Oppo A39 vs Xiaomi Mi 8

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

    A39:
    LCD
    Mi 8:
    OLED
  • Weight

    A39: 28 g lighter

    A39:
    147 g
    Mi 8:
    175 g
  • Width

    A39: 1.9 mm narrower

    A39:
    72.9 mm
    Mi 8:
    74.8 mm
  • Screen diagonal

    A39: 1.01 in smaller diagonal

    A39:
    5.2 in
    Mi 8:
    6.21 in
  • Chipset

    A39:
    Mediatek MT6750 (28 nm)
    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    A39:
    Single
    Mi 8:
    Dual

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. A39

    Height:
    149.1 mm
    Width:
    72.9 mm
    Depth:
    7.7 mm
  2. 2. Mi 8

    Height:
    154.9 mm +5.8 mm versus A39
    Width:
    74.8 mm +1.9 mm versus A39
    Depth:
    7.6 mm

Weight

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

  1. 1. A39

    147 g

  2. 2. Mi 8

    175 g

    +28 g versus A39

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. A39

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. Mi 8

    Screen diagonal:
    6.21 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.3 cm²

Mi 8 has approximately 29.1% more rectangular screen area than A39.

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 A39, Mi 8, compared at the same storage capacity.
StorageA39Mi 8
32 GB 3 GB RAM Unknown
Mi 8: Original memory entry

64/128/256 GB · 6 GB RAM 128 GB · 8 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. A39

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

2. Mi 8

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. A39

    2900 mAh

  2. 2. Mi 8

    3400 mAh

    +500 mAh versus A39

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. A392. Mi 8

Everyday essentials
Everyday essentials — specifications for A39, Mi 8.
SpecificationA39Mi 8
Dimensions (HxWxD)
  • 149.1 Х 72.9 Х 7.7 mm
  • 154.9 Х 74.8 Х 7.6 mm
Weight
  • 147 g
  • 175 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.2" inch
  • 6.21" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2248 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 2900 mAh
  • Non-removable Li-Ion
  • 3400 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop); ColorOS 3
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
Chipset
  • Mediatek MT6750 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC Unknown
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for A39, Mi 8.
SpecificationA39Mi 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 97.1 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 68.6%
  • 83.8%
PPI /points per inch/
  • 282 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass 4
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for A39, Mi 8.
SpecificationA39Mi 8
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • f/2.2
  • 1/3''
  • AF
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 56mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • LED flash
  • panorama
  • HDR
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 5 MP
  • f/2.4
  • 1/4''
  • 1.4µm
  • 20 MP
  • f/2.0
  • 0.9μm
DxOMark Main Score * Unknown
  • 99
DxOMark Photo * Unknown
  • 105
DxOMark Video * Unknown
  • 88
Performance

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

Performance — specifications for A39, Mi 8.
SpecificationA39Mi 8
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Mali-T860MP2
  • Adreno 630
Antutu 7 score * Unknown
  • 297023
GeekBench 4 Single Core *
  • 639
  • 2280
GeekBench 4 Multi-Core *
  • 2481
  • 8242
GeekBench 4 RenderScript *
  • 1870
  • 13089
Antutu 8 score * Unknown
  • 353884
GeekBench 4 Battery * Unknown
  • 3965
GeekBench 5 Single Core * Unknown
  • 447
GeekBench 5 Multi-Core * Unknown
  • 1898
General specs
General specs — specifications for A39, Mi 8.
SpecificationA39Mi 8
Release date
  • 2017
  • March
  • 2018
  • May
Colors
  • Gold
  • Rose Gold
  • Black
  • Blue
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 380 EUR
Body build
  • aluminum body
  • plastic ends
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for A39, Mi 8.
SpecificationA39Mi 8
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)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 40(2300)
  • 41(2500) LTE band 1(2100)
  • 20(800)
  • 28(700)
  • 39(1900)
  • 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 -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)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0
  • USB On-The-Go
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for A39, Mi 8.
SpecificationA39Mi 8
Radio
  • FM radio
  • No
Others Unknown
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A39, Mi 8.
SpecificationA39Mi 8
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)