alcatel OT-997D vs Lenovo A789

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: 11.8 g lighter

    OT-997D:
    143 g
    A789:
    154.8 g
  • Width

    A789: 2.6 mm narrower

    OT-997D:
    68 mm
    A789:
    65.4 mm
  • Screen diagonal

    A789: 0.3 in smaller diagonal

    OT-997D:
    4.3 in
    A789:
    4 in
  • Depth

    OT-997D: 2.2 mm thinner

    OT-997D:
    11 mm
    A789:
    13.2 mm
  • Height

    A789: 3.2 mm shorter

    OT-997D:
    129.8 mm
    A789:
    126.6 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 +3.2 mm versus A789
    Width:
    68 mm +2.6 mm versus A789
    Depth:
    11 mm
  2. 2. A789

    Height:
    126.6 mm
    Width:
    65.4 mm
    Depth:
    13.2 mm +2.2 mm versus OT-997D

Weight

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

  1. 1. OT-997D

    143 g

  2. 2. A789

    154.8 g

    +11.8 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. A789

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

OT-997D has approximately 15.6% more rectangular screen area than A789.

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, A789, compared at the same storage capacity.
StorageOT-997DA789
4 GB 1 GB RAM Unknown
A789: Original memory entry

4 GB · 512 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. A789

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

  2. 2. A789

    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. A789

Everyday essentials
Everyday essentials — specifications for OT-997D, A789.
SpecificationOT-997DA789
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 126.6 Х 65.4 Х 13.2 mm
Weight
  • 143 g
  • 154.8 g
Technology
  • TFT
  • TFT
Screen size
  • 4.3" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 4 GB
  • 512 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
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 4.0.4 (Ice Cream Sandwich)
Chipset
  • Mediatek MT6577 (40 nm)
  • Mediatek MT6577 (40 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-997D, A789.
SpecificationOT-997DA789
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 52.6 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 59.6%
  • 55.0%
PPI /points per inch/
  • 217 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for OT-997D, A789.
SpecificationOT-997DA789
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 5 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • 720p
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance

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

Performance — specifications for OT-997D, A789.
SpecificationOT-997DA789
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • PowerVR SGX531u
  • PowerVR SGX531u
Antutu 7 score *
  • 9320
Unknown
General specs
General specs — specifications for OT-997D, A789.
SpecificationOT-997DA789
Release date
  • 2012
  • July
  • 2012
  • June
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)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for OT-997D, A789.
SpecificationOT-997DA789
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 850 / 900 / 1800 / 1900 - 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
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • Yes
Harmful irradiation
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
  • SAR EU - 0.44 W/kg (head)
Music and Audio
Music and Audio — specifications for OT-997D, A789.
SpecificationOT-997DA789
Radio
  • Stereo FM radio
  • RDS
  • FM radio
  • FM transmitter
Others
  • SRS audio
Unknown
Other features
Other features — specifications for OT-997D, A789.
SpecificationOT-997DA789
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity