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Allview V4 Viper Pro vs HP Slate7 VoiceTab

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: 133.4 g lighter

      V4 Viper Pro:
      191.6 g
      Slate7 VoiceTab:
      325 g

    • Screen diagonal

      V4 Viper Pro: 0.2 in smaller diagonal

      V4 Viper Pro:
      6.8 in
      Slate7 VoiceTab:
      7 in

    • Release year

      V4 Viper Pro:
      2020
      Slate7 VoiceTab:
      2014

    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
      Width:
      82 mm
      Depth:
      8.8 mm

    2. 2. Slate7 VoiceTab

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    Weight

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

    1. 1. V4 Viper Pro

      191.6 g

    2. 2. Slate7 VoiceTab

      325 g

      +133.4 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. Slate7 VoiceTab

      Screen diagonal:
      7 in
      Aspect ratio (height:width):
      16:10
      Approximate rectangular screen area:
      142.1 cm²

    Slate7 VoiceTab has approximately 23.1% more rectangular screen area than V4 Viper Pro.

    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, Slate7 VoiceTab, compared at the same storage capacity.
    StorageV4 Viper ProSlate7 VoiceTab
    16 GB Not recorded 1 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. Slate7 VoiceTab

    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.

    Recorded battery capacity

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

    1. 1. V4 Viper Pro

      3500 mAh

    2. 2. Slate7 VoiceTab

      4100 mAh

      +600 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. Slate7 VoiceTab

    Everyday essentials
    Everyday essentials — specifications for V4 Viper Pro, Slate7 VoiceTab.
    SpecificationV4 Viper ProSlate7 VoiceTab
    Dimensions (HxWxD)
    • 171 Х 82 Х 8.8 mm
    • Х Х mm
    Weight
    • 191.6 g
    • 325 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 6.8" inch
    • 7" inch
    Screen resolution
    • 640 x 1352 px
    • 800 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
    • 1 GB RAM
    Memory card support
    • microSD
    • up to 128 GB (uses shared SIM slot)
    • microSD
    • up to 32 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Po
    • 4100 mAh
    • Non-removable Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Android 4.2.2 (Jelly Bean)
    Chipset
    • Mediatek MT6739 (28 nm)
    • Marvell PXA1088
    NFC
    • Super AMOLED
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for V4 Viper Pro, Slate7 VoiceTab.
    SpecificationV4 Viper ProSlate7 VoiceTab
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 115.4 cm2
    • 142.1 cm2
    Screen format
    • 19:9 (height:width)
    • 16:10 (height:width)
    Screen to body ratio
    • 82.3%
    		 Unknown
    PPI /points per inch/
    • 220 PPI
    • 216 PPI
    Camera and Video
    Camera and Video — specifications for V4 Viper Pro, Slate7 VoiceTab.
    SpecificationV4 Viper ProSlate7 VoiceTab
    Rear camera, main
    • 13 MP
    • Dual-LED flash
    • 5 MP
    • Single
    Camera specs
    • 13 MP
    • AF -0.3 MP
    • (ultrawide/depth sensor)
    • 5 MP
    • AF
    Functions
    • Dual-LED flash
    • LED flash
    • panorama
    Video
    • 1080p@30fps
    • Yes
    Front camera, selfie
    • 8 MP
    • Single
    • 2 MP
    • Single
    Specifications
    • 8 MP
    • 2 MP
    Performance

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

    Performance — specifications for V4 Viper Pro, Slate7 VoiceTab.
    SpecificationV4 Viper ProSlate7 VoiceTab
    Processor CPU
    • Quad-core 1.3 GHz Cortex-A53
    • Quad-core 1.2 GHz
    Graphics processor GPU
    • PowerVR GE8100
    		 Unknown
    Antutu 7 score * Unknown
    • 23415
    General specs
    General specs — specifications for V4 Viper Pro, Slate7 VoiceTab.
    SpecificationV4 Viper ProSlate7 VoiceTab
    Release date
    • 2020
    • January
    • 2014
    • January
    Colors
    • Dark Grey
    • Black/White
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 170 EUR
    • 180 EUR
    Communication and Connectivity
    Communication and Connectivity — specifications for V4 Viper Pro, Slate7 VoiceTab.
    SpecificationV4 Viper ProSlate7 VoiceTab
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Dual SIM (Mini-SIM & Micro-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)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
    Speed
    • HSPA 21.1/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA
    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
    • 3.0
    • EDR
    Harmful irradiation
    • SAR EU - 1.20 W/kg (head)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for V4 Viper Pro, Slate7 VoiceTab.
    SpecificationV4 Viper ProSlate7 VoiceTab
    Radio
    • FM radio
    • No
    Others Unknown
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for V4 Viper Pro, Slate7 VoiceTab.
    SpecificationV4 Viper ProSlate7 VoiceTab
    Dop
    • Sensors Fingerprint (rear-mounted)
    • Sensors Accelerometer
    • proximity - Battery charging 10W - For Europe
    • Sensors Accelerometer
    • gyro
    • proximity
    • compass - Preliminary official specifications