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Allview V4 Viper Pro vs Samsung Galaxy A9 Star

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

      V4 Viper Pro:
      LCD
      Galaxy A9 Star:
      OLED

    • Width

      Galaxy A9 Star: 5 mm narrower

      V4 Viper Pro:
      82 mm
      Galaxy A9 Star:
      77 mm

    • Screen diagonal

      Galaxy A9 Star: 0.5 in smaller diagonal

      V4 Viper Pro:
      6.8 in
      Galaxy A9 Star:
      6.3 in

    • Chipset

      V4 Viper Pro:
      Mediatek MT6739 (28 nm)
      Galaxy A9 Star:
      Qualcomm SDM660 Snapdragon 660 (14 nm)

    • Depth

      Galaxy A9 Star: 1.2 mm thinner

      V4 Viper Pro:
      8.8 mm
      Galaxy A9 Star:
      7.6 mm

    • Height

      Galaxy A9 Star: 8.6 mm shorter

      V4 Viper Pro:
      171 mm
      Galaxy A9 Star:
      162.4 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. V4 Viper Pro

      Height:
      171 mm +8.6 mm versus Galaxy A9 Star
      Width:
      82 mm +5 mm versus Galaxy A9 Star
      Depth:
      8.8 mm +1.2 mm versus Galaxy A9 Star

    2. 2. Galaxy A9 Star

      Height:
      162.4 mm
      Width:
      77 mm
      Depth:
      7.6 mm

    Weight

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

    1. 1. V4 Viper Pro

      191.6 g

      +0.6 g versus Galaxy A9 Star

    2. 2. Galaxy A9 Star

      191 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. V4 Viper Pro

      Screen diagonal:
      6.8 in
      Aspect ratio (height:width):
      19:9
      Approximate rectangular screen area:
      115.4 cm²

    2. 2. Galaxy A9 Star

      Screen diagonal:
      6.3 in
      Aspect ratio (height:width):
      18.5:9
      Approximate rectangular screen area:
      100.7 cm²

    V4 Viper Pro has approximately 14.6% more rectangular screen area than Galaxy A9 Star.

    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 V4 Viper Pro, Galaxy A9 Star, compared at the same storage capacity.
    StorageV4 Viper ProGalaxy A9 Star
    32 GB 2 GB RAM Unknown
    Galaxy A9 Star: Original memory entry

    64 GB · 4/6 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. V4 Viper Pro

    NFC:
    See details Super AMOLED
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 128 GB (uses shared SIM slot)

    2. Galaxy A9 Star

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

    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. V4 Viper Pro

      3500 mAh

    2. 2. Galaxy A9 Star

      3700 mAh

      +200 mAh versus V4 Viper Pro

    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. V4 Viper Pro2. Galaxy A9 Star

    Everyday essentials
    Everyday essentials — specifications for V4 Viper Pro, Galaxy A9 Star.
    SpecificationV4 Viper ProGalaxy A9 Star
    Dimensions (HxWxD)
    • 171 Х 82 Х 8.8 mm
    • 162.4 Х 77 Х 7.6 mm
    Weight
    • 191.6 g
    • 191 g
    Technology
    • IPS LCD
    • Super AMOLED
    Screen size
    • 6.8" inch
    • 6.3" inch
    Screen resolution
    • 640 x 1352 px
    • 1080 x 2220 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32GB 2GB RAM
    • 64 GB
    • 4/6 GB RAM
    Memory card support
    • microSD
    • up to 128 GB (uses shared SIM slot)
    • microSD
    • up to 512 GB (uses SIM 2 slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Po
    • 3700 mAh
    • Non-removable Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Android 8 (Oreo)
    Chipset
    • Mediatek MT6739 (28 nm)
    • Qualcomm SDM660 Snapdragon 660 (14 nm)
    NFC
    • Super AMOLED
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for V4 Viper Pro, Galaxy A9 Star.
    SpecificationV4 Viper ProGalaxy A9 Star
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 115.4 cm2
    • 100.7 cm2
    Screen format
    • 19:9 (height:width)
    • 18.5:9 (height:width)
    Screen to body ratio
    • 82.3%
    • 80.6%
    PPI /points per inch/
    • 220 PPI
    • 392 PPI
    Camera and Video
    Camera and Video — specifications for V4 Viper Pro, Galaxy A9 Star.
    SpecificationV4 Viper ProGalaxy A9 Star
    Rear camera, main
    • 13 MP
    • Dual-LED flash
    • 24 MP
    • Dual
    Camera specs
    • 13 MP
    • AF -0.3 MP
    • (ultrawide/depth sensor)
    • 24 MP
    • f/1.7 -16 MP
    • f/1.7
    • PDAF
    Functions
    • Dual-LED flash
    • LED flash
    • panorama
    • HDR
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 24 MP
    • Single
    Specifications
    • 8 MP
    • 24 MP
    • f/2.0
    Performance

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

    Performance — specifications for V4 Viper Pro, Galaxy A9 Star.
    SpecificationV4 Viper ProGalaxy A9 Star
    Processor CPU
    • Quad-core 1.3 GHz Cortex-A53
    • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
    Graphics processor GPU
    • PowerVR GE8100
    • Adreno 512
    Antutu 7 score * Unknown
    • 104325
    General specs
    General specs — specifications for V4 Viper Pro, Galaxy A9 Star.
    SpecificationV4 Viper ProGalaxy A9 Star
    Release date
    • 2020
    • January
    • 2018
    • June
    Colors
    • Dark Grey
    • Black
    • White
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 170 EUR
    • 350 EUR
    Body build Unknown
    • Front/back glass
    • aluminum frame
    Communication and Connectivity
    Communication and Connectivity — specifications for V4 Viper Pro, Galaxy A9 Star.
    SpecificationV4 Viper ProGalaxy A9 Star
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Hybrid Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
    • 3(1800)
    • 7(2600)
    • 20(800)
    • 38(2600)
    • 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
    Speed
    • HSPA 21.1/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA 42.2/5.76 Mbps
    • LTE-A (3CA) Cat9 450/50 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • GALILEO
    USB
    • microUSB 2.0
    • 2.0
    • Type-C 1.0 reversible connector
    Bluetooth
    • 4.0
    • A2DP
    • 5.0
    • A2DP
    • LE
    Harmful irradiation
    • SAR EU - 1.20 W/kg (head)
    • SAR EU - 0.43 W/kg (head) 1.79 W/kg (body)
    Music and Audio
    Music and Audio — specifications for V4 Viper Pro, Galaxy A9 Star.
    SpecificationV4 Viper ProGalaxy A9 Star
    Radio
    • FM radio
    • FM radio
    Others Unknown
    • Active noise cancellation with dedicated mic -Dolby Atmos sound (headphones only)
    Other features
    Other features — specifications for V4 Viper Pro, Galaxy A9 Star.
    SpecificationV4 Viper ProGalaxy A9 Star
    Dop
    • Sensors Fingerprint (rear-mounted)
    • Sensors Accelerometer
    • proximity - Battery charging 10W - For Europe
    • 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)