Xiaomi Black Shark 3 vs ZTE V821

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

    V821: 102 g lighter

    Black Shark 3:
    222 g
    V821:
    120 g
  • Width

    V821: 20.8 mm narrower

    Black Shark 3:
    77.3 mm
    V821:
    56.5 mm
  • Chipset

    Black Shark 3:
    Qualcomm SM8250 Snapdragon 865 (7 nm+)
    V821:
    Mediatek MT6516
  • Rear camera layout

    Black Shark 3:
    Triple
    V821:
    Single
  • Depth

    Black Shark 3: 1.4 mm thinner

    Black Shark 3:
    10.4 mm
    V821:
    11.8 mm
  • Height

    V821: 52.7 mm shorter

    Black Shark 3:
    168.7 mm
    V821:
    116 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 +52.7 mm versus V821
    Width:
    77.3 mm +20.8 mm versus V821
    Depth:
    10.4 mm
  2. 2. V821

    Height:
    116 mm
    Width:
    56.5 mm
    Depth:
    11.8 mm +1.4 mm versus Black Shark 3

Weight

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

  1. 1. Black Shark 3

    222 g

    +102 g versus V821

  2. 2. V821

    120 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. Black Shark 3

    Screen diagonal:
    6.67 in
    Aspect ratio (height:width):
    20:9
    Approximate rectangular screen area:
    107.4 cm²
  2. 2. V821

    V821: Screen geometry unavailable or conflicting.

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, V821, compared at the same storage capacity.
StorageBlack Shark 3V821
128 GB 8 / 12 GB RAM Alternative RAM configurations Unknown
256 GB 12 GB RAM Unknown
V821: Original memory entry

256 MB

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. V821

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. V821

Everyday essentials
Everyday essentials — specifications for Black Shark 3, V821.
SpecificationBlack Shark 3V821
Dimensions (HxWxD)
  • 168.7 Х 77.3 Х 10.4 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 222 g
  • 120 g
Technology
  • AMOLED
  • TFT
Screen size
  • 6.67" inch
  • 0" inch
Screen resolution
  • 1080 x 2400 px
  • 320 x 240 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
  • 256 MB
Memory card support
  • No
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 4720 mAh
  • Non-removable Li-Po
  • 0 mAh,
Operating system OS
  • Android 10.0
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm SM8250 Snapdragon 865 (7 nm+)
  • Mediatek MT6516
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Black Shark 3, V821.
SpecificationBlack Shark 3V821
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 107.4 cm2
Unknown
Screen format
  • 20:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 82.4%
Unknown
PPI /points per inch/
  • 395 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Black Shark 3, V821.
SpecificationBlack Shark 3V821
Rear camera, main
  • 64 MP
  • Triple
  • 2 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)
  • 2 MP
  • AF
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 20 MP
  • Single
  • 0 MP,
Specifications
  • 20 MP
  • f/2.2
  • (wide)
  • 1/3''
  • 0.9μm
Unknown
Performance

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

Performance — specifications for Black Shark 3, V821.
SpecificationBlack Shark 3V821
Processor CPU
  • Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
  • 416 MHz
Graphics processor GPU
  • Adreno 650
Unknown
Antutu 8 score *
  • 603541
Unknown
General specs
General specs — specifications for Black Shark 3, V821.
SpecificationBlack Shark 3V821
Release date
  • 2020
  • March 3
  • 2011
  • June
Colors
  • Lightning Black
  • Armor Gray
  • Star Silver
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • $ 550
  • 220 EUR
Body build
  • Glass front
  • aluminum back
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Black Shark 3, V821.
SpecificationBlack Shark 3V821
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Mini-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
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A; 5G
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac/ax
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • QZSS
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • aptX HD
  • aptX Adaptive
  • 2.1
  • A2DP
Music and Audio
Music and Audio — specifications for Black Shark 3, V821.
SpecificationBlack Shark 3V821
Radio
  • No
  • FM radio
Others
  • Always-on display -90Hz refresh rate -500 nits typ. brightness -HDR10+
Unknown
Other features
Other features — specifications for Black Shark 3, V821.
SpecificationBlack Shark 3V821
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
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input