Oppo Ace2 vs Xiaomi Mi Max

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

    Ace2:
    OLED
    Mi Max:
    LCD
  • Weight

    Ace2: 17 g lighter

    Ace2:
    186 g
    Mi Max:
    203 g
  • Width

    Ace2: 12.9 mm narrower

    Ace2:
    75.4 mm
    Mi Max:
    88.3 mm
  • Chipset

    Ace2:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
    Mi Max:
    Qualcomm MSM8956 Snapdragon 650 -Qualcomm MSM8976 Snapdragon 652 (28 nm) Prime model
  • Rear camera layout

    Ace2:
    Quad
    Mi Max:
    Single
  • Depth

    Mi Max: 1.1 mm thinner

    Ace2:
    8.6 mm
    Mi Max:
    7.5 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. Ace2

    Height:
    160 mm
    Width:
    75.4 mm
    Depth:
    8.6 mm +1.1 mm versus Mi Max
  2. 2. Mi Max

    Height:
    173.1 mm +13.1 mm versus Ace2
    Width:
    88.3 mm +12.9 mm versus Ace2
    Depth:
    7.5 mm

Weight

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

  1. 1. Ace2

    186 g

  2. 2. Mi Max

    203 g

    +17 g versus Ace2

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 Max

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

Mi Max has approximately 10.4% more rectangular screen area than Ace2.

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 Max, compared at the same storage capacity.
StorageAce2Mi Max
128 GB 8 GB RAM Unknown
256 GB 8 / 12 GB RAM Alternative RAM configurations Unknown
Mi Max: Original memory entry

16 GB · 2 GB RAM; 32/64 GB · 3 GB RAM128 GB · 4 GB RAM - Prime model

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 Max

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 1 slot)

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

  2. 2. Mi Max

    4850 mAh

    +850 mAh versus Ace2

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 Max

Everyday essentials
Everyday essentials — specifications for Ace2, Mi Max.
SpecificationAce2Mi Max
Dimensions (HxWxD)
  • 160 Х 75.4 Х 8.6 mm
  • 173.1 Х 88.3 Х 7.5 mm
Weight
  • 186 g
  • 203 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.55" inch
  • 6.44" 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
  • 16 GB
  • 2 GB RAM; 32/64 GB
  • 3 GB RAM128 GB
  • 4 GB RAM - Prime model
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 1 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 4850 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0; ColorOS 7.1
  • Android 6.0 (Marshmallow)
  • upgradable to 7.0 (Nougat); MIUI 10
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Qualcomm MSM8956 Snapdragon 650 -Qualcomm MSM8976 Snapdragon 652 (28 nm) Prime model
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Ace2, Mi Max.
SpecificationAce2Mi Max
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.6 cm2
  • 114.3 cm2
Screen format
  • 20:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 85.9%
  • 74.8%
PPI /points per inch/
  • 402 PPI
  • 342 PPI
Screen protection
  • Corning Gorilla Glass 5
  • Corning Gorilla Glass 4
Camera and Video
Camera and Video — specifications for Ace2, Mi Max.
SpecificationAce2Mi Max
Rear camera, main
  • 48 MP
  • Quad
  • 16 MP
  • Single
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)
  • 16 MP
  • PDAF
  • f/2.0
Functions
  • HDR
  • Dual-LED dual-tone flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 16 MP
  • f/2.4
  • 29mm (wide)
  • 1/3.1''
  • 1.0µm
  • 5 MP
  • f/2.0
Performance

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

Performance — specifications for Ace2, Mi Max.
SpecificationAce2Mi Max
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A72) -Octa-core (4x1.4 GHz Cortex-A53 & 4x1.8 GHz Cortex-A72)
Graphics processor GPU
  • Adreno 650
  • Adreno 510
GeekBench 4 Single Core * Unknown
  • 1376
GeekBench 4 Multi-Core * Unknown
  • 3146
GeekBench 4 RenderScript * Unknown
  • 3679
GeekBench 4 Battery * Unknown
  • 2489
GeekBench 5 Single Core * Unknown
  • 261
GeekBench 5 Multi-Core * Unknown
  • 770
General specs
General specs — specifications for Ace2, Mi Max.
SpecificationAce2Mi Max
Release date
  • 2020
  • April 13
  • 2016
  • May
Colors
  • Aurora Silver
  • Moon Rock Grey
  • Fantasy Purple
  • Gray
  • Silver
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 520 EUR
  • 150 EUR
Body build
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Ace2, Mi Max.
SpecificationAce2Mi Max
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM/ Micro-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 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO TD-SCDMA -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA
  • LTE
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
  • Wi-Fi Direct
  • DLNA
  • 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
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • 4.2
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.84 W/kg (head) 0.63 W/kg (body)
Music and Audio
Music and Audio — specifications for Ace2, Mi Max.
SpecificationAce2Mi Max
Radio Unknown
  • FM radio
  • recording
Others
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Ace2, Mi Max.
SpecificationAce2Mi Max
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 (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Versions: Global; Standard; Prime