alcatel OT-997D vs Samsung DoubleTime I857

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: 5 g lighter

    OT-997D:
    143 g
    DoubleTime I857:
    148 g
  • Width

    DoubleTime I857: 6 mm narrower

    OT-997D:
    68 mm
    DoubleTime I857:
    62 mm
  • Screen diagonal

    DoubleTime I857: 1.1 in smaller diagonal

    OT-997D:
    4.3 in
    DoubleTime I857:
    3.2 in
  • Chipset

    OT-997D:
    Mediatek MT6577 (40 nm)
    DoubleTime I857:
    Qualcomm MSM7230
  • Depth

    OT-997D: 4 mm thinner

    OT-997D:
    11 mm
    DoubleTime I857:
    15 mm
  • Height

    DoubleTime I857: 16.8 mm shorter

    OT-997D:
    129.8 mm
    DoubleTime I857:
    113 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 +16.8 mm versus DoubleTime I857
    Width:
    68 mm +6 mm versus DoubleTime I857
    Depth:
    11 mm
  2. 2. DoubleTime I857

    Height:
    113 mm
    Width:
    62 mm
    Depth:
    15 mm +4 mm versus OT-997D

Weight

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

  1. 1. OT-997D

    143 g

  2. 2. DoubleTime I857

    148 g

    +5 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. DoubleTime I857

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

OT-997D has approximately 72.6% more rectangular screen area than DoubleTime I857.

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, DoubleTime I857, compared at the same storage capacity.
StorageOT-997DDoubleTime I857
4 GB 1 GB RAM Unknown
DoubleTime I857: Original memory entry

260 MB · 256 MB 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. DoubleTime I857

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.

Recorded battery capacity

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

  1. 1. OT-997D

    1800 mAh

    +600 mAh versus DoubleTime I857

  2. 2. DoubleTime I857

    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. DoubleTime I857

Everyday essentials
Everyday essentials — specifications for OT-997D, DoubleTime I857.
SpecificationOT-997DDoubleTime I857
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 113 Х 62 Х 15 mm
Weight
  • 143 g
  • 148 g
Technology
  • TFT
  • TFT
Screen size
  • 4.3" inch
  • 3.2" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 260 MB
  • 256 MB RAM
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.
  • 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 MSM7230
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-997D, DoubleTime I857.
SpecificationOT-997DDoubleTime I857
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 52.6 cm2
  • 30.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 59.6%
  • 43.5%
PPI /points per inch/
  • 217 PPI
  • 180 PPI
Camera and Video
Camera and Video — specifications for OT-997D, DoubleTime I857.
SpecificationOT-997DDoubleTime I857
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • 320p
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, DoubleTime I857.
SpecificationOT-997DDoubleTime I857
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • 800 MHz Scorpion
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 205
Antutu 7 score *
  • 9320
Unknown
General specs
General specs — specifications for OT-997D, DoubleTime I857.
SpecificationOT-997DDoubleTime I857
Release date
  • 2012
  • July
  • 2011
  • October
Colors
  • Black
  • White
  • Black/White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 70 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 250 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for OT-997D, DoubleTime I857.
SpecificationOT-997DDoubleTime I857
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 7.2/2 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 3.0
  • A2DP
Harmful irradiation
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
  • SAR - 0.54 W/kg (head) 0.97 W/kg (body)
Music and Audio
Music and Audio — specifications for OT-997D, DoubleTime I857.
SpecificationOT-997DDoubleTime I857
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • SRS audio
  • Secondary TFT capacitive touchscreen (with multitouch)
  • 320 x 480 pixels
  • 3.2 inches
Other features
Other features — specifications for OT-997D, DoubleTime I857.
SpecificationOT-997DDoubleTime I857
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass - MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Photo/video editor -Document viewer -Voice memo/dial/commands -Predictive text input - For AT&T