Oppo A12 vs Xiaomi Mi Note 3

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.

  • Width

    Mi Note 3: 1.5 mm narrower

    A12:
    75.5 mm
    Mi Note 3:
    74 mm
  • Screen diagonal

    Mi Note 3: 0.72 in smaller diagonal

    A12:
    6.22 in
    Mi Note 3:
    5.5 in
  • Memory variants

    At 64 GB storage

    A12:
    4 GB RAM
    Mi Note 3:
    6 GB RAM
  • Chipset

    A12:
    Mediatek MT6765 Helio P35 (12nm)
    Mi Note 3:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Depth

    Mi Note 3: 0.7 mm thinner

    A12:
    8.3 mm
    Mi Note 3:
    7.6 mm
  • Height

    Mi Note 3: 3.3 mm shorter

    A12:
    155.9 mm
    Mi Note 3:
    152.6 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. A12

    Height:
    155.9 mm +3.3 mm versus Mi Note 3
    Width:
    75.5 mm +1.5 mm versus Mi Note 3
    Depth:
    8.3 mm +0.7 mm versus Mi Note 3
  2. 2. Mi Note 3

    Height:
    152.6 mm
    Width:
    74 mm
    Depth:
    7.6 mm

Weight

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

  1. 1. A12

    165 g

    +2 g versus Mi Note 3

  2. 2. Mi Note 3

    163 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. A12

    Screen diagonal:
    6.22 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.6 cm²
  2. 2. Mi Note 3

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

A12 has approximately 15.8% more rectangular screen area than Mi Note 3.

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 A12, Mi Note 3, compared at the same storage capacity.
StorageA12Mi Note 3
32 GB 3 GB RAM Not recorded
64 GB Recorded for all phones 4 GB RAM 6 GB RAM
128 GB Not recorded 6 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. A12

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

2. Mi Note 3

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. A12

    4230 mAh

    +730 mAh versus Mi Note 3

  2. 2. Mi Note 3

    3500 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. A122. Mi Note 3

Everyday essentials
Everyday essentials — specifications for A12, Mi Note 3.
SpecificationA12Mi Note 3
Dimensions (HxWxD)
  • 155.9 Х 75.5 Х 8.3 mm
  • 152.6 Х 74 Х 7.6 mm
Weight
  • 165 g
  • 163 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.22" inch
  • 5.5" inch
Screen resolution
  • 720 x 1520 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 3GB RAM
  • 64GB 4GB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • microSDXC
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4230 mAh
  • Non-removable Li-Po
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); ColorOS 6.1
  • Android 7.1 (Nougat); MIUI 10
Chipset
  • Mediatek MT6765 Helio P35 (12nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A12, Mi Note 3.
SpecificationA12Mi Note 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 96.6 cm2
  • 83.4 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.0%
  • 73.8%
PPI /points per inch/
  • 270 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 4
Camera and Video

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

Camera and Video — specifications for A12, Mi Note 3.
SpecificationA12Mi Note 3
Rear camera, main
  • 13 MP
  • Dual
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • f/2.2
  • 1/3.1''
  • 1.12µm
  • PDAF -2 MP
  • f/2.4
  • (depth)
  • 12 MP
  • f/1.8
  • 27mm (wide)
  • 4-axis OIS
  • PDAF -12 MP
  • f/2.6
  • 52mm (telephoto)
  • AF
  • 2x optical zoom
Functions
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 5 MP
  • f/2.0
  • 1/5''
  • 1.12µm
  • 16 MP
  • 1.0µm
DxOMark Main Score * Unknown
  • 90
DxOMark Photo * Unknown
  • 94
DxOMark Video * Unknown
  • 82
Performance

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

Performance — specifications for A12, Mi Note 3.
SpecificationA12Mi Note 3
Processor CPU
  • Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • PowerVR GE8320
  • Adreno 512
Antutu 7 score * Unknown
  • 139785
GeekBench 4 Single Core * Unknown
  • 1588
GeekBench 4 Multi-Core * Unknown
  • 5629
GeekBench 4 RenderScript * Unknown
  • 5365
GeekBench 5 Single Core * Unknown
  • 331
GeekBench 5 Multi-Core * Unknown
  • 1388
General specs
General specs — specifications for A12, Mi Note 3.
SpecificationA12Mi Note 3
Release date
  • 2020
  • April 20
  • 2017
  • September
Colors
  • Blue
  • Black
  • Black
  • Blue (128/6 only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 280 EUR
Body build
  • Glass front
  • plastic back
  • plastic frame
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A12, Mi Note 3.
SpecificationA12Mi Note 3
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 band 1(2100)
  • 3(1800)
  • 5(850)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • 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 A12, Mi Note 3.
SpecificationA12Mi Note 3
Radio
  • FM radio
  • No
Others
  • 450 nits typ. brightness
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for A12, Mi Note 3.
SpecificationA12Mi Note 3
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0)