alcatel OT-997D vs Xiaomi Mi A3

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: 30.8 g lighter

    OT-997D:
    143 g
    Mi A3:
    173.8 g
  • Width

    OT-997D: 3.9 mm narrower

    OT-997D:
    68 mm
    Mi A3:
    71.9 mm
  • Screen diagonal

    OT-997D: 1.71 in smaller diagonal

    OT-997D:
    4.3 in
    Mi A3:
    6.01 in
  • Chipset

    OT-997D:
    Mediatek MT6577 (40 nm)
    Mi A3:
    Qualcomm SDM665 Snapdragon 665 (11 nm)
  • Rear camera layout

    OT-997D:
    Single
    Mi A3:
    Triple
  • Depth

    Mi A3: 2.5 mm thinner

    OT-997D:
    11 mm
    Mi A3:
    8.5 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 +2.5 mm versus Mi A3
  2. 2. Mi A3

    Height:
    153.5 mm +23.7 mm versus OT-997D
    Width:
    71.9 mm +3.9 mm versus OT-997D
    Depth:
    8.5 mm

Weight

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

  1. 1. OT-997D

    143 g

  2. 2. Mi A3

    173.8 g

    +30.8 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. Mi A3

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

Mi A3 has approximately 68.5% 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, Mi A3, compared at the same storage capacity.
StorageOT-997DMi A3
4 GB 1 GB RAM Unknown
Mi A3: Original memory entry

64/128 GB · 512GB 4GB

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. Mi A3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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. Mi A3

    4030 mAh

    +2230 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. Mi A3

Everyday essentials
Everyday essentials — specifications for OT-997D, Mi A3.
SpecificationOT-997DMi A3
Dimensions (HxWxD)
  • 129.8 Х 68 Х 11 mm
  • 153.5 Х 71.9 Х 8.5 mm
Weight
  • 143 g
  • 173.8 g
Technology
  • TFT
  • Super AMOLED
Screen size
  • 4.3" inch
  • 6.01" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 64/128 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 4030 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.0 (Ice Cream Sandwich)
  • Android 9.0 (Pie); Android One
Chipset
  • Mediatek MT6577 (40 nm)
  • Qualcomm SDM665 Snapdragon 665 (11 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for OT-997D, Mi A3.
SpecificationOT-997DMi A3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 52.6 cm2
  • 88.7 cm2
Screen format
  • 5:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 59.6%
  • 80.3%
PPI /points per inch/
  • 217 PPI
  • 286 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for OT-997D, Mi A3.
SpecificationOT-997DMi A3
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 8 MP
  • AF
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -8 MP
  • (ultrawide)
  • f/2.2
  • 1.12µm -2 MP
  • f/2.4
  • depth sensor
Functions
  • LED flash
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 32 MP
  • Single
Specifications
  • VGA
  • 32 MP
  • f/2.0
  • 0.8µm
Performance

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

Performance — specifications for OT-997D, Mi A3.
SpecificationOT-997DMi A3
Processor CPU
  • Dual-core 1.0 GHz Cortex-A9
  • Octa-core (2x2.0 GHz Kryo 260 Gold & 6x1.8 GHz Kryo 260 Silver)
Graphics processor GPU
  • PowerVR SGX531u
  • Adreno 610
Antutu 7 score *
  • 9320
  • 142658
GeekBench 4 Single Core * Unknown
  • 1501
GeekBench 4 Multi-Core * Unknown
  • 5662
Antutu 8 score * Unknown
  • 177109
GeekBench 5 Single Core * Unknown
  • 312
GeekBench 5 Multi-Core * Unknown
  • 1357
General specs
General specs — specifications for OT-997D, Mi A3.
SpecificationOT-997DMi A3
Release date
  • 2012
  • July
  • 2019
  • July
Colors
  • Black
  • White
  • Kind of Gray
  • Not just Blue
  • More than White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 280 EUR
  • 250 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
Body build Unknown
  • Back glass (Gorilla Glass 5)
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for OT-997D, Mi A3.
SpecificationOT-997DMi A3
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 -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 28(700)
  • 38(2600)
  • 40(2300) - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) 450/50 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
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Harmful irradiation
  • SAR - 0.50 W/kg (head) 0.74 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for OT-997D, Mi A3.
SpecificationOT-997DMi A3
Radio
  • Stereo FM radio
  • RDS
  • FM radio
Others
  • SRS audio
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for OT-997D, Mi A3.
SpecificationOT-997DMi A3
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 3)