Xiaomi Black Shark 3 vs Yezz Billy 4

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.

  • Weight

    Billy 4: 113 g lighter

    Black Shark 3:
    222 g
    Billy 4:
    109 g
  • Width

    Billy 4: 12.9 mm narrower

    Black Shark 3:
    77.3 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 2.67 in smaller diagonal

    Black Shark 3:
    6.67 in
    Billy 4:
    4 in
  • Chipset

    Black Shark 3:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Rear camera layout

    Black Shark 3:
    Triple
    Billy 4:
    Single
  • Depth

    Billy 4: 0.5 mm thinner

    Black Shark 3:
    10.4 mm
    Billy 4:
    9.9 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. Black Shark 3

    Height:
    168.7 mm +46.2 mm versus Billy 4
    Width:
    77.3 mm +12.9 mm versus Billy 4
    Depth:
    10.4 mm +0.5 mm versus Billy 4
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm

Weight

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

  1. 1. Black Shark 3

    222 g

    +113 g versus Billy 4

  2. 2. Billy 4

    109 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.

  1. 1. Black Shark 3

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²
  2. 2. Billy 4

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²

Black Shark 3 has approximately 135.9% more rectangular screen area than Billy 4.

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 Black Shark 3, Billy 4, compared at the same storage capacity.
StorageBlack Shark 3Billy 4
128 GB 8 / 12 GB RAM Alternative RAM configurations Unknown
256 GB 12 GB RAM Unknown
Billy 4: Original memory entry

4 GB · 512 MB 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. Black Shark 3

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

2. Billy 4

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

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. Black Shark 3

    4720 mAh

    +3420 mAh versus Billy 4

  2. 2. Billy 4

    1300 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. Black Shark 32. Billy 4

Everyday essentials
Everyday essentials — specifications for Black Shark 3, Billy 4.
SpecificationBlack Shark 3Billy 4
Dimensions (HxWxD)
  • 168.7 Х 77.3 Х 10.4 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 222 g
  • 109 g
Technology
  • AMOLED
  • TFT
Screen size
  • 6.67" inch
  • 4" inch
Screen resolution
  • 1080 x 2400 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128GB 8GB RAM
  • 128GB 12GB RAM
  • 256GB 12GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4720 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 10.0
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Black Shark 3, Billy 4.
SpecificationBlack Shark 3Billy 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 107.4 cm2
  • 45.5 cm2
Screen format
  • 20:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 82.4%
  • 57.7%
PPI /points per inch/
  • 395 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Black Shark 3, Billy 4.
SpecificationBlack Shark 3Billy 4
Rear camera, main
  • 64 MP
  • Triple
  • 8 MP
  • Single
Camera specs
  • 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)
  • 8 MP
  • AF
Functions
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 20 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 20 MP
  • f/2.2
  • (wide)
  • 1/3''
  • 0.9μm
  • 1.3 MP
Performance

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

Performance — specifications for Black Shark 3, Billy 4.
SpecificationBlack Shark 3Billy 4
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 650
  • Adreno 302
Antutu 8 score *
  • 603541
Unknown
General specs
General specs — specifications for Black Shark 3, Billy 4.
SpecificationBlack Shark 3Billy 4
Release date
  • 2020
  • March 3
  • 2014
  • June
Colors
  • Lightning Black
  • Armor Gray
  • Star Silver
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • $ 550
Unknown
Battery life Unknown
  • Stand by time- Up to 350 h (2G) / Up to 300 h (3G) Talking time- Up to 7 h (2G) / Up to 4 h 30 min (3G)
Body build
  • Glass front
  • aluminum back
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Black Shark 3, Billy 4.
SpecificationBlack Shark 3Billy 4
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM)
Network
  • 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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A; 5G
  • HSPA 42.2/5.76 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
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • BDS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • aptX Adaptive
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Black Shark 3, Billy 4.
SpecificationBlack Shark 3Billy 4
Radio
  • No
  • Stereo FM radio
Others
  • Always-on display -90Hz refresh rate -500 nits typ. brightness -HDR10+
Unknown
Other features
Other features — specifications for Black Shark 3, Billy 4.
SpecificationBlack Shark 3Billy 4
Dop
  • 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
  • Sensors Accelerometer
  • proximity