Allview V2 Viper Xe vs Celkon A66

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

    A66: 80 g lighter

    V2 Viper Xe:
    178 g
    A66:
    98 g
  • Width

    A66: 9.4 mm narrower

    V2 Viper Xe:
    76.6 mm
    A66:
    67.2 mm
  • Screen diagonal

    A66: 1 in smaller diagonal

    V2 Viper Xe:
    5.5 in
    A66:
    4.5 in
  • Depth

    V2 Viper Xe: 1.8 mm thinner

    V2 Viper Xe:
    9.2 mm
    A66:
    11 mm
  • Height

    A66: 18.4 mm shorter

    V2 Viper Xe:
    154.4 mm
    A66:
    136 mm
  • Release year

    V2 Viper Xe:
    2016
    A66:
    2014

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 Xe

    Height:
    154.4 mm +18.4 mm versus A66
    Width:
    76.6 mm +9.4 mm versus A66
    Depth:
    9.2 mm
  2. 2. A66

    Height:
    136 mm
    Width:
    67.2 mm
    Depth:
    11 mm +1.8 mm versus V2 Viper Xe

Weight

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

  1. 1. V2 Viper Xe

    178 g

    +80 g versus A66

  2. 2. A66

    98 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 Xe

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. A66

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

V2 Viper Xe has approximately 49.4% more rectangular screen area than A66.

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 Xe, A66, compared at the same storage capacity.
StorageV2 Viper XeA66
16 GB 3 GB RAM Unknown
A66: Original memory entry

4 GB · 512 MB 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 Xe

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

2. A66

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 Xe

    3150 mAh

    +1150 mAh versus A66

  2. 2. A66

    2000 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 Xe2. A66

Everyday essentials
Everyday essentials — specifications for V2 Viper Xe, A66.
SpecificationV2 Viper XeA66
Dimensions (HxWxD)
  • 154.4 Х 76.6 Х 9.2 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 178 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 4.5" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 3 GB RAM
  • 4 GB
  • 512 MB 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
  • Non-removable Li-Po
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 6.0 (Marshmallow)
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Mediatek MT6737 (28 nm)
Unknown
NFC
  • Super AMOLED
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for V2 Viper Xe, A66.
SpecificationV2 Viper XeA66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 83.4 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 142 Х 70.5 Х 8.6 mm
  • 61.1%
PPI /points per inch/
  • 267 PPI
  • 218 PPI
Screen protection
  • Corning Gorilla Glass 3
Unknown
Camera and Video
Camera and Video — specifications for V2 Viper Xe, A66.
SpecificationV2 Viper XeA66
Rear camera, main
  • 13 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 13 MP
  • PDAF & laser AF
  • 3.15 MP
Functions
  • Dual-LED flash
  • HDR
  • LED flash
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 8 MP
  • VGA
Performance

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

Performance — specifications for V2 Viper Xe, A66.
SpecificationV2 Viper XeA66
Processor CPU
  • Quad-core 1.45 GHz Cortex-A53
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Mali-T720MP2
Unknown
Antutu 7 score *
  • 29568
Unknown
General specs
General specs — specifications for V2 Viper Xe, A66.
SpecificationV2 Viper XeA66
Release date
  • 2016
  • October
  • 2014
Colors
  • Gold
  • Blue
  • White
  • Black
Battery life
  • Stand by time- Up to 310 h (3G) Talking time- Up to 15 h (3G)
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for V2 Viper Xe, A66.
SpecificationV2 Viper XeA66
SIM card
  • Dual SIM (Micro-SIM/Nano-SIM
  • dual stand-by)
  • Dual SIM
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)
  • 8(900)
  • 20(800)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500) - 5007U
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Music and Audio
Music and Audio — specifications for V2 Viper Xe, A66.
SpecificationV2 Viper XeA66
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for V2 Viper Xe, A66.
SpecificationV2 Viper XeA66
Dop
  • Sensors Accelerometer
  • proximity
  • compass - Acer Liquid Zest Z525 with 3G Acer Liquid Zest 4G Z528 with 3G/LTE
  • Infrared port - Fast battery charging (Pump Express 2.0+) - For metroPCS
  • Sensors Accelerometer
  • proximity