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Allview V4 Viper Pro vs BLU Studio XL2

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

      V4 Viper Pro: 8.4 g lighter

      V4 Viper Pro:
      191.6 g
      Studio XL2:
      200 g

    • Width

      V4 Viper Pro: 1.6 mm narrower

      V4 Viper Pro:
      82 mm
      Studio XL2:
      83.6 mm

    • Screen diagonal

      Studio XL2: 0.8 in smaller diagonal

      V4 Viper Pro:
      6.8 in
      Studio XL2:
      6 in

    • Chipset

      V4 Viper Pro:
      Mediatek MT6739 (28 nm)
      Studio XL2:
      Mediatek MT6737 (28 nm)

    • Height

      Studio XL2: 5.3 mm shorter

      V4 Viper Pro:
      171 mm
      Studio XL2:
      165.7 mm

    • Release year

      V4 Viper Pro:
      2020
      Studio XL2:
      2016

    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 +5.3 mm versus Studio XL2
      Width:
      82 mm
      Depth:
      8.8 mm

    2. 2. Studio XL2

      Height:
      165.7 mm
      Width:
      83.6 mm +1.6 mm versus V4 Viper Pro
      Depth:
      9.1 mm

    Weight

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

    1. 1. V4 Viper Pro

      191.6 g

    2. 2. Studio XL2

      200 g

      +8.4 g versus V4 Viper Pro

    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. Studio XL2

      Screen diagonal:
      6 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      99.2 cm²

    V4 Viper Pro has approximately 16.3% more rectangular screen area than Studio XL2.

    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, Studio XL2, compared at the same storage capacity.
    StorageV4 Viper ProStudio XL2
    16 GB Not recorded 2 GB RAM
    32 GB 2 GB RAM Not recorded

    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. Studio XL2

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 64 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

    2. 2. Studio XL2

      4900 mAh

      +1400 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. Studio XL2

    Everyday essentials
    Everyday essentials — specifications for V4 Viper Pro, Studio XL2.
    SpecificationV4 Viper ProStudio XL2
    Dimensions (HxWxD)
    • 171 Х 82 Х 8.8 mm
    • 165.7 Х 83.6 Х 9.1 mm
    Weight
    • 191.6 g
    • 200 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 6.8" inch
    • 6" inch
    Screen resolution
    • 640 x 1352 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32GB 2GB RAM
    • 16 GB
    • 2 GB RAM
    Memory card support
    • microSD
    • up to 128 GB (uses shared SIM slot)
    • microSD
    • up to 64 GB
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Po
    • 4900 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 9.0 (Pie)
    • Android 6.0 (Marshmallow)
    Chipset
    • Mediatek MT6739 (28 nm)
    • Mediatek MT6737 (28 nm)
    NFC
    • Super AMOLED
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for V4 Viper Pro, Studio XL2.
    SpecificationV4 Viper ProStudio XL2
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 115.4 cm2
    • 99.2 cm2
    Screen format
    • 19:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 82.3%
    • 71.6%
    PPI /points per inch/
    • 220 PPI
    • 245 PPI
    Camera and Video
    Camera and Video — specifications for V4 Viper Pro, Studio XL2.
    SpecificationV4 Viper ProStudio XL2
    Rear camera, main
    • 13 MP
    • Dual-LED flash
    • 13 MP
    • Single
    Camera specs
    • 13 MP
    • AF -0.3 MP
    • (ultrawide/depth sensor)
    • 13 MP
    • AF
    • f/2.2
    Functions
    • Dual-LED flash
    • LED flash
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 5 MP
    • Single
    Specifications
    • 8 MP
    • 5 MP
    Performance

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

    Performance — specifications for V4 Viper Pro, Studio XL2.
    SpecificationV4 Viper ProStudio XL2
    Processor CPU
    • Quad-core 1.3 GHz Cortex-A53
    • Quad-core 1.3 GHz Cortex-A53
    Graphics processor GPU
    • PowerVR GE8100
    • Mali-T720
    GeekBench 4 Single Core * Unknown
    • 548
    GeekBench 4 Multi-Core * Unknown
    • 1461
    General specs
    General specs — specifications for V4 Viper Pro, Studio XL2.
    SpecificationV4 Viper ProStudio XL2
    Release date
    • 2020
    • January
    • 2016
    • November
    Colors
    • Dark Grey
    • Gray
    • Gold
    • Rose Gold
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 170 EUR
    		 Unknown
    Battery life Unknown
    • Stand by time- Up to 800 h (2G) / Up to 700 h (3G) Talking time- Up to 68 h (2G) / Up to 46 h (3G)
    Communication and Connectivity
    Communication and Connectivity — specifications for V4 Viper Pro, Studio XL2.
    SpecificationV4 Viper ProStudio XL2
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Dual SIM (Micro-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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
    • 4(1700/2100)
    • 7(2600)
    • 12(700)
    • 17(700)
    Speed
    • HSPA 21.1/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA 42.2/11.5 Mbps
    • LTE Cat4 150/50 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • microUSB 2.0
    • USB Host
    Bluetooth
    • 4.0
    • A2DP
    • 4.1
    • A2DP
    • LE
    Harmful irradiation
    • SAR EU - 1.20 W/kg (head)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for V4 Viper Pro, Studio XL2.
    SpecificationV4 Viper ProStudio XL2
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for V4 Viper Pro, Studio XL2.
    SpecificationV4 Viper ProStudio XL2
    Dop
    • Sensors Fingerprint (rear-mounted)
    • Sensors Accelerometer
    • proximity - Battery charging 10W - For Europe
    • Sensors Accelerometer
    • proximity

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