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Allview V4 Viper Pro vs verykool s4002 Leo

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

      s4002 Leo: 79.6 g lighter

      V4 Viper Pro:
      191.6 g
      s4002 Leo:
      112 g

    • Width

      s4002 Leo: 19 mm narrower

      V4 Viper Pro:
      82 mm
      s4002 Leo:
      63 mm

    • Screen diagonal

      s4002 Leo: 2.8 in smaller diagonal

      V4 Viper Pro:
      6.8 in
      s4002 Leo:
      4 in

    • Chipset

      V4 Viper Pro:
      Mediatek MT6739 (28 nm)
      s4002 Leo:
      Mediatek MT6571E

    • Depth

      V4 Viper Pro: 1.9 mm thinner

      V4 Viper Pro:
      8.8 mm
      s4002 Leo:
      10.7 mm

    • Height

      s4002 Leo: 49 mm shorter

      V4 Viper Pro:
      171 mm
      s4002 Leo:
      122 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 +49 mm versus s4002 Leo
      Width:
      82 mm +19 mm versus s4002 Leo
      Depth:
      8.8 mm

    2. 2. s4002 Leo

      Height:
      122 mm
      Width:
      63 mm
      Depth:
      10.7 mm +1.9 mm versus V4 Viper Pro

    Weight

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

    1. 1. V4 Viper Pro

      191.6 g

      +79.6 g versus s4002 Leo

    2. 2. s4002 Leo

      112 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. s4002 Leo

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

    V4 Viper Pro has approximately 153.4% more rectangular screen area than s4002 Leo.

    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, s4002 Leo, compared at the same storage capacity.
    StorageV4 Viper Pros4002 Leo
    32 GB 2 GB RAM Unknown
    s4002 Leo: Original memory entry

    512 MB · 256 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. 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. s4002 Leo

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 32 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. V4 Viper Pro

      3500 mAh

      +2050 mAh versus s4002 Leo

    2. 2. s4002 Leo

      1450 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. V4 Viper Pro2. s4002 Leo

    Everyday essentials
    Everyday essentials — specifications for V4 Viper Pro, s4002 Leo.
    SpecificationV4 Viper Pros4002 Leo
    Dimensions (HxWxD)
    • 171 Х 82 Х 8.8 mm
    • 122 Х 63 Х 10.7 mm
    Weight
    • 191.6 g
    • 112 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 6.8" inch
    • 4" inch
    Screen resolution
    • 640 x 1352 px
    • 480 x 800 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32GB 2GB RAM
    • 512 MB
    • 256 MB RAM
    Memory card support
    • microSD
    • up to 128 GB (uses shared SIM slot)
    • microSD
    • up to 32 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Po
    • 1450 mAh
    • Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Android 4.4.2 (KitKat)
    Chipset
    • Mediatek MT6739 (28 nm)
    • Mediatek MT6571E
    NFC
    • Super AMOLED
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for V4 Viper Pro, s4002 Leo.
    SpecificationV4 Viper Pros4002 Leo
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 115.4 cm2
    • 45.5 cm2
    Screen format
    • 19:9 (height:width)
    • 5:3 (height:width)
    Screen to body ratio
    • 82.3%
    • 59.3%
    PPI /points per inch/
    • 220 PPI
    • 233 PPI
    Camera and Video
    Camera and Video — specifications for V4 Viper Pro, s4002 Leo.
    SpecificationV4 Viper Pros4002 Leo
    Rear camera, main
    • 13 MP
    • Dual-LED flash
    • 5 MP
    • Single
    Camera specs
    • 13 MP
    • AF -0.3 MP
    • (ultrawide/depth sensor)
    • 5 MP
    Functions
    • Dual-LED flash
    • LED flash
    Video
    • 1080p@30fps
    • 720p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 1.3 MP
    • Single
    Specifications
    • 8 MP
    • 1.3 MP
    Performance
    Performance — specifications for V4 Viper Pro, s4002 Leo.
    SpecificationV4 Viper Pros4002 Leo
    Processor CPU
    • Quad-core 1.3 GHz Cortex-A53
    • Dual-core 1.3 GHz Cortex-A7
    Graphics processor GPU
    • PowerVR GE8100
    • Mali-400
    General specs
    General specs — specifications for V4 Viper Pro, s4002 Leo.
    SpecificationV4 Viper Pros4002 Leo
    Release date
    • 2020
    • January
    • 2015
    • January
    Colors
    • Dark Grey
    • Black
    • White
    • Yellow
    • Blue
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 170 EUR
    • 50 EUR
    Battery life Unknown
    • Stand by time- Up to 240 h (3G) Talking time- Up to 7 h (3G)
    Communication and Connectivity
    Communication and Connectivity — specifications for V4 Viper Pro, s4002 Leo.
    SpecificationV4 Viper Pros4002 Leo
    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 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
    • 3(1800)
    • 7(2600)
    • 20(800)
    • 38(2600)
    		 Unknown
    Speed
    • HSPA 21.1/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    		 Unknown
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • microUSB 2.0
    Bluetooth
    • 4.0
    • A2DP
    • 4.0
    • LE
    Harmful irradiation
    • SAR EU - 1.20 W/kg (head)
    • SAR EU - 0.49 W/kg (head) 0.74 W/kg (body)
    Music and Audio
    Music and Audio — specifications for V4 Viper Pro, s4002 Leo.
    SpecificationV4 Viper Pros4002 Leo
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for V4 Viper Pro, s4002 Leo.
    SpecificationV4 Viper Pros4002 Leo
    Dop
    • Sensors Fingerprint (rear-mounted)
    • Sensors Accelerometer
    • proximity - Battery charging 10W - For Europe
    • Sensors Accelerometer