Oppo A7x vs Xiaomi Black Shark 3

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

    A7x:
    LCD
    Black Shark 3:
    OLED
  • Weight

    A7x: 53 g lighter

    A7x:
    169 g
    Black Shark 3:
    222 g
  • Width

    A7x: 3.3 mm narrower

    A7x:
    74 mm
    Black Shark 3:
    77.3 mm
  • Screen diagonal

    A7x: 0.37 in smaller diagonal

    A7x:
    6.3 in
    Black Shark 3:
    6.67 in
  • Chipset

    A7x:
    Mediatek MT6771 Helio P60 (12 nm)
    Black Shark 3:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Rear camera layout

    A7x:
    Dual
    Black Shark 3:
    Triple

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. A7x

    Height:
    156.7 mm
    Width:
    74 mm
    Depth:
    8 mm
  2. 2. Black Shark 3

    Height:
    168.7 mm +12 mm versus A7x
    Width:
    77.3 mm +3.3 mm versus A7x
    Depth:
    10.4 mm +2.4 mm versus A7x

Weight

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

  1. 1. A7x

    169 g

  2. 2. Black Shark 3

    222 g

    +53 g versus A7x

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. A7x

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²
  2. 2. Black Shark 3

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²

Black Shark 3 has approximately 10.2% more rectangular screen area than A7x.

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 A7x, Black Shark 3, compared at the same storage capacity.
StorageA7xBlack Shark 3
128 GB Unknown 8 / 12 GB RAM Alternative RAM configurations
256 GB Unknown 12 GB RAM
A7x: Original memory entry

128 GB · 512GB 4GB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. A7x

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

2. Black Shark 3

NFC:
Unknown
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. A7x

    3500 mAh

  2. 2. Black Shark 3

    4720 mAh

    +1220 mAh versus A7x

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. A7x2. Black Shark 3

Everyday essentials
Everyday essentials — specifications for A7x, Black Shark 3.
SpecificationA7xBlack Shark 3
Dimensions (HxWxD)
  • 156.7 Х 74 Х 8 mm
  • 168.7 Х 77.3 Х 10.4 mm
Weight
  • 169 g
  • 222 g
Technology
  • LTPS IPS LCD
  • AMOLED
Screen size
  • 6.3" inch
  • 6.67" inch
Screen resolution
  • 1080 x 2340 px
  • 1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 512GB 4GB
  • 128GB 8GB RAM
  • 128GB 12GB RAM
  • 256GB 12GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 4720 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 8.1 (Oreo); ColorOS 5.2
  • Android 10.0
Chipset
  • Mediatek MT6771 Helio P60 (12 nm)
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A7x, Black Shark 3.
SpecificationA7xBlack Shark 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.4 cm2
  • 107.4 cm2
Screen format
  • 19.5:9 (height:width)
  • 20:9 (height:width)
Screen to body ratio
  • 84.0%
  • 82.4%
PPI /points per inch/
  • 409 PPI
  • 395 PPI
Screen protection
  • To be confirmed
Unknown
Camera and Video
Camera and Video — specifications for A7x, Black Shark 3.
SpecificationA7xBlack Shark 3
Rear camera, main
  • 16 MP
  • Dual
  • 64 MP
  • Triple
Camera specs
  • 16 MP
  • f/1.8
  • 1/3.1
  • 1.0µm
  • PDAF -2 MP
  • f/2.4
  • depth sensor
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72''
  • 0.8µm
  • PDAF -13 MP
  • f/2.3
  • (ultrawide) -5 MP
  • f/2.2
  • (depth)
Functions
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 16 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 16 MP
  • f/2.0
  • 20 MP
  • f/2.2
  • (wide)
  • 1/3''
  • 0.9μm
Performance

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

Performance — specifications for A7x, Black Shark 3.
SpecificationA7xBlack Shark 3
Processor CPU
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Graphics processor GPU
  • Mali-G72 MP3
  • Adreno 650
Antutu 7 score *
  • 140725
Unknown
Antutu 8 score * Unknown
  • 603541
General specs
General specs — specifications for A7x, Black Shark 3.
SpecificationA7xBlack Shark 3
Release date
  • 2018
  • September
  • 2020
  • March 3
Colors
  • Starry Purple
  • Ice Flame Blue
  • Lightning Black
  • Armor Gray
  • Star Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 270 EUR
  • $ 550
Body build Unknown
  • Glass front
  • aluminum back
  • aluminum frame
Communication and Connectivity
Communication and Connectivity — specifications for A7x, Black Shark 3.
SpecificationA7xBlack Shark 3
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 CDMA 800 & TD-SCDMA - China -3G - HSDPA 850 / 900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 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) -5G - 5G band 41(2500)
  • 78(3500)
  • 79(4700); SA/NSA
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat13 600/100 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A; 5G
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • BDS
USB
  • microUSB 2.0
  • USB On-The-Go
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • aptX Adaptive
Music and Audio
Music and Audio — specifications for A7x, Black Shark 3.
SpecificationA7xBlack Shark 3
Radio
  • FM radio
  • No
Others
  • Active noise cancellation with dedicated mic
  • Always-on display -90Hz refresh rate -500 nits typ. brightness -HDR10+
Other features
Other features — specifications for A7x, Black Shark 3.
SpecificationA7xBlack Shark 3
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Charging 5V/2A 10W - For China
  • Sensors Fingerprint (under display
  • optical)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 65W: 100% in 38 min -Fast battery charging 30W (128/8 model) -Magnetic charging 18W