Oppo A39 vs Xiaomi Black Shark Helo

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
    Black Shark Helo:
    OLED
  • Weight

    A39: 43 g lighter

    A39:
    147 g
    Black Shark Helo:
    190 g
  • Width

    A39: 2.3 mm narrower

    A39:
    72.9 mm
    Black Shark Helo:
    75.2 mm
  • Screen diagonal

    A39: 0.81 in smaller diagonal

    A39:
    5.2 in
    Black Shark Helo:
    6.01 in
  • Chipset

    A39:
    Mediatek MT6750 (28 nm)
    Black Shark Helo:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    A39:
    Single
    Black Shark Helo:
    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. Black Shark Helo

    Height:
    160 mm +10.9 mm versus A39
    Width:
    75.2 mm +2.3 mm versus A39
    Depth:
    8.7 mm +1 mm versus A39

Weight

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

  1. 1. A39

    147 g

  2. 2. Black Shark Helo

    190 g

    +43 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. Black Shark Helo

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

Black Shark Helo has approximately 25% 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, Black Shark Helo, compared at the same storage capacity.
StorageA39Black Shark Helo
32 GB 3 GB RAM Unknown
Black Shark Helo: Original memory entry

256 GB · 10 GB RAM · 128 GB · 6/8 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. Black Shark Helo

NFC:
Unknown
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. Black Shark Helo

    4000 mAh

    +1100 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. Black Shark Helo

Everyday essentials
Everyday essentials — specifications for A39, Black Shark Helo.
SpecificationA39Black Shark Helo
Dimensions (HxWxD)
  • 149.1 Х 72.9 Х 7.7 mm
  • 160 Х 75.2 Х 8.7 mm
Weight
  • 147 g
  • 190 g
Technology
  • IPS LCD
  • AMOLED
Screen size
  • 5.2" inch
  • 6.01" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 256 GB
  • 10 GB RAM
  • 128 GB
  • 6/8 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
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop); ColorOS 3
  • Android 8.0 (Oreo)
Chipset
  • Mediatek MT6750 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
Headphone jack
  • Yes
  • No
Display
Display — specifications for A39, Black Shark Helo.
SpecificationA39Black Shark Helo
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 93.2 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 68.6%
  • 77.5%
PPI /points per inch/
  • 282 PPI
  • 402 PPI
Screen protection
  • Corning Gorilla Glass 4
Unknown
Camera and Video
Camera and Video — specifications for A39, Black Shark Helo.
SpecificationA39Black Shark Helo
Rear camera, main
  • 13 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 13 MP
  • f/2.2
  • 1/3''
  • AF
  • 12 MP
  • f/1.8
  • 1.25µm
  • dual pixel PDAF -20 MP
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • LED flash
  • panorama
  • HDR
  • Dual-LED dual-tone 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/2.2
  • 1.0µm
Performance

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

Performance — specifications for A39, Black Shark Helo.
SpecificationA39Black Shark Helo
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
GeekBench 4 Single Core *
  • 639
Unknown
GeekBench 4 Multi-Core *
  • 2481
Unknown
GeekBench 4 RenderScript *
  • 1870
Unknown
Antutu 8 score * Unknown
  • 332385
GeekBench 5 Single Core * Unknown
  • 421
GeekBench 5 Multi-Core * Unknown
  • 1769
General specs
General specs — specifications for A39, Black Shark Helo.
SpecificationA39Black Shark Helo
Release date
  • 2017
  • March
  • 2018
  • October
Colors
  • Gold
  • Rose Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 450 EUR
Body build
  • aluminum body
  • plastic ends
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for A39, Black Shark Helo.
SpecificationA39Black Shark Helo
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 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 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
  • LTE-A (3CA)
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
  • WiFi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • aptX HD
  • LE
Music and Audio
Music and Audio — specifications for A39, Black Shark Helo.
SpecificationA39Black Shark Helo
Radio
  • FM radio
  • No
Others Unknown
  • Always-on display -100% DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A39, Black Shark Helo.
SpecificationA39Black Shark Helo
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/2A 18W (Quick Charge 3.0)