Oppo A31 vs vivo iQOO Neo 855

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.

  • Display technology

    OLED versus LCD

    A31:
    LCD
    iQOO Neo 855:
    OLED
  • Weight

    A31: 18.5 g lighter

    A31:
    180 g
    iQOO Neo 855:
    198.5 g
  • Height

    iQOO Neo 855: 4.4 mm shorter

    A31:
    163.9 mm
    iQOO Neo 855:
    159.5 mm
  • Release year

    A31:
    2020
    iQOO Neo 855:
    2019

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. A31

    Height:
    163.9 mm +4.4 mm versus iQOO Neo 855
    Width:
    75.5 mm
    Depth:
    8.3 mm
  2. 2. iQOO Neo 855

    Height:
    159.5 mm
    Width:
    75.2 mm
    Depth:
    8.1 mm

Weight

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

  1. 1. A31

    180 g

  2. 2. iQOO Neo 855

    198.5 g

    +18.5 g versus A31

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. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²
  2. 2. iQOO Neo 855

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

A31 has approximately 2.1% more rectangular screen area than iQOO Neo 855.

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 A31, iQOO Neo 855, compared at the same storage capacity.
StorageA31iQOO Neo 855
64 GB Not recorded 6 GB RAM
128 GB Recorded for all phones 4 GB RAM 6 / 8 GB RAM Alternative RAM configurations
256 GB Not recorded 8 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. A31

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

2. iQOO Neo 855

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. A31

    4230 mAh

  2. 2. iQOO Neo 855

    4500 mAh

    +270 mAh versus A31

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. A312. iQOO Neo 855

Everyday essentials
Everyday essentials — specifications for A31, iQOO Neo 855.
SpecificationA31iQOO Neo 855
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 159.5 Х 75.2 Х 8.1 mm
Weight
  • 180 g
  • 198.5 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 6.5" inch
  • 6.38" inch
Screen resolution
  • 720 x 1600 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
  • 128GB 8GB RAM
  • 256GB 8GB RAM
Memory card support
  • microSDXC (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 4500 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 9.0 (Pie); Funtouch 9
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
  • Qualcomm SM8150 Snapdragon 855 (7 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A31, iQOO Neo 855.
SpecificationA31iQOO Neo 855
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 99.9 cm2
Screen format
  • 20:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 82.4%
  • 83.3%
PPI /points per inch/
  • 270 PPI
  • 404 PPI
Camera and Video
Camera and Video — specifications for A31, iQOO Neo 855.
SpecificationA31iQOO Neo 855
Rear camera, main
  • 12 MP
  • Triple
  • 12 MP
  • Triple
Camera specs
  • 12 MP
  • f/1.8
  • (wide)
  • PDAF -2 MP
  • f/2.4
  • 27mm (macro)
  • 1/5.0''
  • 1.75µm -2 MP
  • (depth)
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -8 MP
  • f/2.2
  • (wide) -2 MP
  • f/2.4
  • depth sensor
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 16 MP
  • f/2.0
  • 26mm (wide)
  • 1/3.1"
  • 1.0µm
Performance

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

Performance — specifications for A31, iQOO Neo 855.
SpecificationA31iQOO Neo 855
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 640
Antutu 8 score *
  • 105221
  • 425118
General specs
General specs — specifications for A31, iQOO Neo 855.
SpecificationA31iQOO Neo 855
Release date
  • 2020
  • February 13
  • 2019
  • October
Colors
  • Fantasy White
  • Mystery Black
  • Purple
  • Aurora White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 230 USD
Body build
  • Glass front
  • plastic back
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A31, iQOO Neo 855.
SpecificationA31iQOO Neo 855
SIM card
  • Dual SIM (Nano-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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 8(900)
  • 19(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
USB
  • microUSB 2.0
  • USB On-The-Go
  • Type-C 1.0 reversible connector
  • USB On-The-Go
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX
Music and Audio
Music and Audio — specifications for A31, iQOO Neo 855.
SpecificationA31iQOO Neo 855
Radio
  • FM radio
  • No
Others
  • 480 nits typ. brightness
  • HDR10
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A31, iQOO Neo 855.
SpecificationA31iQOO Neo 855
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 33W