OnePlus 8 Pro vs Xiaomi MI-2a

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

    8 Pro:
    OLED
    MI-2a:
    LCD
  • Weight

    MI-2a: 66 g lighter

    8 Pro:
    199 g
    MI-2a:
    133 g
  • Width

    MI-2a: 7.9 mm narrower

    8 Pro:
    74.4 mm
    MI-2a:
    66.5 mm
  • Screen diagonal

    MI-2a: 2.28 in smaller diagonal

    8 Pro:
    6.78 in
    MI-2a:
    4.5 in
  • Rear camera layout

    8 Pro:
    Quad
    MI-2a:
    Single
  • Depth

    8 Pro: 1 mm thinner

    8 Pro:
    8.5 mm
    MI-2a:
    9.5 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. 8 Pro

    Height:
    165.3 mm +32.3 mm versus MI-2a
    Width:
    74.4 mm +7.9 mm versus MI-2a
    Depth:
    8.5 mm
  2. 2. MI-2a

    Height:
    133 mm
    Width:
    66.5 mm
    Depth:
    9.5 mm +1 mm versus 8 Pro

Weight

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

  1. 1. 8 Pro

    199 g

    +66 g versus MI-2a

  2. 2. MI-2a

    133 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.

At least two phones need compatible screen dimensions for a drawing.

  1. 1. 8 Pro

    8 Pro: Screen geometry unavailable or conflicting.

  2. 2. MI-2a

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

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 8 Pro, MI-2a, compared at the same storage capacity.
Storage8 ProMI-2a
16 GB Not recorded 1 GB RAM
128 GB 8 GB RAM Not recorded
256 GB 12 GB RAM 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. 8 Pro

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

2. MI-2a

NFC:
Yes
Headphone jack:
Yes
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. 8 Pro

    4510 mAh

    +2480 mAh versus MI-2a

  2. 2. MI-2a

    2030 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. 8 Pro2. MI-2a

Everyday essentials
Everyday essentials — specifications for 8 Pro, MI-2a.
Specification8 ProMI-2a
Dimensions (HxWxD)
  • 165.3 Х 74.4 Х 8.5 mm
  • 133 Х 66.5 Х 9.5 mm
Weight
  • 199 g
  • 133 g
Technology
  • Fluid AMOLED
  • IPS LCD
Screen size
  • 6.78" inch
  • 4.5" inch
Screen resolution
  • 1440 x 3168 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 256GB 12GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • No
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 4510 mAh
  • Non-removable Li-Po
  • 2030 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0; OxygenOS 10.0
  • Android 4.1 (Jelly Bean)
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Xiaolong S4 Pro
NFC
  • Yes
  • Yes
Headphone jack
  • No
  • Yes
Display
Display — specifications for 8 Pro, MI-2a.
Specification8 ProMI-2a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 1B
  • 16M
Screen area
  • 111.7 cm2
  • 55.8 cm2
Screen format Unknown
  • 16:9 (height:width)
Screen to body ratio
  • 90.8%
  • 63.1%
PPI /points per inch/
  • 0 PPI
  • 326 PPI
Screen protection
  • Corning Gorilla Glass
Unknown
Camera and Video
Camera and Video — specifications for 8 Pro, MI-2a.
Specification8 ProMI-2a
Rear camera, main
  • 48 MP
  • Quad
  • 8 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • 25mm (wide)
  • 1/1.43''
  • 1.12µm
  • omnidirectional PDAF
  • laser AF
  • OIS -8 MP
  • f/2.4
  • (telephoto)
  • 1/1.0µm
  • PDAF
  • OIS
  • 3x optical zoom -48 MP
  • f/2.2
  • 13mm (ultrawide)
  • 1/2.0''
  • 0.8µm
  • PDAF -5 MP
  • (depth)
  • 8 MP
  • AF
  • f/2.0
Functions
  • Auto-HDR
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • gyro-EIS
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 16 MP
  • f/2.5
  • (wide)
  • 1/3''
  • 1.0µm
  • 2 MP
Performance

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

Performance — specifications for 8 Pro, MI-2a.
Specification8 ProMI-2a
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)
  • Dual-core 1.7 GHz
Graphics processor GPU
  • Adreno 650
  • Adreno 320
Antutu 7 score * Unknown
  • 21326
GeekBench 4 Single Core * Unknown
  • 742
GeekBench 4 Multi-Core * Unknown
  • 1151
GeekBench 4 RenderScript * Unknown
  • 1277
General specs
General specs — specifications for 8 Pro, MI-2a.
Specification8 ProMI-2a
Release date
  • 2020
  • April 14
  • 2013
Colors
  • Glacial Green
  • Ultramarine Blue
  • Onyx Black
  • Black (front panel)
  • 4 color options (back panel)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 900 EUR
Unknown
Body build
  • Glass front (Gorilla Glass)
  • glass back (Gorilla Glass)
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for 8 Pro, MI-2a.
Specification8 ProMI-2a
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
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) / 1800 / 1900 / 2100 -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)
  • 28(700)
  • 32(1500)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • 42(3500)
  • 46(5200)
  • 66(1700/2100) - EU -5G - 5G band 1(2100)
  • 78(3500); SA/NSA - EU 5G band 2(1900)
  • 66(1700)
  • 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA - CN
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (5CA) Cat18 1200/150 Mbps
  • 5G 7.5 Gbps DL
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • SBAS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • USB On-The-Go
  • microUSB 2.0
  • USB Host
Bluetooth
  • 5.1
  • A2DP
  • LE
  • aptX HD
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for 8 Pro, MI-2a.
Specification8 ProMI-2a
Radio
  • No
  • FM radio
Others
  • HDR10+ -120Hz refresh rate
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for 8 Pro, MI-2a.
Specification8 ProMI-2a
Dop
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 30W
  • 50% in 23 min (advertised) -Fast wireless charging 30W
  • 50% in 30 min (advertised) -Reverse wireless charging 3W - IP68 dust/water resistant
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass