Allview V2 Viper e vs ZTE Blade A520

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

    V2 Viper e: 5 mm narrower

    V2 Viper e:
    66 mm
    Blade A520:
    71 mm
  • Screen diagonal

    V2 Viper e: 0.5 in smaller diagonal

    V2 Viper e:
    4.5 in
    Blade A520:
    5 in
  • Chipset

    V2 Viper e:
    Mediatek MT6580 (28 nm)
    Blade A520:
    Mediatek MT6737 (28 nm)
  • Depth

    Blade A520: 0.7 mm thinner

    V2 Viper e:
    9.1 mm
    Blade A520:
    8.4 mm
  • Height

    V2 Viper e: 12 mm shorter

    V2 Viper e:
    132 mm
    Blade A520:
    144 mm
  • Release year

    V2 Viper e:
    2016
    Blade A520:
    2017

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 e

    Height:
    132 mm
    Width:
    66 mm
    Depth:
    9.1 mm +0.7 mm versus Blade A520
  2. 2. Blade A520

    Height:
    144 mm +12 mm versus V2 Viper e
    Width:
    71 mm +5 mm versus V2 Viper e
    Depth:
    8.4 mm

Weight

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

  1. 1. V2 Viper e

    133.2 g

    +3.2 g versus Blade A520

  2. 2. Blade A520

    130 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. V2 Viper e

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Blade A520

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

Blade A520 has approximately 23.5% more rectangular screen area than V2 Viper e.

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 e, Blade A520, compared at the same storage capacity.
StorageV2 Viper eBlade A520
8 GB 1 GB RAM Unknown
Blade A520: Original memory entry

16 GB · 2 GB RAM 8 GB · 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 e

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

2. Blade A520

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 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. V2 Viper e

    1850 mAh

  2. 2. Blade A520

    2400 mAh

    +550 mAh versus V2 Viper e

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 e2. Blade A520

Everyday essentials
Everyday essentials — specifications for V2 Viper e, Blade A520.
SpecificationV2 Viper eBlade A520
Dimensions (HxWxD)
  • 132 Х 66 Х 9.1 mm
  • 144 Х 71 Х 8.4 mm
Weight
  • 133.2 g
  • 130 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 4.5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 16 GB
  • 2 GB RAM 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1850 mAh
  • Removable Li-Ion
  • 2400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 7.0 (Nougat)
Chipset
  • Mediatek MT6580 (28 nm)
  • Mediatek MT6737 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V2 Viper e, Blade A520.
SpecificationV2 Viper eBlade A520
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 64.1%
  • 67.4%
PPI /points per inch/
  • 218 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for V2 Viper e, Blade A520.
SpecificationV2 Viper eBlade A520
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 2 MP
  • 8 MP or 2 MP
Performance

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

Performance — specifications for V2 Viper e, Blade A520.
SpecificationV2 Viper eBlade A520
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.25 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-T720MP2
Antutu 7 score *
  • 24156
  • 27862
GeekBench 4 Single Core * Unknown
  • 517
GeekBench 4 Multi-Core * Unknown
  • 1442
General specs
General specs — specifications for V2 Viper e, Blade A520.
SpecificationV2 Viper eBlade A520
Release date
  • 2016
  • April
  • 2017
  • March
Colors
  • Black
  • White
  • Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 80 EUR
Battery life
  • Stand by time- Up to 185 h Talking time- Up to 10 h
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper e, Blade A520.
SpecificationV2 Viper eBlade A520
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE band 1(2100)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE Cat4 150/50 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 - 0.46 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for V2 Viper e, Blade A520.
SpecificationV2 Viper eBlade A520
Radio
  • FM radio
  • FM radio
Others
  • DTS sound
Unknown
Other features
Other features — specifications for V2 Viper e, Blade A520.
SpecificationV2 Viper eBlade A520
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer