Allview V1 Viper i4G vs BLU J2

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.

  • Width

    V1 Viper i4G: 4.8 mm narrower

    V1 Viper i4G:
    68.3 mm
    J2:
    73.1 mm
  • Screen diagonal

    V1 Viper i4G: 0.3 in smaller diagonal

    V1 Viper i4G:
    4.7 in
    J2:
    5 in
  • Depth

    V1 Viper i4G: 0.7 mm thinner

    V1 Viper i4G:
    9.6 mm
    J2:
    10.3 mm
  • Height

    V1 Viper i4G: 6.7 mm shorter

    V1 Viper i4G:
    137.3 mm
    J2:
    144 mm
  • Release year

    V1 Viper i4G:
    2015
    J2:
    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. V1 Viper i4G

    Height:
    137.3 mm
    Width:
    68.3 mm
    Depth:
    9.6 mm
  2. 2. J2

    Height:
    144 mm +6.7 mm versus V1 Viper i4G
    Width:
    73.1 mm +4.8 mm versus V1 Viper i4G
    Depth:
    10.3 mm +0.7 mm versus V1 Viper i4G

Weight

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

  1. 1. V1 Viper i4G

    149.9 g

    +3.9 g versus J2

  2. 2. J2

    146 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. V1 Viper i4G

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. J2

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

J2 has approximately 13.2% more rectangular screen area than V1 Viper i4G.

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 V1 Viper i4G, J2, compared at the same storage capacity.
StorageV1 Viper i4GJ2
8 GB 1 GB RAM Not recorded
32 GB Not recorded 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. V1 Viper i4G

NFC:
See details Super AMOLED
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

2. J2

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. V1 Viper i4G

    1800 mAh

  2. 2. J2

    2000 mAh

    +200 mAh versus V1 Viper i4G

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. V1 Viper i4G2. J2

Everyday essentials
Everyday essentials — specifications for V1 Viper i4G, J2.
SpecificationV1 Viper i4GJ2
Dimensions (HxWxD)
  • 137.3 Х 68.3 Х 9.6 mm
  • 144 Х 73.1 Х 10.3 mm
Weight
  • 149.9 g
  • 146 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4.7" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 32GB 1GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSDXC
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Po
  • 2000 mAh
  • Li-Po
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 8.1 Oreo (Go edition)
Chipset
  • Mediatek MT6582 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V1 Viper i4G, J2.
SpecificationV1 Viper i4GJ2
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 60.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 164.9 Х 75.8 Х 8.4 mm
  • 65.4%
PPI /points per inch/
  • 208 PPI
  • 196 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for V1 Viper i4G, J2.
SpecificationV1 Viper i4GJ2
Rear camera, main
  • 5 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 5 MP
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
Performance
Performance — specifications for V1 Viper i4G, J2.
SpecificationV1 Viper i4GJ2
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-400
General specs
General specs — specifications for V1 Viper i4G, J2.
SpecificationV1 Viper i4GJ2
Release date
  • 2015
  • 2019
  • December
Colors
  • Black
  • White
  • Blue
  • Black
  • Brown
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 50 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 8 h 20 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for V1 Viper i4G, J2.
SpecificationV1 Viper i4GJ2
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)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • 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
Harmful irradiation
  • SAR EU - 0.44 W/kg (head) 0.41 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for V1 Viper i4G, J2.
SpecificationV1 Viper i4GJ2
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for V1 Viper i4G, J2.
SpecificationV1 Viper i4GJ2
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer For USA