1. Home
  2. Comparison

Allview V4 Viper Pro vs Samsung i637 Jack

Compare recorded specifications, size and practical differences.

+ Add a third phone

    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

      i637 Jack: 89.5 g lighter

      V4 Viper Pro:
      191.6 g
      i637 Jack:
      102.1 g

    • Width

      i637 Jack: 21 mm narrower

      V4 Viper Pro:
      82 mm
      i637 Jack:
      61 mm

    • Screen diagonal

      i637 Jack: 4.4 in smaller diagonal

      V4 Viper Pro:
      6.8 in
      i637 Jack:
      2.4 in

    • Depth

      V4 Viper Pro: 3.9 mm thinner

      V4 Viper Pro:
      8.8 mm
      i637 Jack:
      12.7 mm

    • Height

      i637 Jack: 54 mm shorter

      V4 Viper Pro:
      171 mm
      i637 Jack:
      117 mm

    • Release year

      V4 Viper Pro:
      2020
      i637 Jack:
      2009

    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 +54 mm versus i637 Jack
      Width:
      82 mm +21 mm versus i637 Jack
      Depth:
      8.8 mm

    2. 2. i637 Jack

      Height:
      117 mm
      Width:
      61 mm
      Depth:
      12.7 mm +3.9 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

      +89.5 g versus i637 Jack

    2. 2. i637 Jack

      102.1 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. i637 Jack

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

    V4 Viper Pro has approximately 547% more rectangular screen area than i637 Jack.

    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, i637 Jack, compared at the same storage capacity.
    StorageV4 Viper Proi637 Jack
    32 GB 2 GB RAM Unknown
    i637 Jack: Original memory entry

    256 MB RAM · 256 MB ROM

    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. i637 Jack

    NFC:
    Unknown
    Headphone jack:
    No
    Memory card support:
    See details microSD · up to 16 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

      +2020 mAh versus i637 Jack

    2. 2. i637 Jack

      1480 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. i637 Jack

    Everyday essentials
    Everyday essentials — specifications for V4 Viper Pro, i637 Jack.
    SpecificationV4 Viper Proi637 Jack
    Dimensions (HxWxD)
    • 171 Х 82 Х 8.8 mm
    • 117 Х 61 Х 12.7 mm
    Weight
    • 191.6 g
    • 102.1 g
    Technology
    • IPS LCD
    • TFT
    Screen size
    • 6.8" inch
    • 2.4" inch
    Screen resolution
    • 640 x 1352 px
    • 320 x 240 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 32GB 2GB RAM
    • 256 MB RAM
    • 256 MB ROM
    Memory card support
    • microSD
    • up to 128 GB (uses shared SIM slot)
    • microSD
    • up to 16 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 3500 mAh
    • Non-removable Li-Po
    • 1480 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 9.0 (Pie)
    • Microsoft Windows Mobile 6.1 Standard
    • upgradable to Windows Mobile 6.5
    Chipset
    • Mediatek MT6739 (28 nm)
    		 Unknown
    NFC
    • Super AMOLED
    		 Unknown
    Headphone jack
    • Yes
    • No
    Display
    Display — specifications for V4 Viper Pro, i637 Jack.
    SpecificationV4 Viper Proi637 Jack
    Touchscreen
    • capacitive touchscreen
    		 Unknown
    Display colors
    • 16M
    • 65K
    Screen area
    • 115.4 cm2
    • 17.8 cm2
    Screen format
    • 19:9 (height:width)
    • 4:3 (height:width)
    Screen to body ratio
    • 82.3%
    • 25.0%
    PPI /points per inch/
    • 220 PPI
    • 167 PPI
    Camera and Video
    Camera and Video — specifications for V4 Viper Pro, i637 Jack.
    SpecificationV4 Viper Proi637 Jack
    Rear camera, main
    • 13 MP
    • Dual-LED flash
    • 3.15 MP
    • Single
    Camera specs
    • 13 MP
    • AF -0.3 MP
    • (ultrawide/depth sensor)
    • 3.15 MP
    Functions
    • Dual-LED flash
    		 Unknown
    Video
    • 1080p@30fps
    • Yes
    Front camera, selfie
    • 8 MP
    • Single
    • 0 MP,
    Specifications
    • 8 MP
    		 Unknown
    Performance
    Performance — specifications for V4 Viper Pro, i637 Jack.
    SpecificationV4 Viper Proi637 Jack
    Processor CPU
    • Quad-core 1.3 GHz Cortex-A53
    • 528 MHz
    Graphics processor GPU
    • PowerVR GE8100
    		 Unknown
    General specs
    General specs — specifications for V4 Viper Pro, i637 Jack.
    SpecificationV4 Viper Proi637 Jack
    Release date
    • 2020
    • January
    • 2009
    • May
    Colors
    • Dark Grey
    		 Unknown
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 170 EUR
    • 120 EUR
    Battery life Unknown
    • Stand by time- Up to 288 h Talking time- Up to 7 h
    Communication and Connectivity
    Communication and Connectivity — specifications for V4 Viper Pro, i637 Jack.
    SpecificationV4 Viper Proi637 Jack
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • 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)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
    Speed
    • HSPA 21.1/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA 3.6/0.384 Mbps
    GPRS
    • Yes
    • Class 10
    Edge
    • Yes
    • Class 10
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • hotspot
    • Wi-Fi 802.11 b/g
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • 2.0
    Bluetooth
    • 4.0
    • A2DP
    • 2.0
    • A2DP
    Harmful irradiation
    • SAR EU - 1.20 W/kg (head)
    • SAR - 1.04 W/kg (head) 0.53 W/kg (body)
    Music and Audio
    Music and Audio — specifications for V4 Viper Pro, i637 Jack.
    SpecificationV4 Viper Proi637 Jack
    Radio
    • FM radio
    • No
    Other features
    Other features — specifications for V4 Viper Pro, i637 Jack.
    SpecificationV4 Viper Proi637 Jack
    Dop
    • Sensors Fingerprint (rear-mounted)
    • Sensors Accelerometer
    • proximity - Battery charging 10W - For Europe
    • Windows Media Player 10 -Windows Live
    • Yahoo!
    • AOL -Microsoft Outlook Mobile -Pocket Office -Voice memo/dial -Predictive text input - For AT&T