Allview Viper E vs HTC Desire 520

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.

  • Width

    Viper E: 3.9 mm narrower

    Viper E:
    65 mm
    Desire 520:
    68.9 mm
  • Chipset

    Viper E:
    Mediatek MT6582 (28 nm)
    Desire 520:
    Qualcomm MSM8909 Snapdragon 210 (28 nm)
  • Depth

    Viper E: 1.3 mm thinner

    Viper E:
    7.8 mm
    Desire 520:
    9.1 mm
  • Height

    Viper E: 8.8 mm shorter

    Viper E:
    131 mm
    Desire 520:
    139.8 mm
  • Release year

    Viper E:
    2014
    Desire 520:
    2015

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. Viper E

    Height:
    131 mm
    Width:
    65 mm
    Depth:
    7.8 mm
    Weight:
    122.5 g
  2. 2. Desire 520

    Height:
    139.8 mm +8.8 mm versus Viper E
    Width:
    68.9 mm +3.9 mm versus Viper E
    Depth:
    9.1 mm +1.3 mm versus Viper E
    Weight:
    Unknown

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. Viper E

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Desire 520

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

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 Viper E, Desire 520, compared at the same storage capacity.
StorageViper EDesire 520
8 GB Recorded for all phones 1 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. Viper E

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

2. Desire 520

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated 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. Viper E

    1800 mAh

  2. 2. Desire 520

    2000 mAh

    +200 mAh versus 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. Viper E2. Desire 520

Everyday essentials
Everyday essentials — specifications for Viper E, Desire 520.
SpecificationViper EDesire 520
Dimensions (HxWxD)
  • 131 Х 65 Х 7.8 mm
  • 139.8 Х 68.9 Х 9.1 mm
Weight
  • 122.5 g
  • 0 g
Technology
  • IPS LCD
Unknown
Screen size
  • 4.5" inch
  • 4.5" 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
  • 8 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.0 (Lollipop)
  • Android 5.1 (Lollipop); Sense 7 UI
Chipset
  • Mediatek MT6582 (28 nm)
  • Qualcomm MSM8909 Snapdragon 210 (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Viper E, Desire 520.
SpecificationViper EDesire 520
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • Super AMOLED
  • 16M
Screen area
  • 55.8 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 127.3 Х 65.5 Х 10 mm
  • 57.9%
PPI /points per inch/
  • 218 PPI
  • 218 PPI
Screen protection
  • Asahi Dragontrail Glass
Unknown
Camera and Video
Camera and Video — specifications for Viper E, Desire 520.
SpecificationViper EDesire 520
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • 720p
Front camera, selfie
  • 2 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 2 MP
  • 2 MP
Performance

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

Performance — specifications for Viper E, Desire 520.
SpecificationViper EDesire 520
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.1 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2 Z525 -Mali-T720MP2 Z528
  • Adreno 304
GeekBench 4 Single Core * Unknown
  • 307
GeekBench 4 Multi-Core * Unknown
  • 563
General specs
General specs — specifications for Viper E, Desire 520.
SpecificationViper EDesire 520
Release date
  • 2014
  • September
  • 2015
  • August
Colors
  • Black
  • White
  • Slate Gray
Battery life
  • Stand by time- Up to 225 h Talking time- Up to 9 h 15 min
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Viper E, Desire 520.
SpecificationViper EDesire 520
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Nano-SIM
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 -3G - HSDPA 850 / 1900 -4G - LTE band 2(1900)
  • 4(1700/2100)
  • 5(850)
  • 17(700)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
  • LTE
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
  • 4.1
  • A2DP
Harmful irradiation
  • SAR EU - 0.84 W/kg (head) 1.24 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Viper E, Desire 520.
SpecificationViper EDesire 520
Radio
  • FM radio
  • FM radio
Others
  • DTS sound -Yamaha amplifier
Unknown
Other features
Other features — specifications for Viper E, Desire 520.
SpecificationViper EDesire 520
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity