Allview A4 Duo vs Oppo A83

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

    A4 Duo: 32.4 g lighter

    A4 Duo:
    110.6 g
    A83:
    143 g
  • Width

    A4 Duo: 9.9 mm narrower

    A4 Duo:
    63.2 mm
    A83:
    73.1 mm
  • Screen diagonal

    A4 Duo: 2.2 in smaller diagonal

    A4 Duo:
    3.5 in
    A83:
    5.7 in
  • Depth

    A83: 4.3 mm thinner

    A4 Duo:
    12 mm
    A83:
    7.7 mm
  • Height

    A4 Duo: 34.4 mm shorter

    A4 Duo:
    116.1 mm
    A83:
    150.5 mm
  • Release year

    A4 Duo:
    2013
    A83:
    2018

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. A4 Duo

    Height:
    116.1 mm
    Width:
    63.2 mm
    Depth:
    12 mm +4.3 mm versus A83
  2. 2. A83

    Height:
    150.5 mm +34.4 mm versus A4 Duo
    Width:
    73.1 mm +9.9 mm versus A4 Duo
    Depth:
    7.7 mm

Weight

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

  1. 1. A4 Duo

    110.6 g

  2. 2. A83

    143 g

    +32.4 g versus A4 Duo

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. A4 Duo

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. A83

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²

A83 has approximately 129.9% more rectangular screen area than A4 Duo.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

A4 Duo: Original memory entry

512 MB RAM - Liquid M2208 GB

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. A4 Duo

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details panorama

2. A83

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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. A4 Duo

    1200 mAh

  2. 2. A83

    3180 mAh

    +1980 mAh versus A4 Duo

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. A4 Duo2. A83

Everyday essentials
Everyday essentials — specifications for A4 Duo, A83.
SpecificationA4 DuoA83
Dimensions (HxWxD)
  • 116.1 Х 63.2 Х 12 mm
  • 150.5 Х 73.1 Х 7.7 mm
Weight
  • 110.6 g
  • 143 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5.7" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB RAM - Liquid M2208 GB
  • 64/32 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • panorama
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 3180 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 7.1 (Nougat); ColorOS 3.2
Chipset Unknown
  • Mediatek MT6763T Helio P23 (16 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A4 Duo, A83.
SpecificationA4 DuoA83
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 36.5 cm2
  • 83.8 cm2
Screen format
  • 3:2 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 149.7 g
  • 76.2%
PPI /points per inch/
  • 165 PPI
  • 282 PPI
Camera and Video
Camera and Video — specifications for A4 Duo, A83.
SpecificationA4 DuoA83
Rear camera, main
  • 2 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 2 MP
  • 13 MP
  • AF
  • f/2.2
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications
  • Super AMOLED
  • 8 MP
  • f/2.2
Performance

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

Performance — specifications for A4 Duo, A83.
SpecificationA4 DuoA83
Processor CPU
  • Dual-core 1.0 GHz Cotex-A7
  • Octa-core 2.5 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-G71 MP2
Antutu 7 score *
  • 11698
  • 80225
GeekBench 4 Single Core * Unknown
  • 863
GeekBench 4 Multi-Core * Unknown
  • 3612
General specs
General specs — specifications for A4 Duo, A83.
SpecificationA4 DuoA83
Release date
  • 2013
  • November
  • 2018
  • January
Colors
  • Black
  • Gold
  • Black
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 8 h 20 min
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for A4 Duo, A83.
SpecificationA4 DuoA83
SIM card
  • Dual SIM (dual stand-by)
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
  • 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
Speed
  • HSPA 42.2/5.76 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi Direct
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • panorama
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A4 Duo, A83.
SpecificationA4 DuoA83
Radio
  • FM radio
  • No
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A4 Duo, A83.
SpecificationA4 DuoA83
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer
  • proximity
  • compass