Allview V2 Viper S vs BLU J4

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

    V2 Viper S: 16.4 g lighter

    V2 Viper S:
    141.6 g
    J4:
    158 g
  • Width

    J4: 2.2 mm narrower

    V2 Viper S:
    74.5 mm
    J4:
    72.3 mm
  • Memory variants

    At 32 GB storage

    V2 Viper S:
    3 GB RAM
    J4:
    1 GB RAM
  • Depth

    V2 Viper S: 1.8 mm thinner

    V2 Viper S:
    8.2 mm
    J4:
    10 mm
  • Height

    V2 Viper S: 5 mm shorter

    V2 Viper S:
    146 mm
    J4:
    151 mm
  • Release year

    V2 Viper S:
    2016
    J4:
    2019

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. V2 Viper S

    Height:
    146 mm
    Width:
    74.5 mm +2.2 mm versus J4
    Depth:
    8.2 mm
  2. 2. J4

    Height:
    151 mm +5 mm versus V2 Viper S
    Width:
    72.3 mm
    Depth:
    10 mm +1.8 mm versus V2 Viper S

Weight

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

  1. 1. V2 Viper S

    141.6 g

  2. 2. J4

    158 g

    +16.4 g versus V2 Viper S

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. V2 Viper S

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. J4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²

V2 Viper S has approximately 6.8% more rectangular screen area than J4.

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 V2 Viper S, J4, compared at the same storage capacity.
StorageV2 Viper SJ4
32 GB Recorded for all phones 3 GB RAM 1 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. V2 Viper S

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

2. J4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

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. V2 Viper S

    3000 mAh

    +800 mAh versus J4

  2. 2. J4

    2200 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. V2 Viper S2. J4

Everyday essentials
Everyday essentials — specifications for V2 Viper S, J4.
SpecificationV2 Viper SJ4
Dimensions (HxWxD)
  • 146 Х 74.5 Х 8.2 mm
  • 151 Х 72.3 Х 10 mm
Weight
  • 141.6 g
  • 158 g
Technology
  • LTPS IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.5" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32 GB
  • 3 GB RAM
  • 32GB 1GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Removable Li-Po
  • 2200 mAh
  • Removable Li-Po
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 8.1 Oreo (Go edition)
Chipset
  • Mediatek MT6753 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V2 Viper S, J4.
SpecificationV2 Viper SJ4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 78.1 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 76.7%
  • 71.5%
PPI /points per inch/
  • 401 PPI
  • 293 PPI
Screen protection
  • Scratch-resistant glass
Unknown
Camera and Video
Camera and Video — specifications for V2 Viper S, J4.
SpecificationV2 Viper SJ4
Rear camera, main
  • 16 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 16 MP
  • PDAF & laser AF
  • f/2.0
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 5 MP
  • 8 MP
Performance
Performance — specifications for V2 Viper S, J4.
SpecificationV2 Viper SJ4
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP2
  • Mali-400
General specs
General specs — specifications for V2 Viper S, J4.
SpecificationV2 Viper SJ4
Release date
  • 2016
  • October
  • 2019
  • October
Colors
  • Gray
  • Gold
  • Blue
  • Black
  • Brown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 210 h (3G) Talking time- Up to 14 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper S, J4.
SpecificationV2 Viper SJ4
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-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
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 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
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.1
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for V2 Viper S, J4.
SpecificationV2 Viper SJ4
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for V2 Viper S, J4.
SpecificationV2 Viper SJ4
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE
  • Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS
  • Sensors Accelerometer For USA