Allview V2 Viper e vs Energizer Energy E520 LTE

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.

  • Weight

    V2 Viper e: 72.8 g lighter

    V2 Viper e:
    133.2 g
    Energy E520 LTE:
    206 g
  • Width

    V2 Viper e: 10.2 mm narrower

    V2 Viper e:
    66 mm
    Energy E520 LTE:
    76.2 mm
  • Screen diagonal

    V2 Viper e: 0.7 in smaller diagonal

    V2 Viper e:
    4.5 in
    Energy E520 LTE:
    5.2 in
  • Chipset

    V2 Viper e:
    Mediatek MT6580 (28 nm)
    Energy E520 LTE:
    Mediatek MT6737 (28 nm)
  • Depth

    V2 Viper e: 2 mm thinner

    V2 Viper e:
    9.1 mm
    Energy E520 LTE:
    11.1 mm
  • Height

    V2 Viper e: 18.8 mm shorter

    V2 Viper e:
    132 mm
    Energy E520 LTE:
    150.8 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. V2 Viper e

    Height:
    132 mm
    Width:
    66 mm
    Depth:
    9.1 mm
  2. 2. Energy E520 LTE

    Height:
    150.8 mm +18.8 mm versus V2 Viper e
    Width:
    76.2 mm +10.2 mm versus V2 Viper e
    Depth:
    11.1 mm +2 mm versus V2 Viper e

Weight

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

  1. 1. V2 Viper e

    133.2 g

  2. 2. Energy E520 LTE

    206 g

    +72.8 g versus V2 Viper e

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. Energy E520 LTE

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

Energy E520 LTE has approximately 33.5% 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, Energy E520 LTE, compared at the same storage capacity.
StorageV2 Viper eEnergy E520 LTE
8 GB 1 GB RAM Not recorded
16 GB Not recorded 2 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. Energy E520 LTE

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 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. Energy E520 LTE

    4000 mAh

    +2150 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. Energy E520 LTE

Everyday essentials
Everyday essentials — specifications for V2 Viper e, Energy E520 LTE.
SpecificationV2 Viper eEnergy E520 LTE
Dimensions (HxWxD)
  • 132 Х 66 Х 9.1 mm
  • 150.8 Х 76.2 Х 11.1 mm
Weight
  • 133.2 g
  • 206 g
Technology
  • IPS LCD
  • LTPS IPS LCD
Screen size
  • 4.5" inch
  • 5.2" 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
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 32 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1850 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 6.0 (Marshmallow)
Chipset
  • Mediatek MT6580 (28 nm)
  • Mediatek MT6737 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V2 Viper e, Energy E520 LTE.
SpecificationV2 Viper eEnergy E520 LTE
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 55.8 cm2
  • 74.5 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 64.1%
  • 64.9%
PPI /points per inch/
  • 218 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for V2 Viper e, Energy E520 LTE.
SpecificationV2 Viper eEnergy E520 LTE
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 13 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • panorama
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2 MP
  • 5 MP
Performance

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

Performance — specifications for V2 Viper e, Energy E520 LTE.
SpecificationV2 Viper eEnergy E520 LTE
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.3 GHz Cortex-A53
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Mali-T720
Antutu 7 score *
  • 24156
  • 29852
GeekBench 4 Single Core * Unknown
  • 528
GeekBench 4 Multi-Core * Unknown
  • 1486
General specs
General specs — specifications for V2 Viper e, Energy E520 LTE.
SpecificationV2 Viper eEnergy E520 LTE
Release date
  • 2016
  • April
  • 2017
  • September
Colors
  • Black
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 330 EUR
Battery life
  • Stand by time- Up to 185 h Talking time- Up to 10 h
  • Stand by time- Up to 220 h (3G) Talking time- Up to 15 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper e, Energy E520 LTE.
SpecificationV2 Viper eEnergy E520 LTE
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 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 42.2/11.5 Mbps
  • 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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • LE
Harmful irradiation
  • SAR EU - 0.46 W/kg (head)
  • SAR - 0.26 W/kg (head) 0.60 W/kg (body)
Music and Audio
Music and Audio — specifications for V2 Viper e, Energy E520 LTE.
SpecificationV2 Viper eEnergy E520 LTE
Radio
  • FM radio
  • FM radio
Others
  • DTS sound
Unknown
Other features
Other features — specifications for V2 Viper e, Energy E520 LTE.
SpecificationV2 Viper eEnergy E520 LTE
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant