Allview V4 Viper Pro vs vivo NEX Dual Display

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.

  • Display technology

    OLED versus LCD

    V4 Viper Pro:
    LCD
    NEX Dual Display:
    OLED
  • Weight

    V4 Viper Pro: 7.4 g lighter

    V4 Viper Pro:
    191.6 g
    NEX Dual Display:
    199 g
  • Width

    NEX Dual Display: 6.7 mm narrower

    V4 Viper Pro:
    82 mm
    NEX Dual Display:
    75.3 mm
  • Screen diagonal

    NEX Dual Display: 0.41 in smaller diagonal

    V4 Viper Pro:
    6.8 in
    NEX Dual Display:
    6.39 in
  • Chipset

    V4 Viper Pro:
    Mediatek MT6739 (28 nm)
    NEX Dual Display:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Depth

    NEX Dual Display: 0.7 mm thinner

    V4 Viper Pro:
    8.8 mm
    NEX Dual Display:
    8.1 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 +13.8 mm versus NEX Dual Display
    Width:
    82 mm +6.7 mm versus NEX Dual Display
    Depth:
    8.8 mm +0.7 mm versus NEX Dual Display
  2. 2. NEX Dual Display

    Height:
    157.2 mm
    Width:
    75.3 mm
    Depth:
    8.1 mm

Weight

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

  1. 1. V4 Viper Pro

    191.6 g

  2. 2. NEX Dual Display

    199 g

    +7.4 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. NEX Dual Display

    Screen diagonal:
    6.39 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.2 cm²

V4 Viper Pro has approximately 15.1% more rectangular screen area than NEX Dual Display.

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, NEX Dual Display, compared at the same storage capacity.
StorageV4 Viper ProNEX Dual Display
32 GB 2 GB RAM Not recorded
128 GB Not recorded 10 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. NEX Dual Display

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
No

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. NEX Dual Display

    3500 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. NEX Dual Display

Everyday essentials
Everyday essentials — specifications for V4 Viper Pro, NEX Dual Display.
SpecificationV4 Viper ProNEX Dual Display
Dimensions (HxWxD)
  • 171 Х 82 Х 8.8 mm
  • 157.2 Х 75.3 Х 8.1 mm
Weight
  • 191.6 g
  • 199 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 6.8" inch
  • 6.39" inch
Screen resolution
  • 640 x 1352 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 128 GB
  • 10 GB RAM
Memory card support
  • microSD
  • up to 128 GB (uses shared SIM slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3500 mAh
  • Non-removable Li-Po
  • 3500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 9.0 (Pie); Funtouch 4.5
Chipset
  • Mediatek MT6739 (28 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V4 Viper Pro, NEX Dual Display.
SpecificationV4 Viper ProNEX Dual Display
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 115.4 cm2
  • 100.2 cm2
Screen format
  • 19:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 82.3%
  • 84.7%
PPI /points per inch/
  • 220 PPI
  • 403 PPI
Camera and Video
Camera and Video — specifications for V4 Viper Pro, NEX Dual Display.
SpecificationV4 Viper ProNEX Dual Display
Rear camera, main
  • 13 MP
  • Dual-LED flash
  • 12 MP
  • Triple
Camera specs
  • 13 MP
  • AF -0.3 MP
  • (ultrawide/depth sensor)
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • Dual Pixel PDAF -2 MP
  • depth sensor -TOF camera
  • f/1.3
Functions
  • Dual-LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 12 MP
  • Triple
Specifications
  • 8 MP
  • Uses main cameras
Performance

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

Performance — specifications for V4 Viper Pro, NEX Dual Display.
SpecificationV4 Viper ProNEX Dual Display
Processor CPU
  • Quad-core 1.3 GHz Cortex-A53
  • Octa-core (4x2.7 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver)
Graphics processor GPU
  • PowerVR GE8100
  • Adreno 630
Antutu 8 score * Unknown
  • 340355
General specs
General specs — specifications for V4 Viper Pro, NEX Dual Display.
SpecificationV4 Viper ProNEX Dual Display
Release date
  • 2020
  • January
  • 2018
  • December
Colors
  • Dark Grey
  • Polar Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 170 EUR
  • 700 EUR
Communication and Connectivity
Communication and Connectivity — specifications for V4 Viper Pro, NEX Dual Display.
SpecificationV4 Viper ProNEX Dual Display
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 CDMA 800 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 19(800)
  • 28(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • BDS
  • GNSS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
  • 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, NEX Dual Display.
SpecificationV4 Viper ProNEX Dual Display
Radio
  • FM radio
  • No
Others Unknown
  • Secondary display (on the back): -Super AMOLED
  • 5.49 inches
  • 1080 x 1920 pixels
  • 32-bit/192kHz audio -Active noise cancellation with dedicated mic
Other features
Other features — specifications for V4 Viper Pro, NEX Dual Display.
SpecificationV4 Viper ProNEX Dual Display
Dop
  • Sensors Fingerprint (rear-mounted)
  • Sensors Accelerometer
  • proximity - Battery charging 10W - For Europe
  • Sensors Fingerprint (under display)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 10V/2.25A 22.5W