Allview V2 Viper X vs Posh Icon HD X551

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.

  • Display technology

    OLED versus LCD

    V2 Viper X:
    OLED
    Icon HD X551:
    LCD
  • Weight

    Icon HD X551: 40.3 g lighter

    V2 Viper X:
    155.3 g
    Icon HD X551:
    115 g
  • Width

    V2 Viper X: 2 mm narrower

    V2 Viper X:
    77 mm
    Icon HD X551:
    79 mm
  • Chipset

    V2 Viper X:
    Mediatek MT6753 (28 nm)
    Icon HD X551:
    Mediatek MT6580A (28 nm)
  • Depth

    V2 Viper X: 1 mm thinner

    V2 Viper X:
    7.2 mm
    Icon HD X551:
    8.2 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 X

    Height:
    154 mm
    Width:
    77 mm
    Depth:
    7.2 mm
  2. 2. Icon HD X551

    Height:
    153.2 mm
    Width:
    79 mm +2 mm versus V2 Viper X
    Depth:
    8.2 mm +1 mm versus V2 Viper X

Weight

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

  1. 1. V2 Viper X

    155.3 g

    +40.3 g versus Icon HD X551

  2. 2. Icon HD X551

    115 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 X

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Icon HD X551

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 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 V2 Viper X, Icon HD X551, compared at the same storage capacity.
StorageV2 Viper XIcon HD X551
16 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. V2 Viper X

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

2. Icon HD X551

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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 X

    3150 mAh

    +1050 mAh versus Icon HD X551

  2. 2. Icon HD X551

    2100 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 X2. Icon HD X551

Everyday essentials
Everyday essentials — specifications for V2 Viper X, Icon HD X551.
SpecificationV2 Viper XIcon HD X551
Dimensions (HxWxD)
  • 154 Х 77 Х 7.2 mm
  • 153.2 Х 79 Х 8.2 mm
Weight
  • 155.3 g
  • 115 g
Technology
  • Super AMOLED
  • IPS LCD
Screen size
  • 5.5" inch
  • 5.5" inch
Screen resolution
  • 720 x 1280 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 1 GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3150 mAh
  • Removable Li-Po
  • 2100 mAh
  • Removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 5.1 (Lollipop)
Chipset
  • Mediatek MT6753 (28 nm)
  • Mediatek MT6580A (28 nm)
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V2 Viper X, Icon HD X551.
SpecificationV2 Viper XIcon HD X551
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 83.4 cm2
  • 83.4 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 70.3%
  • 68.9%
PPI /points per inch/
  • 267 PPI
  • 267 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for V2 Viper X, Icon HD X551.
SpecificationV2 Viper XIcon HD X551
Rear camera, main
  • 13 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • AF
  • f/2.0
  • 8 MP
  • AF
Functions
  • Dual-LED flash
  • HDR
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 5 MP
  • 2 MP
Performance

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

Performance — specifications for V2 Viper X, Icon HD X551.
SpecificationV2 Viper XIcon HD X551
Processor CPU
  • Octa-core 1.3 GHz Cortex-A53
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • Mali-T720MP2
  • Mali-400MP2
Antutu 7 score *
  • 23923
Unknown
General specs
General specs — specifications for V2 Viper X, Icon HD X551.
SpecificationV2 Viper XIcon HD X551
Release date
  • 2015
  • October
  • 2015
  • November
Colors
  • Dark Blue
  • Golden pearl
  • Dark Grey
  • White
  • Gold
  • Rose Gold
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 250 EUR
Unknown
Battery life
  • Stand by time- Up to 393 h (3G) Talking time- Up to 13 h 40 min (3G)
  • Stand by time- Up to 700 h (2G) / Up to 250 h (3G) Talking time- Up to 22 h (2G) / Up to 12 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper X, Icon HD X551.
SpecificationV2 Viper XIcon HD X551
SIM card
  • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM/ Mini-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 1900 / 2100-4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 20(800)
  • 39(1900)
  • 40(2300)
  • 41(2500) - 5007U
  • 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 Direct
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 4.0
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.69 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for V2 Viper X, Icon HD X551.
SpecificationV2 Viper XIcon HD X551
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for V2 Viper X, Icon HD X551.
SpecificationV2 Viper XIcon HD X551
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity
  • compass