-2520:
    2007

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 +15 mm versus SG-2520
    Depth:
    11 mm
  2. 2. SG-2520

    Height:
    138.5 mm +8.7 mm versus OT-997D
    Width:
    53 mm
    Depth:
    18.8 mm +7.8 mm versus OT-997D

Weight

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

  1. 1. OT-997D

    143 g

  2. 2. SG-2520

    170 g

    +27 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. OT-997D

    Screen diagonal:
    4.3 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    52.6 cm²
  2. 2. SG-2520

    SG-2520: Screen geometry unavailable or conflicting.

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, SG-2520, compared at the same storage capacity.
StorageOT-997DSG-2520
4 GB 1 GB RAM Unknown
SG-2520: Original memory entry

128 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-997D

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

2. SG-2520

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SD ( 128 MB 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

    +520 mAh versus SG-2520

  2. 2. SG-2520

    1280 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. SG-2520

Everyday essentials
Everyday essentials — specifications for OT-997D, SG-2520.
SpecificationOT-997DSG-2520
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 138.5 Х 53 Х 18.8 mm
Weight
  • 143 g
  • 170 g
Technology
  • TFT
  • TFT
Screen size
  • 4.3" inch
  • 1.9" inch
Screen resolution
  • 480 x 800 px
  • 176 x 220 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 128 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • SD ( 128 MB included )
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1280 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • WinCE 4.2
Chipset
  • Mediatek MT6577 (40 nm)
Unknown
Headphone jack
  • Yes
  • No
Display
Display — specifications for OT-997D, SG-2520.
SpecificationOT-997DSG-2520
Touchscreen
  • capacitive touchscreen
Unknown
Display colors
  • 16M
  • 256K
Screen area
  • 52.6 cm2
  • 11.4 cm2
Screen format
  • 5:3 (height:width)
Unknown
Screen to body ratio
  • 59.6%
  • 15.5%
PPI /points per inch/
  • 217 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for OT-997D, SG-2520.
SpecificationOT-997DSG-2520
Rear camera, main
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
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, SG-2520.
SpecificationOT-997DSG-2520
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
Unknown
Graphics processor GPU
  • PowerVR SGX531u
Unknown
Antutu 7 score *
  • 9320
Unknown
General specs
General specs — specifications for OT-997D, SG-2520.
SpecificationOT-997DSG-2520
Release date
  • 2012
  • July
  • 2007
  • March
Colors
  • Black
  • White
  • Light Silver
  • Dark Gray
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 75 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for OT-997D, SG-2520.
SpecificationOT-997DSG-2520
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
Unknown
Speed
  • HSPA 7.2/5.76 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • 1.1
Bluetooth
  • 4.0
  • A2DP
  • 1.1
Harmful irradiation
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for OT-997D, SG-2520.
SpecificationOT-997DSG-2520
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • SRS audio
  • Wallpapers
  • screensavers
Other features
Other features — specifications for OT-997D, SG-2520.
SpecificationOT-997DSG-2520
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Infrared port - MP3/AAC/MP4/AMR player -eZi Text Input -Organizer -Voice memo -File browser