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Oppo Ace2 vs Xiaomi Mi Note 3

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Ace2:
    OLED
    Mi Note 3:
    LCD
  • Weight

    Mi Note 3: 23 g lighter

    Ace2:
    186 g
    Mi Note 3:
    163 g
  • Width

    Mi Note 3: 1.4 mm narrower

    Ace2:
    75.4 mm
    Mi Note 3:
    74 mm
  • Screen diagonal

    Mi Note 3: 1.05 in smaller diagonal

    Ace2:
    6.55 in
    Mi Note 3:
    5.5 in
  • Memory variants

    At 128 GB storage

    Ace2:
    8 GB RAM
    Mi Note 3:
    6 GB RAM
  • Chipset

    Ace2:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
    Mi Note 3:
    Qualcomm SDM660 Snapdragon 660 (14 nm)

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. Ace2

    Height:
    160 mm +7.4 mm versus Mi Note 3
    Width:
    75.4 mm +1.4 mm versus Mi Note 3
    Depth:
    8.6 mm +1 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. Ace2

    186 g

    +23 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. Ace2

    Screen diagonal:
    6.55 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    103.6 cm²
  2. 2. Mi Note 3

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

Ace2 has approximately 24.2% 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 Ace2, Mi Note 3, compared at the same storage capacity.
StorageAce2Mi Note 3
64 GB Not recorded 6 GB RAM
128 GB Recorded for all phones 8 GB RAM 6 GB RAM
256 GB 8 / 12 GB RAM Alternative RAM configurations Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Ace2

NFC:
Yes
Headphone jack:
No
Memory card support:
No

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. Ace2

    4000 mAh

    +500 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. Ace22. Mi Note 3

Everyday essentials
Everyday essentials — specifications for Ace2, Mi Note 3.
SpecificationAce2Mi Note 3
Dimensions (HxWxD)
  • 160 Х 75.4 Х 8.6 mm
  • 152.6 Х 74 Х 7.6 mm
Weight
  • 186 g
  • 163 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.55" inch
  • 5.5" inch
Screen resolution
  • 1080 x 2400 px
  • 1080 x 1920 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 256GB 8GB RAM
  • 256GB 12GB RAM
  • 64/128 GB
  • 6 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0; ColorOS 7.1
  • Android 7.1 (Nougat); MIUI 10
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • No
Display
Display — specifications for Ace2, Mi Note 3.
SpecificationAce2Mi Note 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.6 cm2
  • 83.4 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 85.9%
  • 73.8%
PPI /points per inch/
  • 402 PPI
  • 401 PPI
Screen protection
  • Corning Gorilla Glass 5
  • 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 Ace2, Mi Note 3.
SpecificationAce2Mi Note 3
Rear camera, main
  • 48 MP
  • Quad
  • 12 MP
  • Dual
Camera specs
  • 48 MP
  • f/1.7
  • 26mm (wide)
  • 1/2.0''
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/4.0''
  • 1.12µm
  • AF -2 MP B/W
  • (depth) -2 MP
  • (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
  • 16 MP
  • Single
  • 16 MP
  • Single
Specifications
  • 16 MP
  • f/2.4
  • 29mm (wide)
  • 1/3.1''
  • 1.0µm
  • 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 Ace2, Mi Note 3.
SpecificationAce2Mi Note 3
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Adreno 650
  • 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 Ace2, Mi Note 3.
SpecificationAce2Mi Note 3
Release date
  • 2020
  • April 13
  • 2017
  • September
Colors
  • Aurora Silver
  • Moon Rock Grey
  • Fantasy Purple
  • Black
  • Blue (128/6 only)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 520 EUR
  • 280 EUR
Body build
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
  • Front/back glass & aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for Ace2, Mi Note 3.
SpecificationAce2Mi 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 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - China -5G - 5G band 1(2100)
  • 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - China
  • 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/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • Type-C 1.0 reversible connector
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Ace2, Mi Note 3.
SpecificationAce2Mi Note 3
Radio Unknown
  • No
Others
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
  • 24-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for Ace2, Mi Note 3.
SpecificationAce2Mi Note 3
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 65W
  • 100% in 30 min (advertised) -SuperVOOC 2.0 -Fast wireless charging 40W
  • 100% in 56 min (advertised) -Wireless reverse charging 10W
  • Sensors Fingerprint (front-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging (Quick Charge 3.0)