Oppo A31 vs Xiaomi Mi 6

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 6: 12 g lighter

    A31:
    180 g
    Mi 6:
    168 g
  • Width

    Mi 6: 5 mm narrower

    A31:
    75.5 mm
    Mi 6:
    70.5 mm
  • Screen diagonal

    Mi 6: 1.35 in smaller diagonal

    A31:
    6.5 in
    Mi 6:
    5.15 in
  • Rear camera layout

    A31:
    Triple
    Mi 6:
    Dual
  • Depth

    Mi 6: 0.8 mm thinner

    A31:
    8.3 mm
    Mi 6:
    7.5 mm
  • Height

    Mi 6: 18.7 mm shorter

    A31:
    163.9 mm
    Mi 6:
    145.2 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. A31

    Height:
    163.9 mm +18.7 mm versus Mi 6
    Width:
    75.5 mm +5 mm versus Mi 6
    Depth:
    8.3 mm +0.8 mm versus Mi 6
  2. 2. Mi 6

    Height:
    145.2 mm
    Width:
    70.5 mm
    Depth:
    7.5 mm

Weight

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

  1. 1. A31

    180 g

    +12 g versus Mi 6

  2. 2. Mi 6

    168 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. A31

    Screen diagonal:
    6.5 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    102 cm²
  2. 2. Mi 6

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

A31 has approximately 39.5% more rectangular screen area than Mi 6.

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, Mi 6, compared at the same storage capacity.
StorageA31Mi 6
128 GB 4 GB RAM Unknown
Mi 6: Original memory entry

64/128 GB · 6 GB RAM 64 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. A31

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

2. Mi 6

NFC:
Yes
Headphone jack:
No
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

    +880 mAh versus Mi 6

  2. 2. Mi 6

    3350 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. A312. Mi 6

Everyday essentials
Everyday essentials — specifications for A31, Mi 6.
SpecificationA31Mi 6
Dimensions (HxWxD)
  • 163.9 Х 75.5 Х 8.3 mm
  • 145.2 Х 70.5 Х 7.5 mm
Weight
  • 180 g
  • 168 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.5" inch
  • 5.15" inch
Screen resolution
  • 720 x 1600 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 4GB RAM
  • 64/128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • microSDXC (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 3350 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 7.1.1 (Nougat); MIUI 8
Chipset
  • Mediatek MT6765V/CB Helio P35 (12nm)
  • Qualcomm MSM8998 Snapdragon 835 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A31, Mi 6.
SpecificationA31Mi 6
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 102.0 cm2
  • 73.1 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.4%
  • 71.4%
PPI /points per inch/
  • 270 PPI
  • 428 PPI
Screen protection Unknown
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for A31, Mi 6.
SpecificationA31Mi 6
Rear camera, main
  • 12 MP
  • Triple
  • 12 MP
  • Dual
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
  • 27mm (wide)
  • 1/2.9''
  • 1.25µm
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 8 MP
Performance

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

Performance — specifications for A31, Mi 6.
SpecificationA31Mi 6
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 540
Antutu 7 score * Unknown
  • 205305
GeekBench 4 Single Core * Unknown
  • 1894
GeekBench 4 Multi-Core * Unknown
  • 6193
GeekBench 4 RenderScript * Unknown
  • 7657
Antutu 8 score *
  • 105221
  • 261141
GeekBench 4 Battery * Unknown
  • 3620
GeekBench 5 Single Core * Unknown
  • 368
GeekBench 5 Multi-Core * Unknown
  • 1463
General specs
General specs — specifications for A31, Mi 6.
SpecificationA31Mi 6
Release date
  • 2020
  • February 13
  • 2017
  • April
Colors
  • Fantasy White
  • Mystery Black
  • Ceramic Black
  • Black
  • Blue
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 180 EUR
  • 330 EUR
Body build
  • Glass front
  • plastic back
  • plastic frame
  • Front/back glass
  • stainless steel frame
Communication and Connectivity
Communication and Connectivity — specifications for A31, Mi 6.
SpecificationA31Mi 6
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
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
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for A31, Mi 6.
SpecificationA31Mi 6
Radio
  • FM radio
  • No
Others
  • 480 nits typ. brightness
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A31, Mi 6.
SpecificationA31Mi 6
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0) - Splash resistant - For Global market