Samsung Galaxy A9 Star vs ZTE V821

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.

  • Weight

    V821: 71 g lighter

    Galaxy A9 Star:
    191 g
    V821:
    120 g
  • Width

    V821: 20.5 mm narrower

    Galaxy A9 Star:
    77 mm
    V821:
    56.5 mm
  • Chipset

    Galaxy A9 Star:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    V821:
    Mediatek MT6516
  • Rear camera layout

    Galaxy A9 Star:
    Dual
    V821:
    Single
  • Depth

    Galaxy A9 Star: 4.2 mm thinner

    Galaxy A9 Star:
    7.6 mm
    V821:
    11.8 mm
  • Height

    V821: 46.4 mm shorter

    Galaxy A9 Star:
    162.4 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. Galaxy A9 Star

    Height:
    162.4 mm +46.4 mm versus V821
    Width:
    77 mm +20.5 mm versus V821
    Depth:
    7.6 mm
  2. 2. V821

    Height:
    116 mm
    Width:
    56.5 mm
    Depth:
    11.8 mm +4.2 mm versus Galaxy A9 Star

Weight

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

  1. 1. Galaxy A9 Star

    191 g

    +71 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. Galaxy A9 Star

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    18.5:9
    Approximate rectangular screen area:
    100.7 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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Galaxy A9 Star: Original memory entry

64 GB · 4/6 GB RAM

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. Galaxy A9 Star

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 512 GB (uses SIM 2 slot)

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. Galaxy A9 Star2. V821

Everyday essentials
Everyday essentials — specifications for Galaxy A9 Star, V821.
SpecificationGalaxy A9 StarV821
Dimensions (HxWxD)
  • 162.4 Х 77 Х 7.6 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 191 g
  • 120 g
Technology
  • Super AMOLED
  • TFT
Screen size
  • 6.3" inch
  • 0" inch
Screen resolution
  • 1080 x 2220 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4/6 GB RAM
  • 256 MB
Memory card support
  • microSD
  • up to 512 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3700 mAh
  • Non-removable Li-Ion
  • 0 mAh,
Operating system OS
  • Android 8 (Oreo)
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Mediatek MT6516
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Galaxy A9 Star, V821.
SpecificationGalaxy A9 StarV821
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 100.7 cm2
Unknown
Screen format
  • 18.5:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 80.6%
Unknown
PPI /points per inch/
  • 392 PPI
  • 0 PPI
Camera and Video
Camera and Video — specifications for Galaxy A9 Star, V821.
SpecificationGalaxy A9 StarV821
Rear camera, main
  • 24 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 24 MP
  • f/1.7 -16 MP
  • f/1.7
  • PDAF
  • 2 MP
  • AF
Functions
  • LED flash
  • panorama
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 24 MP
  • Single
  • 0 MP,
Specifications
  • 24 MP
  • f/2.0
Unknown
Performance

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

Performance — specifications for Galaxy A9 Star, V821.
SpecificationGalaxy A9 StarV821
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • 416 MHz
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 7 score *
  • 104325
Unknown
General specs
General specs — specifications for Galaxy A9 Star, V821.
SpecificationGalaxy A9 StarV821
Release date
  • 2018
  • June
  • 2011
  • June
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 350 EUR
  • 220 EUR
Body build
  • Front/back glass
  • aluminum frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Galaxy A9 Star, V821.
SpecificationGalaxy A9 StarV821
SIM card
  • Hybrid 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 - China -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - Global LTE band 1(2100)
  • 41(2500) - China
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • Yes
  • with A-GPS
USB
  • 2.0
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.43 W/kg (head) 1.79 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Galaxy A9 Star, V821.
SpecificationGalaxy A9 StarV821
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic -Dolby Atmos sound (headphones only)
Unknown
Other features
Other features — specifications for Galaxy A9 Star, V821.
SpecificationGalaxy A9 StarV821
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 9V/1.67A -ANT+ - Samsung Pay - Versions: A8 Star (Global
  • SEA
  • South Korea); A9 Star (China)
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input