alcatel OT-997D vs vivo NEX Dual Display

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: 56 g lighter

    OT-997D:
    143 g
    NEX Dual Display:
    199 g
  • Width

    OT-997D: 7.3 mm narrower

    OT-997D:
    68 mm
    NEX Dual Display:
    75.3 mm
  • Screen diagonal

    OT-997D: 2.09 in smaller diagonal

    OT-997D:
    4.3 in
    NEX Dual Display:
    6.39 in
  • Chipset

    OT-997D:
    Mediatek MT6577 (40 nm)
    NEX Dual Display:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    OT-997D:
    Single
    NEX Dual Display:
    Triple
  • Depth

    NEX Dual Display: 2.9 mm thinner

    OT-997D:
    11 mm
    NEX Dual Display:
    8.1 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
    Width:
    68 mm
    Depth:
    11 mm +2.9 mm versus NEX Dual Display
  2. 2. NEX Dual Display

    Height:
    157.2 mm +27.4 mm versus OT-997D
    Width:
    75.3 mm +7.3 mm versus OT-997D
    Depth:
    8.1 mm

Weight

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

  1. 1. OT-997D

    143 g

  2. 2. NEX Dual Display

    199 g

    +56 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. NEX Dual Display

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

NEX Dual Display has approximately 90.5% 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, NEX Dual Display, compared at the same storage capacity.
StorageOT-997DNEX Dual Display
4 GB 1 GB RAM Not recorded
128 GB Not recorded 10 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. NEX Dual Display

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. NEX Dual Display

    3500 mAh

    +1700 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. NEX Dual Display

Everyday essentials
Everyday essentials — specifications for OT-997D, NEX Dual Display.
SpecificationOT-997DNEX Dual Display
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 157.2 Х 75.3 Х 8.1 mm
Weight
  • 143 g
  • 199 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 4.3" inch
  • 6.39" inch
Screen resolution
  • 480 x 800 px
  • 1080 x 2340 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 GB
  • 10 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 9.0 (Pie); Funtouch 4.5
Chipset
  • Mediatek MT6577 (40 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-997D, NEX Dual Display.
SpecificationOT-997DNEX Dual Display
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 52.6 cm2
  • 100.2 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 59.6%
  • 84.7%
PPI /points per inch/
  • 217 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for OT-997D, NEX Dual Display.
SpecificationOT-997DNEX Dual Display
Rear camera, main
  • 8 MP
  • Single
  • 12 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • Dual Pixel PDAF -2 MP
  • depth sensor -TOF camera
  • f/1.3
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 12 MP
  • Triple
Specifications
  • VGA
  • Uses main cameras
Performance

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

Performance — specifications for OT-997D, NEX Dual Display.
SpecificationOT-997DNEX Dual Display
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 630
Antutu 7 score *
  • 9320
Unknown
Antutu 8 score * Unknown
  • 340355
General specs
General specs — specifications for OT-997D, NEX Dual Display.
SpecificationOT-997DNEX Dual Display
Release date
  • 2012
  • July
  • 2018
  • December
Colors
  • Black
  • White
  • Polar Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 700 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, NEX Dual Display.
SpecificationOT-997DNEX Dual Display
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
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 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 19(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • BDS
  • GNSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for OT-997D, NEX Dual Display.
SpecificationOT-997DNEX Dual Display
Radio
  • Stereo FM radio
  • RDS
  • No
Others
  • SRS audio
  • Secondary display (on the back): -Super AMOLED
  • 5.49 inches
  • 1080 x 1920 pixels
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for OT-997D, NEX Dual Display.
SpecificationOT-997DNEX Dual Display
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 10V/2.25A 22.5W