Oppo Ace2 vs Xiaomi Mi Mix 2s

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 Mix 2s:
    LCD
  • Weight

    Ace2: 5 g lighter

    Ace2:
    186 g
    Mi Mix 2s:
    191 g
  • Screen diagonal

    Mi Mix 2s: 0.56 in smaller diagonal

    Ace2:
    6.55 in
    Mi Mix 2s:
    5.99 in
  • Chipset

    Ace2:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
    Mi Mix 2s:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Ace2:
    Quad
    Mi Mix 2s:
    Dual
  • Depth

    Mi Mix 2s: 0.5 mm thinner

    Ace2:
    8.6 mm
    Mi Mix 2s:
    8.1 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 +9.1 mm versus Mi Mix 2s
    Width:
    75.4 mm
    Depth:
    8.6 mm +0.5 mm versus Mi Mix 2s
  2. 2. Mi Mix 2s

    Height:
    150.9 mm
    Width:
    74.9 mm
    Depth:
    8.1 mm

Weight

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

  1. 1. Ace2

    186 g

  2. 2. Mi Mix 2s

    191 g

    +5 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 Mix 2s

    Screen diagonal:
    5.99 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.6 cm²

Ace2 has approximately 11.9% more rectangular screen area than Mi Mix 2s.

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 Mix 2s, compared at the same storage capacity.
StorageAce2Mi Mix 2s
128 GB 8 GB RAM Unknown
256 GB 8 / 12 GB RAM Alternative RAM configurations Unknown
Mi Mix 2s: Original memory entry

256 GB · 8 GB RAM 64/128 GB · 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. Ace2

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

2. Mi Mix 2s

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

    +600 mAh versus Mi Mix 2s

  2. 2. Mi Mix 2s

    3400 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 Mix 2s

Everyday essentials
Everyday essentials — specifications for Ace2, Mi Mix 2s.
SpecificationAce2Mi Mix 2s
Dimensions (HxWxD)
  • 160 Х 75.4 Х 8.6 mm
  • 150.9 Х 74.9 Х 8.1 mm
Weight
  • 186 g
  • 191 g
Technology
  • AMOLED
  • IPS LCD
Screen size
  • 6.55" inch
  • 5.99" inch
Screen resolution
  • 1080 x 2400 px
  • 1080 x 2160 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
  • 256 GB
  • 8 GB 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
  • 3400 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 10.0; ColorOS 7.1
  • Android 8.0 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • No
Display
Display — specifications for Ace2, Mi Mix 2s.
SpecificationAce2Mi Mix 2s
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 103.6 cm2
  • 92.6 cm2
Screen format
  • 20:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 85.9%
  • 81.9%
PPI /points per inch/
  • 402 PPI
  • 403 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 Mix 2s.
SpecificationAce2Mi Mix 2s
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
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • HDR
  • Dual-LED dual-tone flash
  • HDR
  • panorama
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
  • 1/4''
  • 1.4µm
DxOMark Main Score * Unknown
  • 97
DxOMark Photo * Unknown
  • 101
DxOMark Video * Unknown
  • 88
Performance

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

Performance — specifications for Ace2, Mi Mix 2s.
SpecificationAce2Mi Mix 2s
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 650
  • Adreno 630
Antutu 7 score * Unknown
  • 298457
GeekBench 4 Single Core * Unknown
  • 2260
Antutu 8 score * Unknown
  • 351581
GeekBench 5 Single Core * Unknown
  • 441
General specs
General specs — specifications for Ace2, Mi Mix 2s.
SpecificationAce2Mi Mix 2s
Release date
  • 2020
  • April 13
  • 2018
  • March
Colors
  • Aurora Silver
  • Moon Rock Grey
  • Fantasy Purple
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 520 EUR
  • 400 EUR
Body build
  • Glass front (Gorilla Glass 5)
  • glass back (Gorilla Glass 5)
  • aluminum frame
  • Front glass
  • aluminum frame
  • ceramic back
Communication and Connectivity
Communication and Connectivity — specifications for Ace2, Mi Mix 2s.
SpecificationAce2Mi Mix 2s
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 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 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)
  • 13(700)
  • 17(700)
  • 18(800)
  • 19(800)
  • 20(800)
  • 25(1900)
  • 26(850)
  • 27(800)
  • 28(700)
  • 29(700)
  • 30(2300)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA
  • LTE-A
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat18 1200/100 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
  • 2.0
  • 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 Mix 2s.
SpecificationAce2Mi Mix 2s
Radio Unknown
  • No
Others
  • 500 nits typ. brightness (advertised) -HDR10+ -90Hz refresh rate
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Ace2, Mi Mix 2s.
SpecificationAce2Mi Mix 2s
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 - Fast battery charging 9V/2A 18W (Quick Charge 3.0) -Qi wireless charging