Meizu m3x vs Oppo A12

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.

  • Screen diagonal

    m3x: 0.72 in smaller diagonal

    m3x:
    5.5 in
    A12:
    6.22 in
  • Chipset

    m3x:
    Mediatek MT6757 Helio P20 (16 nm)
    A12:
    Mediatek MT6765 Helio P35 (12nm)
  • Rear camera layout

    m3x:
    Single
    A12:
    Dual
  • Depth

    m3x: 0.9 mm thinner

    m3x:
    7.4 mm
    A12:
    8.3 mm
  • Height

    m3x: 2.1 mm shorter

    m3x:
    153.8 mm
    A12:
    155.9 mm
  • Release year

    m3x:
    2016
    A12:
    2020

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. m3x

    Height:
    153.8 mm
    Width:
    76 mm
    Depth:
    7.4 mm
  2. 2. A12

    Height:
    155.9 mm +2.1 mm versus m3x
    Width:
    75.5 mm
    Depth:
    8.3 mm +0.9 mm versus m3x

Weight

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

  1. 1. m3x

    165 g

  2. 2. A12

    165 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. m3x

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²

A12 has approximately 15.8% more rectangular screen area than m3x.

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 m3x, A12, compared at the same storage capacity.
Storagem3xA12
32 GB Unknown 3 GB RAM
64 GB Unknown 4 GB RAM
m3x: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. m3x

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 slot)

2. A12

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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. m3x

    3200 mAh

  2. 2. A12

    4230 mAh

    +1030 mAh versus m3x

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. m3x2. A12

Everyday essentials
Everyday essentials — specifications for m3x, A12.
Specificationm3xA12
Dimensions (HxWxD)
  • 153.8 Х 76 Х 7.4 mm
  • 155.9 Х 75.5 Х 8.3 mm
Weight
  • 165 g
  • 165 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 6.22" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1520 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 RAM
  • 32GB 3GB RAM
  • 64GB 4GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable
  • 4230 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 6 (Marshmallow); Flyme 6
  • Android 9.0 (Pie); ColorOS 6.1
Chipset
  • Mediatek MT6757 Helio P20 (16 nm)
  • Mediatek MT6765 Helio P35 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for m3x, A12.
Specificationm3xA12
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 96.6 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 71.3%
  • 82.0%
PPI /points per inch/
  • 401 PPI
  • 270 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for m3x, A12.
Specificationm3xA12
Rear camera, main
  • 12 MP
  • Single
  • 13 MP
  • Dual
Camera specs
  • 12 MP
  • f/2.0
  • 1/2.9''
  • 1.25µm
  • PDAF
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
Functions
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 1/4''
  • 1.4µm
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
Performance

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

Performance — specifications for m3x, A12.
Specificationm3xA12
Processor CPU
  • Octa-core (4x2.3 GHz Cortex-A53 & 4x1.6 GHz Cortex-A53)
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Graphics processor GPU
  • Mali-T880MP2
  • PowerVR GE8320
GeekBench 4 Single Core *
  • 861
Unknown
GeekBench 4 Multi-Core *
  • 3904
Unknown
GeekBench 4 RenderScript *
  • 2710
Unknown
General specs
General specs — specifications for m3x, A12.
Specificationm3xA12
Release date
  • 2016
  • November
  • 2020
  • April 20
Colors
  • Blue
  • Gold
  • Black
  • Silver
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 150 EUR
Body build Unknown
  • Glass front
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for m3x, A12.
Specificationm3xA12
SIM card
  • Hybrid 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 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for m3x, A12.
Specificationm3xA12
Radio
  • No
  • FM radio
Others
  • Active noise cancellation with dedicated mic
  • 450 nits typ. brightness
Other features
Other features — specifications for m3x, A12.
Specificationm3xA12
Dop
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (mCharge)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass