Oppo A83 vs Xiaomi MI-2a

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

    MI-2a: 10 g lighter

    A83:
    143 g
    MI-2a:
    133 g
  • Width

    MI-2a: 6.6 mm narrower

    A83:
    73.1 mm
    MI-2a:
    66.5 mm
  • Screen diagonal

    MI-2a: 1.2 in smaller diagonal

    A83:
    5.7 in
    MI-2a:
    4.5 in
  • Depth

    A83: 1.8 mm thinner

    A83:
    7.7 mm
    MI-2a:
    9.5 mm
  • Height

    MI-2a: 17.5 mm shorter

    A83:
    150.5 mm
    MI-2a:
    133 mm
  • Release year

    A83:
    2018
    MI-2a:
    2013

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. A83

    Height:
    150.5 mm +17.5 mm versus MI-2a
    Width:
    73.1 mm +6.6 mm versus MI-2a
    Depth:
    7.7 mm
  2. 2. MI-2a

    Height:
    133 mm
    Width:
    66.5 mm
    Depth:
    9.5 mm +1.8 mm versus A83

Weight

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

  1. 1. A83

    143 g

    +10 g versus MI-2a

  2. 2. MI-2a

    133 g

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. A83

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²
  2. 2. MI-2a

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²

A83 has approximately 50.2% more rectangular screen area than MI-2a.

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 A83, MI-2a, compared at the same storage capacity.
StorageA83MI-2a
16 GB Unknown 1 GB RAM
A83: Original memory entry

64/32 GB · 4 GB RAM 32 GB · 3 GB RAM 16 GB · 2 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. A83

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. MI-2a

NFC:
Yes
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. A83

    3180 mAh

    +1150 mAh versus MI-2a

  2. 2. MI-2a

    2030 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. A832. MI-2a

Everyday essentials
Everyday essentials — specifications for A83, MI-2a.
SpecificationA83MI-2a
Dimensions (HxWxD)
  • 150.5 Х 73.1 Х 7.7 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 143 g
  • 133 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.7" inch
  • 4.5" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64/32 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3180 mAh
  • Non-removable Li-Ion
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 7.1 (Nougat); ColorOS 3.2
  • Android 4.1 (Jelly Bean)
Chipset
  • Mediatek MT6763T Helio P23 (16 nm)
  • Xiaolong S4 Pro
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A83, MI-2a.
SpecificationA83MI-2a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.8 cm2
  • 55.8 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 76.2%
  • 63.1%
PPI /points per inch/
  • 282 PPI
  • 326 PPI
Camera and Video
Camera and Video — specifications for A83, MI-2a.
SpecificationA83MI-2a
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.2
  • 8 MP
  • AF
  • f/2.0
Functions
  • LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/2.2
  • 2 MP
Performance

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

Performance — specifications for A83, MI-2a.
SpecificationA83MI-2a
Processor CPU
  • Octa-core 2.5 GHz Cortex-A53
  • Dual-core 1.7 GHz
Graphics processor GPU
  • Mali-G71 MP2
  • Adreno 320
Antutu 7 score *
  • 80225
  • 21326
GeekBench 4 Single Core *
  • 863
  • 742
GeekBench 4 Multi-Core *
  • 3612
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for A83, MI-2a.
SpecificationA83MI-2a
Release date
  • 2018
  • January
  • 2013
Colors
  • Gold
  • Black
  • Red
  • Blue
  • Black (front panel)
  • 4 color options (back panel)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 200 EUR
Unknown
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A83, MI-2a.
SpecificationA83MI-2a
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 - India
  • Thailand
  • Pakistan HSDPA 850 / 900 / 1900 / 2100 - China -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500) - India
  • Thailand LTE band 1(2100)
  • 7(2600)
  • 34(2000)
  • 39(1900)
  • 41(2500) - China (A83t) LTE band 1(2100)
  • 41(2500) - Pakistan
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for A83, MI-2a.
SpecificationA83MI-2a
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A83, MI-2a.
SpecificationA83MI-2a
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass