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Allview V4 Viper Pro vs Asus Zenfone Max Pro (M2) ZB631KL

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

      Zenfone Max Pro (M2) ZB631KL: 16.6 g lighter

      V4 Viper Pro:
      191.6 g
      Zenfone Max Pro (M2) ZB631KL:
      175 g

    • Width

      Zenfone Max Pro (M2) ZB631KL: 6.5 mm narrower

      V4 Viper Pro:
      82 mm
      Zenfone Max Pro (M2) ZB631KL:
      75.5 mm

    • Screen diagonal

      Zenfone Max Pro (M2) ZB631KL: 0.54 in smaller diagonal

      V4 Viper Pro:
      6.8 in
      Zenfone Max Pro (M2) ZB631KL:
      6.26 in

    • Chipset

      V4 Viper Pro:
      Mediatek MT6739 (28 nm)
      Zenfone Max Pro (M2) ZB631KL:
      Qualcomm SDM660 Snapdragon 660 (14 nm)

    • Height

      Zenfone Max Pro (M2) ZB631KL: 13.1 mm shorter

      V4 Viper Pro:
      171 mm
      Zenfone Max Pro (M2) ZB631KL:
      157.9 mm

    • Release year

      V4 Viper Pro:
      2020
      Zenfone Max Pro (M2) ZB631KL:
      2018

    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 +13.1 mm versus Zenfone Max Pro (M2) ZB631KL
      Width:
      82 mm +6.5 mm versus Zenfone Max Pro (M2) ZB631KL
      Depth:
      8.8 mm

    2. 2. Zenfone Max Pro (M2) ZB631KL

      Height:
      157.9 mm
      Width:
      75.5 mm
      Depth:
      8.5 mm

    Weight

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

    1. 1. V4 Viper Pro

      191.6 g

      +16.6 g versus Zenfone Max Pro (M2) ZB631KL

    2. 2. Zenfone Max Pro (M2) ZB631KL

      175 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. Zenfone Max Pro (M2) ZB631KL

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

    V4 Viper Pro has approximately 18% more rectangular screen area than Zenfone Max Pro (M2) ZB631KL.

    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, Zenfone Max Pro (M2) ZB631KL, compared at the same storage capacity.
    StorageV4 Viper ProZenfone Max Pro (M2) ZB631KL
    32 GB 2 GB RAM Unknown
    Zenfone Max Pro (M2) ZB631KL: Original memory entry

    64 GB · 4/6 GB RAM 32 GB · 3 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. Zenfone Max Pro (M2) ZB631KL

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 512 GB (dedicated 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. Zenfone Max Pro (M2) ZB631KL

      5000 mAh

      +1500 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. Zenfone Max Pro (M2) ZB631KL

    Everyday essentials
    Everyday essentials — specifications for V4 Viper Pro, Zenfone Max Pro (M2) ZB631KL.
    SpecificationV4 Viper ProZenfone Max Pro (M2) ZB631KL
    Dimensions (HxWxD)
    • 171 Х 82 Х 8.8 mm
    • 157.9 Х 75.5 Х 8.5 mm
    Weight
    • 191.6 g
    • 175 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 6.8" inch
    • 6.26" inch
    Screen resolution
    • 640 x 1352 px
    • 1080 x 2280 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 32 GB
    • 3 GB RAM
    Memory card support
    • microSD
    • up to 128 GB (uses shared SIM slot)
    • microSD
    • up to 512 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Po
    • 5000 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 9.0 (Pie)
    • Android 8.1 (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, Zenfone Max Pro (M2) ZB631KL.
    SpecificationV4 Viper ProZenfone Max Pro (M2) ZB631KL
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 115.4 cm2
    • 97.8 cm2
    Screen format
    • 19:9 (height:width)
    • 19:9 (height:width)
    Screen to body ratio
    • 82.3%
    • 82.0%
    PPI /points per inch/
    • 220 PPI
    • 403 PPI
    Screen protection Unknown
    • Corning Gorilla Glass 6
    Camera and Video
    Camera and Video — specifications for V4 Viper Pro, Zenfone Max Pro (M2) ZB631KL.
    SpecificationV4 Viper ProZenfone Max Pro (M2) ZB631KL
    Rear camera, main
    • 13 MP
    • Dual-LED flash
    • 12 MP
    • Dual
    Camera specs
    • 13 MP
    • AF -0.3 MP
    • (ultrawide/depth sensor)
    • 12 MP
    • f/1.8
    • 1/2.9''
    • 1.25µm
    • PDAF -5 MP
    • f/2.4
    • 1.12µm
    • depth sensor
    Functions
    • Dual-LED flash
    • LED flash
    • HDR
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 13 MP
    • Single
    Specifications
    • 8 MP
    • 13MP
    • f/2.0
    • 1.12µm
    Performance

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

    Performance — specifications for V4 Viper Pro, Zenfone Max Pro (M2) ZB631KL.
    SpecificationV4 Viper ProZenfone Max Pro (M2) ZB631KL
    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
    GeekBench 5 Single Core * Unknown
    • 291
    GeekBench 5 Multi-Core * Unknown
    • 1204
    General specs
    General specs — specifications for V4 Viper Pro, Zenfone Max Pro (M2) ZB631KL.
    SpecificationV4 Viper ProZenfone Max Pro (M2) ZB631KL
    Release date
    • 2020
    • January
    • 2018
    • December
    Colors
    • Dark Grey
    • Blue
    • Titanium
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 170 EUR
    		 Unknown
    Body build Unknown
    • Front glass
    • plastic body
    Communication and Connectivity
    Communication and Connectivity — specifications for V4 Viper Pro, Zenfone Max Pro (M2) ZB631KL.
    SpecificationV4 Viper ProZenfone Max Pro (M2) ZB631KL
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • 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 -3G - HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800)
    • 40(2300)
    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 b/g/n
    • WiFi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • GALILEO
    • QZSS
    USB
    • microUSB 2.0
    • microUSB 2.0
    • USB On-The-Go
    Bluetooth
    • 4.0
    • A2DP
    • 5.0
    • A2DP
    • LE
    Harmful irradiation
    • SAR EU - 1.20 W/kg (head)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for V4 Viper Pro, Zenfone Max Pro (M2) ZB631KL.
    SpecificationV4 Viper ProZenfone Max Pro (M2) ZB631KL
    Radio
    • FM radio
    • FM radio
    Others Unknown
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for V4 Viper Pro, Zenfone Max Pro (M2) ZB631KL.
    SpecificationV4 Viper ProZenfone Max Pro (M2) ZB631KL
    Dop
    • Sensors Fingerprint (rear-mounted)
    • Sensors Accelerometer
    • proximity - Battery charging 10W - For Europe
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Charging 5V/2A 10W